ClimateForecastAprilMay >>

Climate in Half Moon Bay (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 Half Moon Bay, 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 Half Moon Bay, the United States of America

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* Data from: San Francisco, the United States of America (17 KM, 10 Miles).

Daily percent of sunshine

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

Average monthly percentage of sunshine in Half Moon Bay, the United States of America

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* Data from: San Francisco, the United States of America (17 KM, 10 Miles).

Average water temperature

The mean water temperature over the year.

Average monthly water temperature in Half Moon Bay, the United States of America

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* Data from: San Francisco, the United States of America (17 KM, 10 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Half Moon Bay, 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 Half Moon Bay, the United States of America

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Half Moon Bay, the United States of America

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* Data from: San Francisco, the United States of America (17 KM, 10 Miles).

Average wind speed

The mean monthly wind speed over the year (in meters per second)

Average monthly wind speed in Half Moon Bay, the United States of America

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* Data from: San Francisco, the United States of America (17 KM, 10 Miles).

Weather Forecasts for Half Moon Bay (CA)

Sat   Apr 20
18°C | 9°C
W 14 km/h
clear and no rain

clear and no rain

Sun   Apr 21
21°C | 8°C
W 11 km/h
clear and no rain

clear and no rain

Mon   Apr 22
20°C | 9°C
SW 18 km/h
clear and no rain

clear and no rain

The best time of year to visit Half Moon Bay in the United States of America

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 Half Moon Bay have a dry season?
    Yes, the months of May, June, July, August and September are very dry.
  • Which is the warmest month in Half Moon Bay?
    September has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Half Moon Bay?
    The coldest month is December with an average maximum temperature of 15°C.
  • Which is the wettest month in Half Moon Bay?
    December tops the wettest month list with 144 mm of rainfall.
  • Which is the driest month in Half Moon Bay?
    July is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Half Moon Bay?
    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.