San Diego County, CA Weather


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The most pleasant months of the year for San Diego County are June, October and July. In San Diego County, there are 8 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for San Diego County with an average high temperature of 82.8°, which ranks it as cooler than most places in California. February is the snowiest month in San Diego County with 0.4 inches of snow, and no months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - San Diego, CA

2 AM PST

Cloudy

50°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
OvernightCloudy48° / 64°SW 5 to 10 mph
Saturday NightMostly Clear47° / 71°NE 0 to 10 mph
Sunday NightMostly Clear51° / 73°SE 0 to 10 mph
Monday NightMostly Clear52° / 73°S 0 to 10 mph
Tuesday NightMostly Clear50° / 71°SW 5 to 10 mph
Wednesday NightMostly Clear52° / 76°S 5 to 10 mph
Thursday NightMostly Clear54° / 78°E 5 to 15 mph

Weather Highlights

Summer High: the July high is around 81 degrees
Winter Low: the January low is 43
Rain: averages 14 inches of rain a year
Snow: averages 1 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the San Diego County area is 9.3 (10=best), which means it is more comfortable than most places in California.

9.3 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January66° 43°
February66° 45°
March67° 47°
April70° 50°
May73° 54°
June77° 58°
July81° 62°
August83° 63°
September81° 60°
October76° 55°
November71° 48°
December65° 43°
Hot, Freezing, Rainy, Snowy Days: San Diego
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January0360
February0270
March0260
April1140
May1020
June2010
July5010
August7010
September6010
October2030
November0240
December0360

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.

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