San Francisco weather by month
San Francisco has mild summers, mild winters and moderate rain. The most pleasant months are September to October.
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Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 58°F 14°C | 44°F 7°C | 6.3 in 160 mm | Dry | Weak sun |
| February | 61°F 16°C | 46°F 8°C | 6.1 in 154 mm | Dry | Moderate sun |
| March | 63°F 17°C | 47°F 8°C | 4.4 in 112 mm | Dry | Sunny |
| April | 65°F 19°C | 47°F 9°C | 2.2 in 57 mm | Comfortable | Sunny |
| May | 68°F 20°C | 50°F 10°C | 1.0 in 25 mm | Comfortable | Strong sun |
| June | 71°F 21°C | 52°F 11°C | 0.3 in 7 mm | Comfortable | Strong sun |
| July | 71°F 22°C | 53°F 12°C | 0.1 in 2 mm | Comfortable | Strong sun |
| August | 72°F 22°C | 54°F 12°C | 0.1 in 2 mm | Comfortable | Strong sun |
| September | 74°F 23°C | 54°F 12°C | 0.2 in 4 mm | Comfortable | Sunny |
| October | 72°F 22°C | 52°F 11°C | 1.7 in 42 mm | Comfortable | Moderate sun |
| November | 65°F 18°C | 48°F 9°C | 3.4 in 86 mm | Comfortable | Moderate sun |
| December | 59°F 15°C | 45°F 7°C | 6.5 in 164 mm | Dry | Weak sun |
Cities with a climate like San Francisco
Whole-year match out of 100, one city per country, seasons lined up across the equator.
- Valparaíso Chile82
- Porto Portugal79
- Cape Town South Africa78
- Geelong Australia77
- A Coruña Spain76
- Christchurch New Zealand73