Climate and monthly weather forecast
Glen Ellen, CA

Weather in January

January is a moderate winter month in Glen Ellen, California, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 56.3°F (13.5°C). In January, the average high-temperature is relatively the same as in December - a mild 56.3°F (13.5°C). Weather in January »

Weather in February

February, the last month of the winter in Glen Ellen, is also a moderate month, with an average temperature fluctuating between 42.1°F (5.6°C) and 59°F (15°C). In Glen Ellen, the average high-temperature in February is almost the same as in January - a still moderate 59°F (15°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Glen Ellen, California, with an average temperature ranging between min 43°F (6.1°C) and max 61.3°F (16.3°C). In March, the average high-temperature is almost the same as in February - an enjoyable 61.3°F (16.3°C). Weather in March »

Weather in April

April, the same as March, is another enjoyable spring month in Glen Ellen, California, with an average temperature ranging between min 45°F (7.2°C) and max 66.7°F (19.3°C). In Glen Ellen, California, the average high-temperature in April marginally rises from an enjoyable 61.3°F (16.3°C) in March to a still comfortable 66.7°F (19.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Glen Ellen, California, with an average temperature ranging between max 71.2°F (21.8°C) and min 48.4°F (9.1°C). In May, the average high-temperature is essentially the same as in April - a pleasant 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Glen Ellen, California, with an average temperature ranging between min 53.1°F (11.7°C) and max 79.5°F (26.4°C). In June, the average high-temperature marginally rises from a pleasant 71.2°F (21.8°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Glen Ellen, California, with an average temperature varying between 82.8°F (28.2°C) and 54.1°F (12.3°C). In July, the average high-temperature is essentially the same as in June - a still warm 82.8°F (28.2°C). Weather in July »

Weather in August

August, the last month of the summer in Glen Ellen, is also a moderately hot month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 54.9°F (12.7°C). August is the warmest month, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 54.9°F (12.7°C). The average heat index in August is evaluated at a hot 86°F (30°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Glen Ellen, California, with an average temperature ranging between max 81.1°F (27.3°C) and min 54.7°F (12.6°C). In September, the average high-temperature is practically the same as in August - a still warm 81.1°F (27.3°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Glen Ellen, California, with an average temperature ranging between min 51.6°F (10.9°C) and max 73.2°F (22.9°C). In October, the average high-temperature slightly decreases from a moderately hot 81.1°F (27.3°C) in September to an agreeable 73.2°F (22.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Glen Ellen, California, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 63.3°F (17.4°C). In November, the average high-temperature decreases from a pleasant 73.2°F (22.9°C) in October to a comfortable 63.3°F (17.4°C). Weather in November »

Weather in December

December, the first month of the winter in Glen Ellen, is also a fresh month, with an average temperature varying between 41.4°F (5.2°C) and 55°F (12.8°C). December is the coldest month, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.4°F (5.2°C). Weather in December »
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FAQ

How much does it rain in Glen Ellen?

In Glen Ellen, California, during the entire year, the rain falls for 73.3 days and collects up to 15.47" (393mm) of precipitation.

When is the lowest UV index in Glen Ellen?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the rainiest month in Glen Ellen?

The month with the most rainfall is February, when the rain falls for 8.9 days and typically aggregates up to 3.43" (87mm) of precipitation.

What is the most humid month in Glen Ellen?

With an average relative humidity of 76%, March is the most humid month.

When is Daylight Saving Time (DST) in Glen Ellen?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Glen Ellen, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Glen Ellen?

The month with the longest days in Glen Ellen is June, with an average of 14h and 48min of daylight.

What is the month with the highest UV index in Glen Ellen?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the driest month in Glen Ellen?

The months with the least rainfall in Glen Ellen are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Glen Ellen?

With an average of 12h of sunshine, July has the most sunshine of the year in Glen Ellen, California.

What is the warmest month in Glen Ellen?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 54.9°F (12.7°C), August is the warmest month in Glen Ellen.

What is the least humid month in Glen Ellen?

September is the least humid month, with an average relative humidity of 59%.

What is the coldest month in Glen Ellen?

The coldest month is December, with an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.4°F (5.2°C).

What is the month with the shortest days in Glen Ellen?

The month with the shortest days in Glen Ellen is December, with an average of 9h and 33min of daylight.

What is the month with the least sunshine in Glen Ellen?

With an average of 5.6h of sunshine, December has the least sunshine of the year.

Average temperature
Glen Ellen, CA

Average temperature - Glen Ellen, CA

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure
Glen Ellen, CA

Average pressure - Glen Ellen, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Glen Ellen, CA

Average wind speed - Glen Ellen, CA

The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average rainfall
Glen Ellen, CA

Average rainfall - Glen Ellen, CA

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Glen Ellen, CA

Average rainfall days - Glen Ellen, CA

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Glen Ellen, CA

Average daylight / Average sunshine - Glen Ellen, CA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 33min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days
Glen Ellen, CA

Average sunshine days - Glen Ellen, CA

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

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Average UV index
Glen Ellen, CA

Average UV index - Glen Ellen, CA

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Glen Ellen, CA

Average visibility - Glen Ellen, CA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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