Best time to visit San Francisco, United States
Based on 2020–2024 of daily weather data, the best months to visit San Francisco are August, September, July — when temperatures are comfortable, rainfall is low, and sunshine is plentiful.
Months ranked by travel comfort
| Rank | Month | High | Low | Precip | Rainy days | Sun | Score |
|---|---|---|---|---|---|---|---|
| 1 ★ | August | 20° | 14.3° | 3.4 mm | 8 | 12.2 h | 100 |
| 2 ★ | September | 20.4° | 14.4° | 18.9 mm | 18 | 11.3 h | 99 |
| 3 ★ | July | 18.5° | 13.2° | 0.8 mm | 5 | 12.8 h | 98 |
| 4 | June | 18.5° | 12.7° | 9.8 mm | 10 | 13.1 h | 97 |
| 5 | October | 20.5° | 13° | 176.9 mm | 22 | 9.6 h | 93 |
| 6 | May | 17.3° | 11.2° | 82.6 mm | 27 | 12.8 h | 92 |
| 7 | April | 15.3° | 9.6° | 114.8 mm | 27 | 11.7 h | 87 |
| 8 | November | 16.2° | 9.7° | 316.6 mm | 45 | 8.5 h | 78 |
| 9 | February | 14.5° | 7.7° | 303.8 mm | 43 | 9.1 h | 75 |
| 10 | March | 13.9° | 8.6° | 478.5 mm | 71 | 9.5 h | 71 |
| 11 | January | 13.5° | 7.9° | 545.9 mm | 69 | 7 h | 63 |
| 12 | December | 13.5° | 8.1° | 870.6 mm | 73 | 6.4 h | 52 |
Score (0–100) blends ideal-temperature comfort (50%), low-rainfall (30%), and sunshine (20%). Higher is better for a typical sightseeing trip.
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January February March April May June July August September October November December · San Francisco hub