San Diego
The tables below display average monthly climate and weather indicators in San Diego California.
Temperature by: Fahrenheit / Centigrade
San Diego Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Avg. Temperature | 14.1 | 14.8 | 15.3 | 16.7 | 17.8 | 19.3 | 21.7 | 22.6 | 21.9 | 19.8 | 16.7 | 14.1 | 17.9 |
Avg. Max Temperature | 18.8 | 19.2 | 19.1 | 20.2 | 20.6 | 22.0 | 24.6 | 25.4 | 25.1 | 23.7 | 21.1 | 18.9 | 21.6 |
Avg. Min Temperature | 9.4 | 10.4 | 11.6 | 13.1 | 15.1 | 16.6 | 18.7 | 19.6 | 18.7 | 16.1 | 12.2 | 9.3 | 14.2 |
Days with Max Temp of 32 C or Higher | 0.0 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | 1.0 | 1.0 | < 0.5 | 0.0 | 2.0 |
Days with Min Temp Below Freezing | < 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
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San Diego Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Heating Degree Days | 245 | 189 | 177 | 113 | 73.0 | 51.0 | 13.0 | 0.0 | 19.0 | 24.0 | 109 | 243 | 1256 |
Cooling Degree Days | 9.0 | 10.0 | 9.0 | 23.0 | 45.0 | 105 | 199 | 240 | 211 | 107 | 19.0 | 7.0 | 984 |
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San Diego Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Precipitation (inches) | 1.8 | 1.5 | 1.8 | 0.8 | 0.2 | 0.1 | 0.0 | 0.1 | 0.2 | 0.4 | 1.5 | 1.6 | 9.9 |
Days with Precipitation 0.01 inch or More | 7.0 | 6.0 | 7.0 | 4.0 | 2.0 | 1.0 | < 0.05 | 0.0 | 1.0 | 2.0 | 4.0 | 6.0 | 42.0 |
Monthly Snowfall (inches) | < 0.05 | 0.0 | < 0.05 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | < 0.05 | < 0.05 | < 0.05 |
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Other San Diego Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
Average Wind Speed | 6.0 | 6.6 | 7.5 | 7.8 | 7.9 | 7.8 | 7.5 | 7.4 | 7.1 | 6.5 | 5.9 | 5.6 | 7.0 |
Clear Days | 12.0 | 10.0 | 11.0 | 10.0 | 8.0 | 9.0 | 13.0 | 15.0 | 15.0 | 14.0 | 15.0 | 14.0 | 146 |
Partly Cloudy Days | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 12.0 | 10.0 | 10.0 | 8.0 | 8.0 | 117 |
Cloudy Days | 11.0 | 10.0 | 11.0 | 10.0 | 11.0 | 9.0 | 5.0 | 4.0 | 6.0 | 8.0 | 7.0 | 10.0 | 102 |
Percent of Possible Sunshine | 72.0 | 71.0 | 70.0 | 68.0 | 59.0 | 58.0 | 68.0 | 70.0 | 69.0 | 68.0 | 75.0 | 73.0 | 68.0 |
Avg. Relative Humidity | 55.0 | 66.0 | 67.5 | 67.5 | 68.5 | 73.0 | 74.5 | 74.5 | 73.5 | 71.5 | 68.5 | 66.0 | 68.0 |
Weather information for other cities in California