Climate of San Diego, California, USA
Point-value climate at San Diego (California, United States of America). Population approximately 2,916,000.
Located in California, United States of America, San Diego has a seasonal climate. Population approximately 2,916,000. Monthly average temperatures range from 14.2°C / 57.6°F in January to 22.6°C / 72.7°F in August, with rainfall varying from 1 mm / 0 in (July) to 60 mm / 2.4 in (March) — about 291 mm / 11.5 in across the year. These are point-value climate normals sampled at San Diego's coordinates — often quite different from the surrounding region's area-weighted average.
Best sunny months: April, May, June, July, August, September, October, November, December.
Best time to visit San Diego →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 14.2°C57.6°F | 58 mm2.3″ | — |
| February | 14.7°C58.5°F | 54 mm2.1″ | — |
| March | 15.2°C59.4°F | 60 mm2.4″ | — |
| April | 16.7°C62.1°F | 22 mm0.9″ | Sunny & Mild |
| May | 18°C64.4°F | 6 mm0.2″ | Sunny & Mild |
| June | 19.7°C67.5°F | 2 mm0.1″ | Sunny & Mild |
| July | 21.7°C71.1°F | 1 mm0″ | Sunny & Warm, Sunny & Mild |
| August | 22.6°C72.7°F | 2 mm0.1″ | Sunny & Warm |
| September | 22.1°C71.8°F | 6 mm0.2″ | Sunny & Warm |
| October | 19.8°C67.6°F | 11 mm0.4″ | Sunny & Mild |
| November | 16.6°C61.9°F | 32 mm1.3″ | Sunny & Mild |
| December | 14.2°C57.6°F | 37 mm1.5″ | Sunny & Mild |
Frequently asked questions
What is the best time to visit San Diego?
The months with the sunniest, driest weather are April, May, June, July, August, September, October, November, December. San Diego's warmest month is August at an average of 22.6°C / 72.7°F, and its driest month is July with about 1 mm / 0 in of rain.
What is the climate of San Diego?
San Diego, in California, United States of America, has monthly average temperatures ranging from 14.2°C / 57.6°F in January to 22.6°C / 72.7°F in August. Annual rainfall is approximately 291 mm / 11.5 in, with the wettest month being March (60 mm / 2.4 in) and the driest July (1 mm / 0 in).
What is the average temperature in San Diego in August?
The average temperature in San Diego in August is 22.6°C / 72.7°F, with rainfall of about 2 mm / 0.1 in — the warmest month of the year.
When is the driest month in San Diego?
The driest month in San Diego is July, with about 1 mm / 0 in of average monthly rainfall. Average temperature that month is 21.7°C / 71.1°F.
When is the wettest month in San Diego?
The wettest month in San Diego is March, with approximately 60 mm / 2.4 in of average monthly rainfall.