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Glen Ellen (CA) Weather and Climate: A Comprehensive Guide

The temperature in Glen Ellen can vary greatly throughout the year. The temperatures shift from very warm to mild. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to moderate in Glen Ellen. Average daytime temperatures reach a very warm 31°C in July. In January, the coolest month of the year, temperatures drop to a moderate 14°C.

At night, you can expect cooler temperatures, with averages dropping to around 4°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Glen Ellen has a moderate amount of precipitation, averaging 780 mm of rainfall annually. Glen Ellen can be quite wet during December, receiving approximately 156 mm of precipitation over 13 rainy days.

In contrast August, experiences much drier conditions, with 0.1 mm of rainfall, spread across 0 rainy days. For more details, please visit our Glen Ellen Precipitation page.

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

Sunshine over the year

Glen Ellen can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Healdsburg, the United States of America (40 KM, 25 Miles).

Daily hours of sunshine

Data from: Healdsburg, the United States of America (40 KM, 25 Miles).

Forecast for Glen Ellen (CA)

Fri   Dec 27
15°C | 10°C
SW 4 m/s
1.1 mm
broken clouds and slight rain

broken clouds and slight rain

Sat   Dec 28
14°C | 10°C
SW 4 m/s
9.6 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
14°C | 5°C
W 6 m/s
21 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Glen Ellen 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 Glen Ellen have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Glen Ellen?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Glen Ellen?
    The coldest month is January with an average maximum temperature of 14°C.
  • Which is the wettest month in Glen Ellen?
    December tops the wettest month list with 156 mm of rainfall.
  • Which is the driest month in Glen Ellen?
    August is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Glen Ellen?
    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.