Weather atlas / The seasons
Climate in San Francisco
San Francisco has a mild, Mediterranean climate with wet winters and dry summers. Temperatures are relatively moderate year-round, though summers can be warm and winters cool. The best time to visit is spring or fall for pleasant weather and fewer crowds.
Temperature in °C · Rainfall in mm · Monthly climate averages
Temperature
Precipitation
Monthly Averages
Monthly detail · Scroll the table to see all measurements →
| Month | High °C | Avg °C | Low °C | Rain | Days | Sun (h) | Comfort |
|---|---|---|---|---|---|---|---|
| May | 17° | 14° | 13° | 0mm | 1 |
All-time Records
Record High18.9°CMay
Record Low12.6°CMay
Driest Month0mmMay
Sunniest MonthhMay