Winter temperatures · California
How cold does San Francisco get in winter?
San Francisco right now
55°FBroken cloud
- Today58°F / 55°FClouds
- Tomorrow59°F / 55°FClouds
- Monday61°F / 54°FClear skies
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical winter, December to February, San Francisco averages highs around 59°F and lows around 45°F.
In a typical year, not one day stays below freezing from start to finish. Nights at 10°F or colder don’t show up in a typical year. That makes it the 19th mildest winter of the 129 US cities we track.
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Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
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Winter at a glance
| Average winter high | 59°F |
|---|---|
| Average winter low | 45°F |
| Days a year that stay below freezing | none |
| Nights a year at 32°F or colder | fewer than one |
| Nights a year at 10°F or colder | none |
| Nights a year below zero | none |
| Average summer high, for comparison | 73°F |
Winter here is December to February. Counts are averages a year.
Cities with about the same winter
- Austin, Texas: highs around 64°F, lows around 40°F
- San Jose, California: highs around 61°F, lows around 43°F
- Charleston, South Carolina: highs around 62°F, lows around 41°F
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00023234.