Zip 92139 (San Diego, CA) Climate

92139 San Diego, CA enjoys a Mediterranean climate with hot, dry summers and mild winters. Average temperatures range from around 65°F in winter to 75°F in summer. Rainfall is low year-round, typically between 8 and 10 inches annually. The area gets plenty of sun all year round; July brings the longest days, with an average of 14 hours of daylight per day. Winters can be chilly but usually remain mild; frost is rare and coastal fog is more common during this time of the year.

San Diego (zip 92139), California gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

San Diego (zip 92139) 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 San Diego (zip 92139). The US average is 205 sunny days.

San Diego (zip 92139) gets some kind of precipitation, on average, 33 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 83 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 92139 zip code is 9.2 (10=best), which means it is one of the most pleasant places in California.

9.5 Summer - 8.8 Winter

June, October and May are the most pleasant months in the 92139 zip code, while January and February are the least comfortable months.

Climate	San Diego, California	United States
	11.6 in.	38.1 in.
	0.0 in.	27.8 in.
	33.4 days	106.2 days
	263 days	205 days
	82.5°	85.8°
	44.8°	21.7°
	9.2	7
	5.9	4.3
	340 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.

August is the hottest month for the 92139 zip code with an average high temperature of 84.3°, which ranks it as cooler than most places in California. In the 92139 zip code, there are 9 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 92139 zip code are June, October and May.

In the 92139 zip code, there are 26.0 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 92139 zip code with an average of 44.1°. This is warmer than most places in California.

In the 92139 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 92139 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 92139 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 92139 zip code with 2.4 inches of rain, and the driest month is August with 0.0 inches. The wettest season is Spring with 54% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 11.6 inches in the 92139 zip code means that it is drier than most places in California.

February is the rainiest month in the 92139 zip code with 6.1 days of rain, and July is the driest month with only 0.4 rainy days. There are 33.4 rainy days annually in the 92139 zip code, which is less rainy than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

There is rarely any recorded snowfall in the 92139 zip code, ranking it as one of the least snowy places in California. Any measurable snowfall is a rare occurance in the 92139 zip code.

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