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Sunnyvale
Weather averages
ClimateForecastNovemberDecember >>

Sunnyvale (CA) Climate by Month

The graphs below provide an overview of the climate in Sunnyvale (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
* 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
* 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.

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

Forecast for Sunnyvale (CA)

Mon   Nov 04
24°C | 9°C
NW 14 km/h
clear and no rain

clear and no rain

hourly forecast
Tue   Nov 05
23°C | 8°C
NW 11 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Wed   Nov 06
22°C | 10°C
N 22 km/h
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

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

During the months of April, May, June 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:

  • When is summer in Sunnyvale?
    The hottest season / summer takes place in June, July, August and September.
  • Does Sunnyvale have a dry season?
    Yes, the months of May, June, July, August, September and October are very dry.
  • Which is the warmest month in Sunnyvale?
    September has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Sunnyvale?
    The coldest month is January with an average maximum temperature of 15°C.
  • Which is the wettest month in Sunnyvale?
    December tops the wettest month list with 70 mm of rainfall.
  • Which is the driest month in Sunnyvale?
    July is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Sunnyvale?
    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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