Monthly weather forecast and climate
Imperial, CA

Weather in January

January in Imperial, California, is a pleasant winter month, with average temperature ranging between min 49.8°F (9.9°C) and max 68.5°F (20.3°C). In January, the average high-temperature is relatively the same as in December - an agreeable 68.5°F (20.3°C). Weather in January »

Weather in February

The last month of the winter, February, is another pleasant month in Imperial, California, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 72.1°F (22.3°C). In February, the average high-temperature is essentially the same as in January - a still pleasant 72.1°F (22.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a warm month in Imperial, California, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 79.2°F (26.2°C). In Imperial, the average high-temperature marginally rises, from an agreeable 72.1°F (22.3°C) in February, to a warm 79.2°F (26.2°C). Weather in March »

Weather in April

April, like March, in Imperial, California, is another warm spring month, with average temperature varying between 60.8°F (16°C) and 85.6°F (29.8°C). In April, the average high-temperature slightly increases, from 79.2°F (26.2°C) in March, to a still warm 85.6°F (29.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a hot month in Imperial, California, with temperature in the range of an average high of 92.3°F (33.5°C) and an average low of 66.6°F (19.2°C). In May, the average high-temperature marginally rises, 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 sweltering month, with average temperature fluctuating between 103.1°F (39.5°C) and 75.4°F (24.1°C). In June, the average high-temperature increases, from a tropical 92.3°F (33.5°C) in May, to a torrid 103.1°F (39.5°C). Weather in June »

Weather in July

July in Imperial, California, is a scorching summer month, with average temperature fluctuating between 83.5°F (28.6°C) and 106.7°F (41.5°C). With an average high-temperature of 106.7°F (41.5°C) and an average low-temperature of 83.5°F (28.6°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer, in Imperial, is another extremely hot month, with average temperature varying between 106.2°F (41.2°C) and 85.5°F (29.7°C). In August, the average high-temperature is relatively the same as in July - an extremely hot 106.2°F (41.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a torrid month in Imperial, California, with average temperature varying between 99.1°F (37.3°C) and 79.9°F (26.6°C). In September, the average high-temperature marginally drops, from a blistering 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 average temperature fluctuating between 87.6°F (30.9°C) and 68.7°F (20.4°C). In Imperial, the average high-temperature decreases, from a very hot 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 temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 58.1°F (14.5°C). In Imperial, California, the average high-temperature drops, from a hot 87.6°F (30.9°C) in October, to a moderately hot 76.5°F (24.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Imperial, California, with average temperature fluctuating between 50°F (10°C) and 66.4°F (19.1°C). The coldest month is December, with an average high-temperature of 66.4°F (19.1°C) and an average low-temperature of 50°F (10°C). Weather in December »
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FAQ

How much does it rain in Imperial?

Throughout the year, in Imperial, California, there are 13.1 rainfall days, and 0.63" (16mm) of precipitation is accumulated.

What is the rainiest month in Imperial?

Months with the most rainfall in Imperial, California, are March, April, July through September and December, with an average 0.08" (2mm) of precipitation.

What is the driest month in Imperial?

In Imperial, California, rain does not fall in May and June.

What is the least humid month in Imperial?

June is the least humid month in Imperial, California, with an average relative humidity of 21%.

When are the longest days in Imperial?

The month with the longest days in Imperial, California, is June, with an average of 14.3h of daylight.

What month has the most sunshine in Imperial?

June has the most sunshine of the year in Imperial, with an average of 12.2h of sunshine.

What is the warmest month in Imperial?

With an average high-temperature of 106.7°F (41.5°C) and an average low-temperature of 83.5°F (28.6°C), July is the warmest month in Imperial.

When does it rain in Imperial?

Months with rainfall are January through April, July through December.

What are the months with the highest UV index in Imperial?

Months with the highest UV index in Imperial, California, are July and August, with an average maximum UV index of 9.

What is the coldest month in Imperial?

The coldest month in Imperial, California, is December, with an average high-temperature of 66.4°F (19.1°C) and an average low-temperature of 50°F (10°C).

What is the most humid month in Imperial?

With an average relative humidity of 40%, December is the most humid month.

What is the month with the shortest days in Imperial?

The month with the shortest days in Imperial is December, with an average of 10h of daylight.

What is the month with the least sunshine in Imperial?

The month with the least sunshine in Imperial is December, with an average of 7.1h of sunshine.

When is the lowest UV index in Imperial?

The month with the lowest UV index is December, with an average maximum UV index of 4.

Average temperature
Imperial, CA

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).

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Average pressure
Imperial, CA

Average pressure - Imperial, CA

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.78").

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Average wind speed
Imperial, CA

Average wind speed - Imperial, CA

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).

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Average rainfall
Imperial, CA

Average rainfall - Imperial, CA

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").

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Average rainfall days
Imperial, CA

Average rainfall days - Imperial, CA

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).

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Average daylight / Average sunshine
Imperial, CA

Average daylight / Average sunshine - Imperial, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days
Imperial, CA

Average sunshine days - Imperial, CA

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is August (25.8 days).

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Average visibility
Imperial, CA

Average visibility - Imperial, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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