Imperial County, CA Climate

Imperial, CA County has a hot desert climate with an average high of 87°F in the summer and an average low of 55°F in the winter. Precipitation is low, with most areas receiving less than three inches annually. The county experiences hot summers with temperatures reaching over 100°F often. During this time there can be strong winds and dust storms. During the winter months it can get quite chilly at night but generally remains mild during the day. Summer nights are mild as well, making Imperial a great place to visit year round.

Imperial County, California gets 3 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Imperial County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 309 sunny days per year in Imperial County. The US average is 205 sunny days.

Imperial County gets some kind of precipitation, on average, 15 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 107 degrees
Winter Low: the January low is 42
Rain: averages 3 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Imperial County is 7.4 (10=best), which means it is less comfortable than most places in California.

4.5 Summer - 8.9 Winter

March, November and April are the most pleasant months in Imperial County, while August and July are the least comfortable months.

Climate	Imperial, California	United States
	3.2 in.	38.1 in.
	0.0 in.	27.8 in.
	14.8 days	106.2 days
	309 days	205 days
	107.3°	85.8°
	42.3°	21.7°
	7.4	7
	6	4.3
	370 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Imperial County with an average high temperature of 107.3°, which ranks it as one of the hottest places in California. In Imperial County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Imperial County are November, March and February.

In Imperial County, there are 175.4 days annually when the high temperature is over 90°, which is one of the hottest places in California.

December has the coldest nighttime temperatures for Imperial County with an average of 41.3°. This is warmer than most places in California.

In Imperial County, there are 3.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Imperial County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

Humidity in Imperial County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.

December is the wettest month in Imperial County with 0.5 inches of rain, and the driest month is May with 0.0 inches. The wettest season is Spring with 47% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 3.2 inches in Imperial County means that it is one of the driest places in California.

February is the rainiest month in Imperial County with 2.4 days of rain, and June is the driest month with only 0.1 rainy days. There are 14.8 rainy days annually in Imperial County, which is one of the least rainy places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 15% chance of a rainy day.

There is rarely any recorded snowfall in Imperial County, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in Imperial County.

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