Glen Ellen (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Glen Ellen.
Climate overview of Glen Ellen
Glen Ellen, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in July, while winters cool to 14°C (57°F) in December.
Annual rainfall is moderate at around 780 mm (31 in), with December being the wettest month. The city also has a distinct dry season from May to September, with very warm summers and mild winters. The sunniest month is May, with 10.3 hours of sunshine per day on average.
Glen Ellen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Glen Ellen - and find the best time to visit.
Monthly Temperature in Glen Ellen
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 (88°F) in July. In December, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 12°C (54°F) in July to 4°C (39°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Glen Ellen
Generally, Glen Ellen has a moderate amount of precipitation, averaging 780 mm (31 in) of rainfall annually. Glen Ellen can be quite wet during December, receiving approximately 156 mm (6.1 in) of precipitation over 13 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 0.1 mm (0 in) of precipitation 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
The average number of days each month with precipitation
Sunshine Hours in Glen Ellen
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
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit Glen Ellen
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: April, May, June and October
- Warmest weather: July, August and September
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Wettest period: January, February, March, November and December, when rainfall peaks.
- Climate seasons: a distinct dry season from May to September, with very warm summers and mild winters
Frequently asked questions about the climate in Glen Ellen
What is the best time to visit Glen Ellen?
April, May, June and October typically offer the most optimal weather in Glen Ellen. In contrast, January, February and December tend to have less optimal conditions. Glen Ellen has a distinct dry season from May to September, with very warm summers and mild winters.
What temperatures can I expect in Glen Ellen?
Daytime highs range from 14°C (57°F) in December to 31°C (88°F) in July. Nighttime lows range from 4°C (39°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Glen Ellen get?
Annual rainfall is around 780 mm (31 in). December is the wettest month with 156 mm (6.1 in), while August is the driest with 0.1 mm (0 in).
How sunny is Glen Ellen?
Glen Ellen receives around 3,042 hours of sunshine per year. May is the sunniest month with 310 hours, while December is the cloudiest with just 160 hours. Overall, Glen Ellen enjoys abundant sunshine.
Glen Ellen 3-Day Forecast
Glen Ellen (CA) 3-Day Forecast
Glen Ellen on the map
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