San Francisco Climate: Weather by Month and Best Time to Visit
Best months for San Francisco: December, January, February, November.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 32°C | 19°C | 2 mm | 1 | – | – | 8.2 |
| February | 33°C | 20°C | 2 mm | 1 | – | – | 7.8 |
| March | 34°C | 21°C | 14 mm | 3 | – | – | 7.3 |
| April | 34°C | 22°C | 67 mm | 11 | – | – | 6.3 |
| May | 32°C | 22°C | 281 mm | 23 | – | – | 5.3 |
| June | 31°C | 21°C | 265 mm | 24 | – | – | 5.7 |
| July | 32°C | 21°C | 145 mm | 17 | – | – | 5.6 |
| August | 32°C | 22°C | 212 mm | 22 | – | – | 5.3 |
| September | 30°C | 21°C | 316 mm | 26 | – | – | 5.8 |
| October | 29°C | 21°C | 290 mm | 24 | – | – | 6.0 |
| November | 30°C | 20°C | 56 mm | 8 | – | – | 7.8 |
| December | 31°C | 19°C | 5 mm | 1 | – | – | 8.3 |