The bar chart below shows the average monthly peak daytime temperatures at San Francisco
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27.3 | 27.8 | 27.8 | 27.4 | 26.8 | 26.9 | 27.5 | 27.2 | 26.6 | 26.2 | 26.3 | 26.4 |
°F | 81.1 | 82 | 82.1 | 81.3 | 80.2 | 80.5 | 81.4 | 80.9 | 79.9 | 79.2 | 79.3 | 79.5 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 108 | 106 | 137 | 234 | 256 | 213 | 182 | 206 | 224 | 285 | 239 | 150 |
inches | 4.3 | 4.2 | 5.4 | 9.2 | 10.1 | 8.4 | 7.2 | 8.1 | 8.8 | 11.2 | 9.4 | 5.9 |
Rainy days | 13 | 13 | 17 | 21 | 24 | 20 | 17 | 20 | 22 | 25 | 22 | 16 |
Average annual rainfall in San Francisco: 2269.866mm (893.6 inches)
The bar chart below shows the average daily sunshine hours in San Francisco
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6.3 | 5.9 | 5.1 | 4.4 | 4.5 | 5.4 | 6.4 | 5.9 | 5 | 4.1 | 4.7 | 5.5 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 15.7 | 15.8 | 16.1 | 16.2 | 16.2 | 16 | 15.9 | 15.8 | 15.5 | 15.7 | 15.9 | 15.6 |
Max °C | 27.6 | 28.1 | 28.1 | 27.7 | 27.1 | 27.2 | 27.8 | 27.5 | 26.9 | 26.5 | 26.6 | 26.7 |
Min °F | 60.2 | 60.4 | 61 | 61.1 | 61.1 | 60.8 | 60.5 | 60.4 | 59.9 | 60.3 | 60.5 | 60 |
Max °F | 70.9 | 71.4 | 71.8 | 71.4 | 70.9 | 70.9 | 71.2 | 70.9 | 70.2 | 70 | 70.2 | 70 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27.3 | 26.8 | 26.7 | 27.2 | 28.1 | 28.3 | 28.2 | 28.1 | 28 | 27.9 | 27.8 | 27.6 |
°F | 81.2 | 80.3 | 80.1 | 81 | 82.6 | 82.9 | 82.7 | 82.6 | 82.4 | 82.2 | 82 | 81.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 12 | 13 | 12 | 12 | 11 | 12 | 14 | 13 | 11 | 10 | 9 | 11 |
mph | 7 | 8 | 8 | 7 | 7 | 8 | 9 | 8 | 7 | 6 | 6 | 7 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
72% | 71% | 71% | 76% | 78% | 75% | 72% | 73% | 75% | 78% | 78% | 76% |
Hottest month: | March | 27.8°C 82°F |
---|---|---|
Driest month: | February | 106mm 4.2ins |
Sunniest month: | January | 6.3hrs |
Coldest month: | October | 26.2°C 79.2°F |
Wettest month: | October | 285mm 11.2ins |
Warmest sea: | June | 28.3°C 82.9°F |