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What is the climate like in San Diego?

The climate of San Diego has an average yearly temperature of 23°C. Throughout the year, the average monthly temperature can drop to 19°C and rise to 26°C.

Annually, about 232 mm of rain falls. This gives a good overview of how much rain to expect in San Diego.

The best time to visit San Diego is January until December. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit San Diego.

Temperature 19 to 26°C
Rain 232 mm

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2 days rain and 2 days heavily cloudy with most of the rain ... more

Joey Junge

The climate of San Diego
  • Average yearly temperature: 23°C
  • Highest temperature: 26°C in August and September
  • Lowest temperature: 19°C in December
  • Rainfall: 232 mm per year, averaging 19 mm by month
  • Driest months: 0,7 mm in June, 5,4 mm in August and 5,9 mm in July
  • Wettest months: 54 mm in December, 44 mm in January and 35 mm in March

Climate table San Diego

The climate table for San Diego shows the average temperatures, rainfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 20 20 20 21 21 22 25 26 26 25 23 19
Nighttime temperature (°C) 11 11 13 15 16 18 20 21 20 18 13 11
Rainfall (mm) 44 29 35 13 12 0,7 5,9 5,4 6,7 6,2 20 54
UV Index 5 6 7 8 8 8 9 8 7 6 6 5
Best month Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Temperature by month in San Diego

This graph shows the average high temperatures in degrees Celsius for each month in San Diego, California

Temperature by month in San Diego, California

Rainfall by month in San Diego

This graph shows the average monthly rainfall in millimeters in San Diego, California.

Rainfall by month in San Diego, California

UV index by month in San Diego

This graph shows the average UV index by month in San Diego, California.

UV index by month in San Diego, California

Yearly temperature in San Diego

This graph shows the average yearly temperature in San Diego, California, measured in degrees Celsius.

Yearly temperature in San Diego, California

Yearly total rainfall in San Diego

This graph shows the average yearly rainfall in millimeters in San Diego, California.

Rainfall per year in San Diego, California

Weather experiences in San Diego

The weather in San Diego is rated 5 out of 5 stars by 1 visitor.

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Weather Experience: Excellent StarStarStarStarStar

2 days rain and 2 days heavily cloudy with most of the rain falling in the evening/night and becoming dry in the morning. Many sunny days with occasional light clouds. Temperatures from 18 to 24 degrees during the day. Evening temperatures averaging 8 - 10 degrees. Was even heat records broken in the month of January.— This text has been automatically translated into English

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Average weather in San Diego by month

Click on a month below to see in detail how the weather typically is in San Diego and what to expect. Based on the historical weather data of San Diego, you can view the average temperature, rainfall, wind, and UV index for each day of the month.