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Contents
- 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
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in West Pasco, Washington, with an average temperature fluctuating between 39°F (3.9°C) and 28.8°F (-1.8°C). West Pasco's transition from December to January introduces an average high-temperature of a still icy 39°F (3.9°C), marking an insignificant variation from the 38.3°F (3.5°C). Weather in January »
Weather in February
February, the last month of the winter in West Pasco, is a chilly month, with an average temperature ranging between min 32.5°F (0.3°C) and max 45.1°F (7.3°C). February comes with a subtle rise, with the average high-temperature adjusting from an icy 39°F (3.9°C) in January to a frosty 45.1°F (7.3°C). Weather in February »
Weather in March
March, the first month of the spring in West Pasco, is a fresh month, with an average temperature fluctuating between 38.3°F (3.5°C) and 54.1°F (12.3°C). West Pasco sees an increase in the average high-temperature with the arrival of March, moving from February's chilly 45.1°F (7.3°C) to a fresh 54.1°F (12.3°C). Weather in March »
Weather in April
April is a refreshing spring month in West Pasco, Washington, with an average temperature ranging between max 63.1°F (17.3°C) and min 43.3°F (6.3°C). With the onset of April, West Pasco sees a temperature rise, with the average high-temperature moving from March's fresh 54.1°F (12.3°C) to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in West Pasco, is an agreeable month, with an average temperature varying between 50.5°F (10.3°C) and 73°F (22.8°C). May sees a rise in the average high-temperature, climbing from a comfortable 63.1°F (17.3°C) in April to an agreeable 73°F (22.8°C). Weather in May »
Weather in June
June, the first month of the summer in West Pasco, is a moderately hot month, with an average temperature fluctuating between 55.9°F (13.3°C) and 80.1°F (26.7°C). June's onset brings a minor rise in the average high-temperature, moving from a pleasant 73°F (22.8°C) in May to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July is a tropical summer month in West Pasco, Washington, with an average temperature ranging between min 62.6°F (17°C) and max 90.1°F (32.3°C). With average high and low temperatures of 90.1°F (32.3°C) and 62.6°F (17°C) respectively, July is West Pasco's warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in West Pasco, Washington, with an average temperature ranging between min 64°F (17.8°C) and max 89.2°F (31.8°C). The commencement of August introduces an average high-temperature of a still tropical 89.2°F (31.8°C), closely mirroring the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in West Pasco, is also a moderately hot month, with an average temperature varying between 57°F (13.9°C) and 77.9°F (25.5°C). West Pasco's transition into September involves a shift in temperature, receding from a hot 89.2°F (31.8°C) in August to a moderately hot 77.9°F (25.5°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in West Pasco, Washington, with an average temperature fluctuating between 62.6°F (17°C) and 46.8°F (8.2°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's moderately hot 77.9°F (25.5°C) to a comfortable 62.6°F (17°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in West Pasco, Washington, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 48.9°F (9.4°C). Transition into November marks a drop in the average high-temperature, moving from a comfortable 62.6°F (17°C) in October to a frosty 48.9°F (9.4°C). Weather in November »
Weather in December
December, the first month of the winter in West Pasco, is still a cold month, with an average temperature fluctuating between 38.3°F (3.5°C) and 27.9°F (-2.3°C). In West Pasco, the lowest average temperatures are observed in December, with a high of 38.3°F (3.5°C) and a low of 27.9°F (-2.3°C). Weather in December »
Updated: Jun 11, 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
What is the most humid month?
With an average relative humidity of 80%, January is the most humid month.
How much does it rain?
In West Pasco, during the entire year, the rain falls for 102.8 days and collects up to 7.32" (186mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How many days does it snow?
In West Pasco, during the entire year, snow falls for 9.7 days and aggregates up to 5.2" (132mm) of snow.
What is the month with the least sunshine?
With an average of 5.4h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 2.7 days and accumulates 2.2" (56mm) of snow.
What is the wettest month?
The wettest months are March and December, with an average 0.94" (24mm) of rainfall.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
When it does not snow in West Pasco?
In West Pasco, snow does not fall in April through October.
When are the longest days?
With an average of 15h and 42min of daylight, June has the longest days of the year.
What is the warmest month?
West Pasco's July weather, marked by an average high temperature of 90.1°F (32.3°C) and an average low temperature of 62.6°F (17°C), is the warmest in the year.
What is the least humid month?
July is the least humid month, with an average relative humidity of 35%.
What is the driest month?
July is the month with the least rainfall in West Pasco. Rain falls for 3.5 days and accumulates 0.2" (5mm) of precipitation.
What month has the most sunshine?
With an average of 12.1h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 7.
What is the coldest time of year?
West Pasco experiences its lowest temperatures in December, with an average peak of 38.3°F (3.5°C) and a low of 27.9°F (-2.3°C).
What is the month with the shortest days?
December has the shortest days of the year in West Pasco, with an average of 8h and 42min of daylight.
Average temperature
West Pasco, WA
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure
West Pasco, WA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
West Pasco, WA
- Average wind speed in January:
6.3mph - Average wind speed in February:
7mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.4mph - Average wind speed in September:
6.7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
6.8mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity
West Pasco, WA
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall
West Pasco, WA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.87" - Average rainfall in March:
0.94" - Average rainfall in April:
0.55" - Average rainfall in May:
0.67" - Average rainfall in June:
0.47"
- Average rainfall in July:
0.2" - Average rainfall in August:
0.24" - Average rainfall in September:
0.24" - Average rainfall in October:
0.67" - Average rainfall in November:
0.63" - Average rainfall in December:
0.94"
The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days
West Pasco, WA
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
10.1 days - Average rainfall days in May:
8.9 days - Average rainfall days in June:
7.2 days
- Average rainfall days in July:
3.5 days - Average rainfall days in August:
3.8 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).
Average snowfall
West Pasco, WA
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
West Pasco, WA
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
0.8 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:
0.8 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
West Pasco, WA
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days
West Pasco, WA
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
17.9 days - Average sunshine days in May:
19.8 days - Average sunshine days in June:
20.9 days
- Average sunshine days in July:
25.7 days - Average sunshine days in August:
24.6 days - Average sunshine days in September:
24 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
16.7 days - Average sunshine days in December:
16 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).
Average UV index
West Pasco, WA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
West Pasco, WA
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
West Pasco, WA
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 Pasco, Washington, USA
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