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United States of AmericaUnited States of America California Castro Valley
Castro Valley
Weather averages
ClimateForecastAprilMay >>

Climate in Castro Valley (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
* Data from: San Francisco, the United States of America (27 KM, 17 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 (27 KM, 17 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 (27 KM, 17 Miles).

Weather Forecasts for Castro Valley (CA)

Tue   Apr 23
18°C | 12°C
W 25 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Wed   Apr 24
19°C | 12°C
W 25 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Thu   Apr 25
18°C | 12°C
W 29 km/h
0.5 mm
overcast and small chance of slight rain

overcast and small chance of slight rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Castro Valley 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 Castro Valley have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Castro Valley?
    September has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Castro Valley?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in Castro Valley?
    December tops the wettest month list with 111 mm of rainfall.
  • Which is the driest month in Castro Valley?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Castro Valley?
    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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