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San Francisco
Weather averages
ClimateForecastAprilMay >>

Climate in San Francisco (California), United States of America

The graphs below show the monthly weather averages over the year.

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)

Weather Forecasts for San Francisco (CA)

Thu   Apr 25
17°C | 10°C
W 40 km/h
0.5 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

hourly forecast
Fri   Apr 26
17°C | 12°C
W 47 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sat   Apr 27
17°C | 11°C
W 43 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit San Francisco in the United States of America

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.

During the months of June, July, August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does San Francisco have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in San Francisco?
    September has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in San Francisco?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in San Francisco?
    December tops the wettest month list with 112 mm of rainfall.
  • Which is the driest month in San Francisco?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in San Francisco?
    May is the sunniest month with an average of 324 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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