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 | 57.4 | 58.6 | 59.6 | 62.0 | 64.1 | 66.8 | 71.0 | 72.6 | 71.4 | 67.7 | 62.0 | 57.4 | 64.2 |
| Avg. Max Temperature | 65.9 | 66.5 | 66.3 | 68.4 | 69.1 | 71.6 | 76.2 | 77.8 | 77.1 | 74.6 | 69.9 | 66.1 | 70.8 |
| Avg. Min Temperature | 48.9 | 50.7 | 52.8 | 55.6 | 59.1 | 61.9 | 65.7 | 67.3 | 65.6 | 60.9 | 53.9 | 48.8 | 57.6 |
| Days with Max Temp of 90 F 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