San Francisco (CA) Climate by Month
San Francisco has a Mediterranean climate which means warm and dry summers with mild winters. It's the perfect city in the US to visit in autumn or early spring. Most rain is seen from November until March, but with more than 150 hours of sunshine you could still consider visiting San Francisco during those months.
In winter the evening temperatures can drop, but almost never below freezing.
The graphs below provide an overview of the climate in San Francisco (California), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.
Average day and night temperature
The mean minimum and maximum temperatures over the year.
Monthly hours of sunshine
The average monthly total hours of sunshine over the year
Daily percent of sunshine
The mean percent of hours of sunhours during the day over the year
Average water temperature
The mean water temperature over the year.
Monthly precipitation
The mean monthly precipitation over the year, including rain, snow, hail etc.
Monthly rainy days
The average number of days each month with rain, snow, hail etc.
Average humidity
The mean monthly relative humidity over the year
Average wind speed
The mean monthly wind speed over the year (in meters per second)
