The temperatures in San Francisco in May are usually low and can range between 10°C and 20°C.
The wather in San Francisco in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in San Francisco in May 2025.
If you’re planning to visit San Francisco in the near future, we highly recommend that you review the 14 day weather forecast for San Francisco before you arrive.
Temperatures
20° / 10°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
13
mm
Sun Hours
11.3
Hrs
