Climate of San Francisco
San Francisco has a semi-arid climate. It hardly rains here. The average annual temperature for San Francisco is 26° degrees and there is about 127 mm of rain in a year. It is dry for 292 days a year with an average humidity of 41% and an UV-index of 5.
Climate averages for the whole year
- Day: the average daily temperature during the day is between 20°C and 31°C
- Night:the average nighttime temperature is between 7°C and 20°C
- Rain: it rains 57 days and there is a total of approximately 127 mm rainfall
- Sun hours: throughout the year there are 3534 sun hours
Maximum temperature: | between 20°C and 31°C |
Warmest month: | 31°C in June |
Coldest month: | 20°C in January |
Night temperature: | between 7°C and 20°C |
Dry days: | 308 days |
Days with rain: | 57 days |
Days with snow: | 0 days |
Total rain sum: | 127 mm |
Hours of sunshine: | 3534 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 | 23 | 25 | 29 | 30 | 31 | 29 | 29 | 26 | 25 | 22 | 21 |
Night temp. (°C) | 7 | 9 | 11 | 14 | 17 | 20 | 19 | 18 | 17 | 14 | 10 | 8 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 4 | 5 | 4 | 2 | 4 | 11 | 21 | 15 | 26 | 23 | 7 | 5 |
Days with rain | 2 | 3 | 4 | 2 | 3 | 4 | 8 | 6 | 11 | 6 | 5 | 3 |
Dry days | 29 | 25 | 27 | 28 | 28 | 26 | 23 | 25 | 19 | 25 | 25 | 28 |
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 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 4 | 5 | 5 | 6 | 7 | 6 | 6 | 6 | 6 | 5 | 4 | 4 |
Best time to visit San Francisco
The best time to visit San Francisco in Mexico is from January through December. In this period you have a warm temperature and almost no precipitation. The highest average temperature in San Francisco is 31°C in June and the lowest is 20°C in January.
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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