Zip 91942 (La Mesa, CA) Climate

La Mesa, CA 91942 has a warm Mediterranean climate, with hot summers and mild winters. The average temperatures in the summer range from the mid-60s to the low 80s, while winter temperatures usually stay between the high 40s and low 60s. Precipitation is low year-round compared to other parts of California, with an average of about 10 inches annually. La Mesa generally experiences little to no snowfall each winter, and its humidity levels are moderate throughout the year.

La Mesa (zip 91942), California gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

La Mesa (zip 91942) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 263 sunny days per year in La Mesa (zip 91942). The US average is 205 sunny days.

La Mesa (zip 91942) gets some kind of precipitation, on average, 37 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 84 degrees
Winter Low: the January low is 45
Rain: averages 12 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 91942 zip code is 9.2 (10=best), which means it is one of the most pleasant places in California.

9.6 Summer - 8.7 Winter

June, May and October are the most pleasant months in the 91942 zip code, while December and January are the least comfortable months.

Climate	La Mesa, California	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	263 days	Unlock
	83.9°	85.8°
	Unlock	21.7°
	9.2	Unlock
	Unlock	4.3
	581 ft.	Unlock

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.

August is the hottest month for the 91942 zip code with an average high temperature of 85.6°, which ranks it as cooler than most places in California. In the 91942 zip code, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 91942 zip code are June, October and May.

In the 91942 zip code, there are 28.6 days annually when the high temperature is over 90°, which is cooler than most places in California.

December has the coldest nighttime temperatures for the 91942 zip code with an average of 43.8°. This is warmer than most places in California.

In the 91942 zip code, there are 1.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In the 91942 zip code, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

The humidity is usually comfortable in the 91942 zip code but some summer days can be muggy. August is the most humid month, though it is still relatively mild compared to many other places. The most humid months are August, July and September.

February is the wettest month in the 91942 zip code with 2.5 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 53% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 12.1 inches in the 91942 zip code means that it is drier than most places in California.

February is the rainiest month in the 91942 zip code with 6.3 days of rain, and August is the driest month with only 0.4 rainy days. There are 36.9 rainy days annually in the 91942 zip code, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 5% chance of a rainy day.

There is rarely any recorded snowfall in the 91942 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 91942 zip code.

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