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San Francisco climate guide
Temperature in San Francisco (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) |  13 |
 16 |
16 |
17 |
 18 |
19 |
20 |
20 |
 22 |
21 |
17 |
14 |
| Min temperature (night-time) |  7 |
 8 |
8 |
9 |
10 |
11 |
12 |
13 |
13 |
12 |
10 |
7 |
| Sea temperature |  11 |
11 |
 12 |
12 |
11 |
12 |
13 |
 14 |
14 |
14 |
13 |
12 |
Sunshine & Daylight in San Francisco
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight |  10 |
 11 |
 12 |
 13 |
 14 |
 15 |
14 |
14 |
12 |
11 |
10 |
10 |
Rainfall in San Francisco
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain |  10 |
 9 |
11 |
 6 |
 3 |
1 |
1 |
1 |
2 |
4 |
8 |
10 |
| Average monthly rainfall (mm) |  125 |
 91 |
89 |
 40 |
 7 |
4 |
1 |
2 |
7 |
35 |
90 |
97 |
More climate for San Francisco
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (Maximum) |  2 |
 3 |
5 |
 7 |
 8 |
9 |
9 |
9 |
7 |
5 |
3 |
2 |
| Heat & Humidity |  0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
What's the climate like in San Francisco?
San Francisco has a temperate climate with warm dry summers.
Recommended for California
The climate guide for California (San Francisco) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about San Francisco
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