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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Imperial, California, is a pleasant winter month, with an average temperature fluctuating between 49.8°F (9.9°C) and 68.5°F (20.3°C). As Imperial welcomes January, the average high-temperature stabilizes at an agreeable 68.5°F (20.3°C), showing little deviation from December's 66.4°F (19.1°C). Weather in January »
Weather in February
The last month of the winter, February, is another pleasant month in Imperial, California, with an average temperature varying between 52°F (11.1°C) and 72.1°F (22.3°C). Entering February, Imperial's average high-temperature reads a still agreeable 72.1°F (22.3°C), indicating a close resemblance to the previous month's climate. Weather in February »
Weather in March
March, the first month of the spring in Imperial, is a moderately hot month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 56.7°F (13.7°C). The beginning of March signals a minor rise in the average high-temperature, moving from an agreeable 72.1°F (22.3°C) in February to a moderately hot 79.2°F (26.2°C). Weather in March »
Weather in April
April, like March, in Imperial, California, is a moderately hot spring month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 60.8°F (16°C). Imperial perceives a slight temperature ascent during April, with average high-temperatures adjusting from a moderately hot 79.2°F (26.2°C) in March to a still warm 85.6°F (29.8°C). Weather in April »
Weather in May
May, the last month of the spring in Imperial, is a hot month, with an average temperature ranging between max 92.3°F (33.5°C) and min 66.6°F (19.2°C). Imperial's weather in May presents a minor rise in the average high-temperature, moving from a moderately hot 85.6°F (29.8°C) in April to a hot 92.3°F (33.5°C). Weather in May »
Weather in June
June, the first month of the summer in Imperial, is a fiery hot month, with an average temperature fluctuating between 75.4°F (24.1°C) and 103.1°F (39.5°C). June brings a rise in Imperial's average high-temperature, moving from a hot 92.3°F (33.5°C) in May to a very hot 103.1°F (39.5°C). Weather in June »
Weather in July
July in Imperial, California, is an extremely hot summer month, with an average temperature fluctuating between 106.7°F (41.5°C) and 83.5°F (28.6°C). Temperature readings reach their annual highs in July, averaging 106.7°F (41.5°C) and a minimum average of 83.5°F (28.6°C). The average relative humidity in July is 25%. Weather in July »
Weather in August
August, the last month of the summer in Imperial, is another extremely hot month, with an average temperature fluctuating between 85.5°F (29.7°C) and 106.2°F (41.2°C). Imperial's weather, upon August's arrival, documents an average high-temperature of a still blisteringly hot 106.2°F (41.2°C), nearly identical to the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is still a very hot month in Imperial, California, with temperature in the range of an average high of 99.1°F (37.3°C) and an average low of 79.9°F (26.6°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from an extremely hot 106.2°F (41.2°C) in August to a very hot 99.1°F (37.3°C). Weather in September »
Weather in October
October, like September, is another tropical autumn month in Imperial, California, with an average temperature fluctuating between 87.6°F (30.9°C) and 68.7°F (20.4°C). October's onset corresponds with a shift in the average high-temperature, moving from a torrid 99.1°F (37.3°C) in September to a tropical 87.6°F (30.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Imperial, is also a moderately hot month, with an average temperature ranging between max 76.5°F (24.7°C) and min 58.1°F (14.5°C). Imperial's November weather comes with a decrease in average high-temperatures, moving from a tropical 87.6°F (30.9°C) in October to a warm 76.5°F (24.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Imperial, California, with an average temperature ranging between min 50°F (10°C) and max 66.4°F (19.1°C). Imperial's coldest temperatures are experienced in December, with average high temperatures of 66.4°F (19.1°C) and lows of 50°F (10°C). Weather in December »
Updated: Jul 12, 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 many days does it rain?
Throughout the year, there are 13.1 rainfall days, and 0.63" (16mm) of precipitation is accumulated.
What is the wettest month?
The months with the most rainfall are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.
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.
What is the driest month?
May and June are months without rainfall.
What is the least humid month?
June is the least humid month, with an average relative humidity of 21%.
When are the longest days?
With an average of 14h and 18min of daylight, June has the longest days of the year.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 12.2h of sunshine.
What part of the year is the hottest?
July brings the highest temperatures, with an average high of 106.7°F (41.5°C) and an average low of 83.5°F (28.6°C).
When does it rain?
January through April, July through December are months with rainfall.
What are the months with the highest UV index in Imperial?
The months with the highest UV index are July and August, with an average maximum UV index of 9.
What are the coldest months?
December, known for its average high temperature of 66.4°F (19.1°C) and an average low temperature of 50°F (10°C), is the coldest month.
What is the most humid month?
With an average relative humidity of 40%, December is the most humid month in Imperial.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 0min of daylight.
What is the month with the least sunshine?
The month with the least sunshine in Imperial is December, with an average of 7.1h of sunshine.
What is the month with the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 4.
Average temperature
Imperial, CA
The warmest month (with the highest average high temperature) is July (106.7°F).
The month with the lowest average high temperature is December (66.4°F).
The month with the highest average low temperature is August (85.5°F).
The coldest month (with the lowest average low temperature) is January (49.8°F).
Average pressure
Imperial, CA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
29.97"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.83"Hg - Average pressure in June:
29.78"Hg
- Average pressure in July:
29.82"Hg - Average pressure in August:
29.8"Hg - Average pressure in September:
29.81"Hg - Average pressure in October:
29.89"Hg - Average pressure in November:
29.99"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed
Imperial, CA
- Average wind speed in January:
5.2mph - Average wind speed in February:
5.9mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7.6mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.1mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.4mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity
Imperial, CA
The month with the highest relative humidity is December (40%).
The month with the lowest relative humidity is June (21%).
Average rainfall
Imperial, CA
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.04" - Average rainfall in November:
0.04" - Average rainfall in December:
0.08"
The wettest months (with the highest rainfall) are March, April, July, August, September and December (0.08").
The driest months (with the least rainfall) are May and June (0").
Average rainfall days
Imperial, CA
- Average rainfall days in January:
1.3 days - Average rainfall days in February:
1 days - Average rainfall days in March:
1 days - Average rainfall days in April:
0.8 days - Average rainfall days in May:
0.3 days - Average rainfall days in June:
0.6 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
1.9 days - Average rainfall days in October:
0.4 days - Average rainfall days in November:
0.5 days - Average rainfall days in December:
1 days
The month with the highest number of rainy days is July (2.8 days).
The month with the least rainy days is May (0.3 days).
Average daylight / Average sunshine
Imperial, CA
- Average daylight in January:
10h and 2min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - 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 3min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
9h and 1min - Average sunshine in April:
11h and 4min - Average sunshine in May:
12h and 1min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 1min - Average sunshine in September:
10h and 1min - Average sunshine in October:
9h and 5min - Average sunshine in November:
7h and 3min - Average sunshine in December:
7h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Imperial, CA
- Average sunshine days in January:
29.7 days - Average sunshine days in February:
26.9 days - Average sunshine days in March:
29.9 days - Average sunshine days in April:
29.3 days - Average sunshine days in May:
30.4 days - Average sunshine days in June:
29.3 days
- Average sunshine days in July:
26.3 days - Average sunshine days in August:
25.8 days - Average sunshine days in September:
26.6 days - Average sunshine days in October:
30.1 days - Average sunshine days in November:
29.2 days - Average sunshine days in December:
29.8 days
The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).
Average UV index
Imperial, CA
The months with the highest UV index are July and August (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Imperial, CA
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility
Imperial, 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).
Imperial, California, USA
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