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Windsor (CA) Climate by Month

The temperature in Windsor can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and mild during the cooler months. It maintains moderate precipitation patterns. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Windsor can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a comfortable 29°C in July to a moderate 14°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to 3°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Windsor experiences moderate precipitation patterns, averaging 793 mm yearly. The climate in Windsor shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 162 mm of precipitation over 14 rainy days. In contrast, August offers drier and sunnier days, with around 0.1 mm of rainfall over 0 rainy days.

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

Sunshine over the year

For those who appreciate different seasons, Windsor serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.3 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight.

Monthly hours of sunshine

Data from: Healdsburg, the United States of America (8 KM, 5 Miles).

Daily hours of sunshine

Data from: Healdsburg, the United States of America (8 KM, 5 Miles).

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

During the months of April, May 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 Windsor have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Windsor?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Windsor?
    The coldest month is December with an average maximum temperature of 14°C.
  • Which is the wettest month in Windsor?
    December tops the wettest month list with 162 mm of rainfall.
  • Which is the driest month in Windsor?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Windsor?
    May is the sunniest month with an average of 310 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 Windsor (CA)

    Sat   Nov 23
    15°C | 6°C
    SW 11 km/h
    1.6 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sun   Nov 24
    13°C | 5°C
    S 11 km/h
    9.6 mm
    overcast and heavy rain

    overcast and heavy rain

    Mon   Nov 25
    15°C | 9°C
    SE 7 km/h
    1.8 mm
    broken clouds and rain

    broken clouds and rain