Climate in San Francisco
| Climate
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Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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| Daily highs (°F)
|
56 |
60 |
61 |
63 |
64 |
66 |
66 |
66 |
70 |
69 |
64 |
57
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| Nightly lows (°F)
|
46 |
48 |
49 |
50 |
51 |
53 |
54 |
54 |
56 |
55 |
51 |
47
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| Precipitation (in)
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4.1 |
3.5 |
2.9 |
1.5 |
0.5 |
0.2 |
0 |
0 |
0.2 |
1.1 |
2.6 |
3.9
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Check San Francisco's 7 day forecast at
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San Francisco has a mild climate, with cool, wet winters and dry summers. In most months, you can expect the high temperature to be in the upper 50s, 60s or low 70s degrees Fahrenheit (between 15 and 25 degrees Celsius). However, these mild temperature readings belie a unique climate not shared by other major cities in the state or country.
Summer days usually start out under fog, slowly burning off towards the ocean into a sunny albeit windy afternoon. Measureable precipitation during the summer months is rare, although light drizzle is possible. Humidity is very constant, but rarely uncomfortable. At late afternoon, when the fog and wind returns people generally find themselves needing a jacket. There are always some days when the fog lingers all day.
In the winter, the rainy season is in full swing. That being said, your odds for a calm, windless sunny day are actually higher in the winter than the summer, although of course overall temperatures are lower.
Spring and Fall are not so much seasons in themselves but rather quick transition periods with some days resembling summer patterns and others the winter. Fall in particular is a good time to visit because the summer wind & fog has mostly gone but the rainy season has not yet started.
Within these general rules, San Francisco also has a series of microclimates created by the city's sharp topography. For instance, there is more fog on the western side of the city, closer to the ocean. There can also be large variances in rainfall between different parts of the city thanks to the tall hills in the center of the peninsula (generally with more rain taking place on the western side, while the eastern side experiences more sunlight).
The Most Frequently Asked Travel Questions about San Francisco
