Climate in San Rafael (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.

Average monthly minimum and maximum temperature in San Rafael, the United States of America

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in San Rafael, the United States of America

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* Data from: San Francisco, the United States of America (41 KM, 25 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Average monthly percentage of sunshine in San Rafael, the United States of America

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* Data from: San Francisco, the United States of America (41 KM, 25 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in San Rafael, the United States of America

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in San Rafael, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in San Rafael, the United States of America

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* Data from: San Francisco, the United States of America (41 KM, 25 Miles).

Weather Forecasts for San Rafael (CA)

Fri   Mar 29
12°C | 7°C
SE 22 km/h
34 mm
overcast and heavy rain

overcast and heavy rain

Sat   Mar 30
17°C | 7°C
NE 18 km/h
9.9 mm
broken clouds and rain

broken clouds and rain

Sun   Mar 31
17°C | 6°C
SW 11 km/h
1 mm
partly cloudy and small chance of rain

partly cloudy and small chance of rain

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

During the months of May, 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 Rafael have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in San Rafael?
    September has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in San Rafael?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in San Rafael?
    December tops the wettest month list with 172 mm of rainfall.
  • Which is the driest month in San Rafael?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in San Rafael?
    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.