San Francisco in January
In January, San Francisco averages 14°C (57°F) during the day and 8°C (46°F) at night, with around 11 days of rain (110 mm total).
Conditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
January in San Francisco is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
14°C
Avg high
8°C
Avg low
11
Rain days
110 mm
Rainfall
San Francisco in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 8°C / 46°F | 110 mm | 11 | — |
| February | 15°C / 59°F | 9°C / 48°F | 110 mm | 10 | — |
| March | 17°C / 63°F | 10°C / 50°F | 75 mm | 10 | — |
| April | 18°C / 64°F | 11°C / 52°F | 30 mm | 6 | — |
| May | 19°C / 66°F | 12°C / 54°F | 10 mm | 3 | — |
| June | 21°C / 70°F | 13°C / 55°F | 5 mm | 1 | — |
| July | 22°C / 72°F | 14°C / 57°F | 0 mm | 0 | — |
| August | 23°C / 73°F | 14°C / 57°F | 1 mm | 1 | — |
| September | 24°C / 75°F | 14°C / 57°F | 5 mm | 2 | — |
| October | 22°C / 72°F | 13°C / 55°F | 20 mm | 4 | — |
| November | 18°C / 64°F | 11°C / 52°F | 55 mm | 7 | — |
| December | 14°C / 57°F | 8°C / 46°F | 85 mm | 9 | — |
Other cities with similar January weather
Check the live 10-day forecast and sunrise/sunset.