San Francisco weather by month
Average highs run from 58°F in January to 66°F in July, and January nights average 47°F. It gets 23 inches of rain and melted snow a year, with almost no snow. The most comfortable months are March to November.
Best time to visit San Francisco
For comfortable weather, go in March to November. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 58°F | 47°F | 4.4 in | 0.0 in | 8 | 0 | 0 | cool |
| February | 60°F | 48°F | 4.4 in | 0.0 in | 8 | 0 | 0 | cool |
| March | 62°F | 49°F | 3.2 in | 0.0 in | 7 | 0 | 0 | mild |
| April | 63°F | 50°F | 1.6 in | 0.0 in | 4 | 0 | 0 | mild |
| May | 64°F | 51°F | 0.7 in | 0.0 in | 2 | 0 | 0 | mild |
| June | 67°F | 53°F | 0.2 in | 0.0 in | 1 | 0 | 0 | mild |
| July | 66°F | 54°F | 0.0 in | 0.0 in | 0 | 0 | 0 | mild |
| August | 68°F | 56°F | 0.1 in | 0.0 in | 0 | 0 | 0 | mild |
| September | 70°F | 56°F | 0.1 in | 0.0 in | 0 | 1 | 0 | mild |
| October | 70°F | 54°F | 0.9 in | 0.0 in | 2 | 1 | 0 | mild |
| November | 64°F | 51°F | 2.6 in | 0.0 in | 5 | 0 | 0 | mild |
| December | 58°F | 47°F | 4.8 in | 0.0 in | 8 | 0 | 0 | cool |
| Year | 64°F avg | 51°F avg | 22.9 in | 0.0 in | 45 | 3 | 0 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station San Francisco Downtown, CA (USW00023272), 0.5 miles from the city center; snowfall from San Francisco Oceanside, CA. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in San Francisco
The shortest day is December 21, with 9h 32m of daylight; the longest is June 21, with 14h 46m. The earliest sunset comes around November 30 (4:50 pm) and the latest around June 23 (8:35 pm). The sun sets after 8 pm on 108 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 am | 5:14 pm | 9h 51m |
| February | 6:59 am | 5:48 pm | 10h 49m |
| March | 7:20 am | 7:16 pm | 11h 56m |
| April | 6:34 am | 7:45 pm | 13h 11m |
| May | 5:59 am | 8:12 pm | 14h 13m |
| June | 5:47 am | 8:33 pm | 14h 46m |
| July | 6:00 am | 8:30 pm | 14h 31m |
| August | 6:25 am | 8:01 pm | 13h 36m |
| September | 6:51 am | 7:17 pm | 12h 25m |
| October | 7:18 am | 6:31 pm | 11h 13m |
| November | 6:50 am | 4:57 pm | 10h 08m |
| December | 7:18 am | 4:51 pm | 9h 33m |
Calculated for 2026 at the center of San Francisco with NOAA's solar equations, in local clock time (Pacific Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is San Francisco getting warmer?
The last 10 years averaged 2.1°F warmer than the 20th century. See the climate stripes for San Francisco.Frequently asked questions
What is the warmest month in San Francisco?
September is the warmest month, with an average high of 70°F and an average low of 56°F (NOAA 1991-2020 normals).
What is the coldest month in San Francisco?
January is the coldest, with average lows of 47°F and highs of 58°F.
What is the rainiest month in San Francisco?
December gets the most precipitation, 4.8 inches on average. July is the driest at 0.0 inches.
Does it snow in San Francisco?
Very little. The normal yearly snowfall is under one inch.
When is the best time to visit San Francisco?
For comfortable weather, March to November. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to San Francisco?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full San Francisco profile.
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