Climate of San Francisco
San Francisco has a tundra climate. It is cold here all year round. The average annual temperature for San Francisco is 16° degrees and there is about 54 mm of rain in a year. It is dry for 334 days a year with an average humidity of 31% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 11°C and 20°C
- Night:the average nighttime temperature is between 0°C and 10°C
- Rain: it rains 24 days and there is a total of approximately 55 mm rainfall
- Snow: it snows an average of 2 days per year
- Sun hours: throughout the year there are 3613 sun hours
Maximum temperature: | between 11°C and 20°C |
Warmest month: | 20°C in January |
Coldest month: | 11°C in July |
Night temperature: | between 0°C and 10°C |
Dry days: | 339 days |
Days with rain: | 24 days |
Days with snow: | 2 days |
Total rain sum: | 55 mm |
Hours of sunshine: | 3613 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for San Francisco.
Precipitation graph
This graph shows the average amount of rainfall per month for San Francisco.
Climate table of San Francisco
In this climate table you can see at a glance what the average weather per month is for San Francisco. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for San Francisco might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | 20 | 19 | 19 | 17 | 13 | 12 | 11 | 13 | 15 | 18 | 19 | 20 |
Night temp. (°C) | 9 | 10 | 8 | 5 | 2 | 1 | 0 | 1 | 3 | 5 | 6 | 8 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 21 | 24 | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 |
Days with rain | 6 | 8 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | 2 |
Days with snow | - | - | - | - | 1 | - | 1 | - | - | - | - | - |
Dry days | 25 | 20 | 28 | 28 | 29 | 29 | 29 | 31 | 30 | 31 | 30 | 29 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
Best time to visit San Francisco
The best time to visit San Francisco in Chile is from January through March and October through December. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in San Francisco is 20°C in January and the lowest is 11°C in July.
Climate of San Francisco by month
What is the average climate in a given month for San Francisco? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
San Francisco weather experiences
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