ClimateForecastDecemberJanuary >>

San Francisco Climate by Month

San Francisco has a steady warm climate throughout the year. It is also known for its large amounts of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In San Francisco temperatures are generally consistent throughout the year. Typically, daytime temperatures range from a comfortable 23°C in August to a pleasant 22°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 13°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

San Francisco experiences significant rainfall throughout the year, averaging 3260 mm of precipitation annually. The climate in San Francisco shows significant variation throughout the year. Expect heavy rainfall in April, with an average of 385 mm of precipitation over 18 rainy days.

In contrast, August offers drier and sunnier days, with around 173 mm of rainfall over 14 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, San Francisco serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 5.2 hours of sunshine daily, and embrace the darker days in May, offering only 2.8 hours of daily sunlight.

Monthly hours of sunshine

Data from: Bogotá, Colombia (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Bogotá, Colombia (34 KM, 21 Miles).

The best time of year to visit San Francisco in Colombia

The average rainfall figures in San Francisco are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose January which is the sunniest month of the year.

Other facts from our historical weather data:
  • What is the temperature like year round in San Francisco?
    It has mild temperatures all year round ranging between 21°C and 23°C.
  • Which is the warmest month in San Francisco?
    August 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 January with an average maximum temperature of 22°C.
  • Which is the wettest month in San Francisco?
    April tops the wettest month list with 385 mm of rainfall.
  • Which is the driest month in San Francisco?
    August is the driest month with 173 mm of precipitation.
  • Which is the sunniest month in San Francisco?
    January is the sunniest month with an average of 156 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.

    Forecast for San Francisco

    Tue   Dec 10
    26°C | 15°C
    SE 7 km/h
    2.4 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Wed   Dec 11
    26°C | 16°C
    NW 7 km/h
    1.6 mm
    broken clouds and rain

    broken clouds and rain

    Thu   Dec 12
    24°C | 18°C
    NW 7 km/h
    5.1 mm
    broken clouds and rain

    broken clouds and rain