Expand
Contents
- The climate of West Covina
- The best time to visit West Covina
- The worst time to visit West Covina
- Spring weather in West Covina
- Summer weather in West Covina
- Autumn weather in West Covina
- Winter weather in West Covina
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of West Covina
The climate in West Covina, California, a city situated in the heart of Southern California, falls under the Csb classification, according to the Köppen climate system. This Climate classification reveals a Mediterranean, warm summer climate for the city which is generally characterized by mild winters and dry, warm summers.
Throughout the year, West Covina sees a significant variation in temperatures, beginning from a low January temperature average of 48.4°F (9.1°C) up to an average summer high of 88.9°F (31.6°C) in the peak of July. Rainfall in West Covina exhibits an inversely proportional characteristic in relation to the temperatures with the highest recorded rainfall of 1.73" (44mm) in December and a striking decline during the summer months hitting a low in June with only 0.04" (1mm) of rainfall.
Humidity in West Covina also fluctuates throughout the year, going from 46% in November to 57% in May and June, indicating a relatively dry climate. The city’s dry reference is further reinforced by the number of sunshine hours per day that increases from 6.9 hours in winter months to a maximum of 12.1 hours per day during the month of July.
The city experiences little to no snowfall at all, making it a perfect spot for warmth seekers especially during the winter months. From a weather standpoint, West Covina stands out for its warm and dry climate with moderate levels of humidity, having the dominance of sunny days throughout the year.
Throughout the year, West Covina sees a significant variation in temperatures, beginning from a low January temperature average of 48.4°F (9.1°C) up to an average summer high of 88.9°F (31.6°C) in the peak of July. Rainfall in West Covina exhibits an inversely proportional characteristic in relation to the temperatures with the highest recorded rainfall of 1.73" (44mm) in December and a striking decline during the summer months hitting a low in June with only 0.04" (1mm) of rainfall.
Humidity in West Covina also fluctuates throughout the year, going from 46% in November to 57% in May and June, indicating a relatively dry climate. The city’s dry reference is further reinforced by the number of sunshine hours per day that increases from 6.9 hours in winter months to a maximum of 12.1 hours per day during the month of July.
The city experiences little to no snowfall at all, making it a perfect spot for warmth seekers especially during the winter months. From a weather standpoint, West Covina stands out for its warm and dry climate with moderate levels of humidity, having the dominance of sunny days throughout the year.
The best time to visit West Covina
The best time to visit West Covina predominantly depends on what one seeks. For rainfall enthusiasts, the months from November to March offers considerable rainfall whereas, for sun lovers, the summer months ranging from May to October present the city in full bloom, offering more sunlight with average sunshine hours peaking to 12.1 hours in July.
For those aiming to escape the cold, visiting during the winter season is ideal as the temperatures remain mild and snowfall is almost non-existent. Simultaneously, for travelers preferring cooler weather, the best time to visit would be during the transition seasons of spring and autumn when temperatures are more moderate.
For those aiming to escape the cold, visiting during the winter season is ideal as the temperatures remain mild and snowfall is almost non-existent. Simultaneously, for travelers preferring cooler weather, the best time to visit would be during the transition seasons of spring and autumn when temperatures are more moderate.
The worst time to visit West Covina
Without extreme weather occurrences, West Covina does not precisely have a 'worst' time to visit. However, for individuals who dislike excessive heat, the peak summer months from July to August might be quite uncomfortable as temperatures can reach up to 88.9°F (31.6°C).
Furthermore, if the traveling purpose is to avoid rainfall completely, the winter season, from December to March, is not an ideal time as it’s the period with the highest average rainfall.
Furthermore, if the traveling purpose is to avoid rainfall completely, the winter season, from December to March, is not an ideal time as it’s the period with the highest average rainfall.
Spring weather in West Covina
Spring in West Covina offers a pleasant respite from the cool temperatures of winter. The average high temperatures increase from 68.9°F (20.5°C) in March, going up to 75.7°F (24.3°C) in May. Low temperatures follow a similar trend, starting at 48.7°F (9.3°C) in March and warming up to 54.1°F (12.3°C) in May. The weather remains relatively dry, with rainfall reducing gradually from 0.91" (23mm) in March to 0.2" (5mm) in May. The city also enjoys increased sunshine hours, from 8.9 hours per day in March to 11.6 hours per day in May, signaling the onset of the longer summer days.
Summer weather in West Covina
In West Covina, summer offers an extended span of warm, dry, and sunny conditions. June initiates the summer with average high temperatures at 81.7°F (27.6°C), and average lows at 57.9°F (14.4°C). The peak of the season is in July and August when average high temperatures exceed 85°F (29.4°C). Rainfall is at its minimum, and the city receives maximum sunshine hours approximating 12 hours per day. This season provides an ideal backdrop for outdoor recreational activities, and the city genuinely excels in its summer display.
Autumn weather in West Covina
Autumn in West Covina ushers in gradually cooler temperatures, with a high of 85.8°F (29.9°C) in September dropping to an average of 71.6°F (22°C) in November. The average low temperature also experiences a similar decline, from 63.5°F (17.5°C) in September down to 53.2°F (11.8°C) in November. As autumn progresses, rainfall shows a mild rise from 0.12" (3mm) in September to 0.67" (17mm) by November. The autumn season enjoys a substantial amount of daylight hours, making it an enjoyable time for outdoor explorations.
Winter weather in West Covina
Winter in West Covina is characterized by milder temperatures compared to many other parts of the United States. The average high temperature in December remains comfortably around 63.5°F (17.5°C) degree, declining to 66.2°F (19°C) in January and then slightly bouncing back to 65.5°F (18.6°C) in February. Simultaneously, low temperatures average between 48.4°F (9.1°C) and 47.3°F (8.5°C). Winter months witness the most rainfall, with a peak of 1.73" (44mm) in December. Despite this, the city still boasts an average of 6.9 hours of sunshine daily during December, affirming West Covina as a desirable winter getaway for those seeking a warmer climate.
Weather in January
January sees temperature variations ranging from 66.2°F (19°C) to 48.4°F (9.1°C) in West Covina, California, which makes the weather quite pleasant. The start of the year brings with it lower daylight hours, making the days relatively short. Weather in January »
Weather in February
The weather in February exhibits a continuation of January's trend with temperature fluctuations in a similar range as January. This month shares its predilection for rainfall with its predecessor, keeping the climate crisp and refreshing, despite the humidity level going up a notch. Weather in February »
Weather in March
The trend of increasing temperatures persists in March, signaling the onset of spring in West Covina, California. The month sees a drop in rainfall compared to February, indicating the end of the rainy season and the arrival of the pleasant spring period. Weather in March »
Weather in April
As the fourth month of the year sets in, the temperature range is from 73°F (22.8°C) to 51.3°F (10.7°C), indicating a milder climate in West Covina. The introduction of even more sunshine hours coupled with fewer rainfall days indicates that West Covina is transitioning into the drier months of spring and prepares for the approaching summer season. Weather in April »
Weather in May
The temperatures begin a climb towards the peak summer levels in May. Showcasing one of the lowest rainfall days and rainfall amount, May stands out as a comparatively dry month in West Covina. Along with this, an uptick in daylight hours showcases a clear transition towards West Covina's summer months. Weather in May »
Weather in June
A temperature spectrum from 81.7°F (27.6°C) to 57.9°F (14.4°C) in June confirms the arrival of summer weather in West Covina. With one of the longest daylight hours and the least amount of cloud cover, the skies remain mostly clear throughout June. Weather in June »
Weather in July
The most heated month in West Covina, July sees temperatures soaring from 86.9°F (30.5°C) to 63.7°F (17.6°C). The area experiences the true summer heat, courtesy of the maximum sunshine hours. This increased exposure to sunlight enhances the UV index for the month, necessitating precautions against prolonged sun exposure. Weather in July »
Weather in August
August welcomes citizens with temperatures moderately high, ranging from 88.9°F (31.6°C) to 64.9°F (18.3°C). Though the temperatures remain high, the city continues to enjoy clear skies with the least cloud cover. The consistent weather adds to the predictability of August's heat allowing residents to plan accordingly. Weather in August »
Weather in September
September signifies the beginning of a cooling trend in West Covina. The searing heat of summer transitions into a milder climate. With declining temperatures and an increase in cloud cover, the clear summer skies give way to cloudier autumn days. Weather in September »
Weather in October
October provides relief from the summer's heat with temperatures fluctuating from 79.5°F (26.4°C) to 59.2°F (15.1°C). Despite the reduction in temperatures compared to September, the daylight hours continue to decrease, making way for longer nights typical of autumn. Weather in October »
Weather in November
November marks the onset of winter in West Covina, characterized by lower temperatures, shorter daylight hours, and an uptick in rainfall days from 0.2" (5mm) to 0.67" (17mm). The crisp autumn air makes way for the mild chill of the winter season. Weather in November »
Weather in December
December captures the peak of winter in West Covina with temperatures dropping to a range from 63.5°F (17.5°C) to 47.3°F (8.5°C). The decrease in temperature complements the festive season, giving West Covina a chilly end of the year. Weather in December »
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain in West Covina?
Throughout the year, there are 49.8 rainfall days, and 7.76" (197mm) of precipitation is accumulated.
When it does not snow in West Covina?
In West Covina, California, snow does not fall in January through November.
How many days does it snow in West Covina?
In West Covina, California, during the entire year, snow falls for 0.1 days.
What are the months with the lowest UV index in West Covina?
The months with the lowest UV index in West Covina are January, February, November and December, with an average maximum UV index of 4.
What are the months with the least sunshine in West Covina?
February and December, with an average of 6.9h of sunshine, are months with the least sunshine.
When is Daylight Saving Time (DST) in West Covina?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Covina, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What are the most humid months in West Covina?
The months with the highest humidity are May and June, with an average relative humidity of 57%.
What is the driest month in West Covina?
The month with the least rainfall in West Covina is June, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days in West Covina?
June has the longest days of the year in West Covina, with an average of 14h and 24min of daylight.
What month has the most sunshine in West Covina?
With an average of 12.1h of sunshine, July has the most sunshine of the year.
What is the warmest month in West Covina?
West Covina's warmest temperatures are experienced in August, with average high temperatures of 88.9°F (31.6°C) and lows of 64.9°F (18.3°C).
What is the month with the highest UV index in West Covina?
The month with the highest UV index in West Covina, California, is August, with an average maximum UV index of 7.
What is the least humid month in West Covina?
November is the least humid month in West Covina, California, with an average relative humidity of 46%.
What time of the year is the coldest in West Covina?
Temperature records in West Covina, California, mark December as the coldest month, with highs averaging 63.5°F (17.5°C) and lows at 47.3°F (8.5°C).
What is the wettest month in West Covina?
December is the month with the most rainfall in West Covina. Rain falls for 5.9 days and accumulates 1.73" (44mm) of precipitation.
When does it snow in West Covina?
The only month with snowfall is December.
When does it snow the most in West Covina?
The month with the most snowfall days is December, when snow falls for 0.1 days.
What is the month with the shortest days in West Covina?
With an average of 9h and 54min of daylight, December has the shortest days of the year in West Covina, California.
Average temperature
West Covina, CA
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is December (63.5°F).
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).
Average pressure
West Covina, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
West Covina, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
4.9mph - Average wind speed in March:
5.1mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.1mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity
West Covina, CA
The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).
Average rainfall
West Covina, CA
- Average rainfall in January:
1.34" - Average rainfall in February:
1.69" - Average rainfall in March:
0.91" - Average rainfall in April:
0.63" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.2" - Average rainfall in November:
0.67" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
West Covina, CA
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
5.7 days - Average rainfall days in May:
3.7 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.3 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days
West Covina, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
West Covina, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 4min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days
West Covina, CA
- Average sunshine days in January:
24.7 days - Average sunshine days in February:
21.6 days - Average sunshine days in March:
23.5 days - Average sunshine days in April:
23.2 days - Average sunshine days in May:
26 days - Average sunshine days in June:
28 days
- Average sunshine days in July:
25.5 days - Average sunshine days in August:
27.2 days - Average sunshine days in September:
25.7 days - Average sunshine days in October:
26.4 days - Average sunshine days in November:
25.1 days - Average sunshine days in December:
23.9 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index
West Covina, CA
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
West Covina, CA
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
West Covina, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
West Covina, California, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location