Warm-summer Mediterranean climate
Climate San Francisco - California
Annual high64ºF
Annual low51ºF
Precipitation23.66 inch
| Month | HighºF | LowºF | Precipinch | Wet days | Sunshineh |
|---|---|---|---|---|---|
| Jan | 66 | 53 | 0.16 | 2 | 330 |
| Feb | 67 | 54 | 0.01 | 1 | 300 |
| Mar | 64 | 51 | 0.70 | 4 | 314 |
| Apr | 63 | 49 | 1.46 | 6 | 281 |
| May | 62 | 49 | 3.26 | 10 | 251 |
| Jun | 60 | 47 | 4.46 | 11 | 182 |
| Jul | 57 | 46 | 4.50 | 11 | 165 |
| Aug | 68 | 55 | 0.06 | 1 | 272 |
| Sep | 70 | 55 | 0.21 | 1 | 267 |
| Oct | 69 | 54 | 1.12 | 4 | 243 |
| Nov | 63 | 50 | 3.16 | 7 | 189 |
| Dec | 57 | 46 | 4.56 | 10 | 156 |
- JanHigh 66ºFLow 53ºFPrecip 0.16 inch
- FebHigh 67ºFLow 54ºFPrecip 0.01 inch
- MarHigh 64ºFLow 51ºFPrecip 0.70 inch
- AprHigh 63ºFLow 49ºFPrecip 1.46 inch
- MayHigh 62ºFLow 49ºFPrecip 3.26 inch
- JunHigh 60ºFLow 47ºFPrecip 4.46 inch
- JulHigh 57ºFLow 46ºFPrecip 4.50 inch
- AugHigh 68ºFLow 55ºFPrecip 0.06 inch
- SepHigh 70ºFLow 55ºFPrecip 0.21 inch
- OctHigh 69ºFLow 54ºFPrecip 1.12 inch
- NovHigh 63ºFLow 50ºFPrecip 3.16 inch
- DecHigh 57ºFLow 46ºFPrecip 4.56 inch
Climate summary
What is the average weather in San Francisco, California?
San Francisco experiences a warm-summer climate with dry summers and wetter winters, strongly moderated by its coastal influence. This maritime effect leads to mild winters and mild summers, with September often being the warmest month, an unusual timing. The city receives moderate precipitation, primarily during the cooler season, and enjoys abundant sunshine, totaling over 2,950 hours annually.
San Francisco weather averages
Annual high64ºF
Annual low51ºF
Precipitation23.66 inch
Sunshine2950 hours
Daily normals San Francisco - California - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 58.4 | 45.2 | 0.12 | 0.12 |
| Jan 2 | 58.4 | 45.2 | 0.25 | 0.25 |
| Jan 3 | 58.5 | 45.2 | 0.37 | 0.37 |
| Jan 4 | 58.5 | 45.2 | 0.49 | 0.49 |
| Jan 5 | 58.5 | 45.3 | 0.62 | 0.62 |
| Jan 6 | 58.5 | 45.3 | 0.75 | 0.75 |
| Jan 7 | 58.6 | 45.3 | 0.88 | 0.88 |
| Jan 8 | 58.6 | 45.4 | 1.01 | 1.01 |
| Jan 9 | 58.6 | 45.4 | 1.14 | 1.14 |
| Jan 10 | 58.7 | 45.4 | 1.27 | 1.27 |
| Jan 11 | 58.7 | 45.5 | 1.40 | 1.40 |
| Jan 12 | 58.7 | 45.5 | 1.53 | 1.53 |
| Jan 13 | 58.8 | 45.6 | 1.66 | 1.66 |
| Jan 14 | 58.8 | 45.6 | 1.79 | 1.79 |
| Jan 15 | 58.9 | 45.7 | 1.92 | 1.92 |
| Jan 16 | 58.9 | 45.7 | 2.04 | 2.04 |
| Jan 17 | 59.0 | 45.8 | 2.16 | 2.16 |
| Jan 18 | 59.0 | 45.8 | 2.27 | 2.27 |
| Jan 19 | 59.1 | 45.8 | 2.40 | 2.40 |
| Jan 20 | 59.2 | 45.9 | 2.53 | 2.53 |
| Jan 21 | 59.2 | 45.9 | 2.65 | 2.65 |
| Jan 22 | 59.3 | 46.0 | 2.78 | 2.78 |
| Jan 23 | 59.3 | 46.0 | 2.90 | 2.90 |
| Jan 24 | 59.4 | 46.0 | 3.03 | 3.03 |
| Jan 25 | 59.4 | 46.1 | 3.15 | 3.15 |
| Jan 26 | 59.5 | 46.1 | 3.28 | 3.28 |
| Jan 27 | 59.6 | 46.1 | 3.41 | 3.41 |
| Jan 28 | 59.6 | 46.2 | 3.54 | 3.54 |
| Jan 29 | 59.7 | 46.2 | 3.67 | 3.67 |
| Jan 30 | 59.7 | 46.2 | 3.80 | 3.80 |
| Jan 31 | 59.8 | 46.2 | 3.94 | 3.94 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history San Francisco - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 68.0 | 54.0 | 0.00 |
| Oct 2 | 75.9 | 55.9 | 0.00 |
| Oct 3 | 91.0 | 59.0 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | 75.9 | 54.0 | 0.00 |
| Oct 9 | 64.0 | 55.9 | 0.00 |
| Oct 10 | 62.1 | 54.0 | 0.00 |
| Oct 11 | 63.0 | 51.1 | 0.00 |
| Oct 12 | 66.0 | 52.0 | 0.00 |
| Oct 13 | 73.0 | 52.0 | 0.00 |
| Oct 14 | 71.1 | 53.1 | 0.00 |
| Oct 15 | 82.9 | 55.0 | 0.00 |
| Oct 16 | 87.1 | 59.0 | 0.00 |
| Oct 17 | – | – | – |
| Oct 18 | 62.1 | 55.9 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | – | – | – |
| Oct 22 | 62.1 | 55.9 | 0.04 |
| Oct 23 | 68.0 | 54.0 | 0.00 |
| Oct 24 | 72.0 | 53.1 | 0.00 |
| Oct 25 | 73.0 | 54.0 | 0.00 |
| Oct 26 | 64.9 | 55.9 | 0.00 |
| Oct 27 | 64.9 | 54.0 | 0.00 |
| Oct 28 | 66.9 | 53.1 | 0.00 |
| Oct 29 | 69.1 | 55.0 | 0.00 |
| Oct 30 | 66.9 | 57.0 | 0.00 |
| Oct 31 | 61.0 | 54.0 | 0.03 |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature91.0ºF · Oct 3
- Lowest max temperature61.0ºF · Oct 31
- Highest min temperature59.0ºF · Oct 3
- Lowest min temperature51.1ºF · Oct 11
Geo San Francisco - California
Location
- Country
- United States
- State
- California
- County
- San Francisco
- City
- San Francisco
- Zip Code
- 94102
- Elevation
- 66 ft
- Longitude
- -122.42
- Latitude
- 37.78
- ICAO
- –
- IATA
- –