Monthly weather forecast and climate
Glen Ellen, CA

Weather in January

January in Glen Ellen, California, is a moderate winter month, with average temperature fluctuating between 42.1°F (5.6°C) and 56.3°F (13.5°C). In Glen Ellen, California, the average high-temperature is essentially the same as in December - a moderate 56.3°F (13.5°C). Weather in January »

Weather in February

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

Weather in March

The first month of the spring, March, is a comfortable month in Glen Ellen, California, with average temperature fluctuating between 61.3°F (16.3°C) and 43°F (6.1°C). In March, the average high-temperature is almost the same as in February - a comfortable 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 average temperature fluctuating between 45°F (7.2°C) and 66.7°F (19.3°C). In Glen Ellen, the average high-temperature in April marginally rises, from 61.3°F (16.3°C) in March, to a still enjoyable 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 average temperature varying between 48.4°F (9.1°C) and 71.2°F (21.8°C). In Glen Ellen, 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 average temperature fluctuating between 79.5°F (26.4°C) and 53.1°F (11.7°C). In Glen Ellen, the average high-temperature in June marginally rises, from an agreeable 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, like June, in Glen Ellen, California, is a moderately hot summer month, with average temperature fluctuating between 54.1°F (12.3°C) and 82.8°F (28.2°C). In July, the average high-temperature is almost the same as in June - a still moderately hot 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 average temperature ranging between min 54.9°F (12.7°C) and max 82.9°F (28.3°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). In August, the average heat index is evaluated at a tropical 86.7°F (30.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Glen Ellen, is also a moderately hot month, with average temperature ranging between max 81.1°F (27.3°C) and min 54.7°F (12.6°C). In Glen Ellen, 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, the same as September, in Glen Ellen, California, is an agreeable autumn month, with average temperature varying between 73.2°F (22.9°C) and 51.6°F (10.9°C). In Glen Ellen, the average high-temperature in October slightly decreases, from a warm 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 also an enjoyable month in Glen Ellen, California, with average temperature ranging between min 46°F (7.8°C) and max 63.3°F (17.4°C). In Glen Ellen, the average high-temperature in November decreases, from a pleasant 73.2°F (22.9°C) in October, to an enjoyable 63.3°F (17.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Glen Ellen, California, with average temperature varying between 55°F (12.8°C) and 41.4°F (5.2°C). 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). Weather in December »
[Resources]

FAQ

How many days does it rain in Glen Ellen?

Throughout the year, in Glen Ellen, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

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

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

What is the wettest month in Glen Ellen?

February is the month with the most rainfall in Glen Ellen. Rain falls for 8.9 days and accumulates 3.43" (87mm) of precipitation.

What is the most humid month in Glen Ellen?

The most humid month is March, with an average relative humidity of 76%.

When are the longest days in Glen Ellen?

The month with the longest days is June, with an average of 14.8h of daylight.

When is the highest UV index in Glen Ellen?

Months with the highest UV index in Glen Ellen are June and July, with an average maximum UV index of 6.

What is the driest month in Glen Ellen?

July and August are months with the least rain in Glen Ellen, California, when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Glen Ellen?

July has the most sunshine of the year, with an average of 12h of sunshine.

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, California.

What is the least humid month in Glen Ellen?

With an average relative humidity of 59%, September is the least humid month in Glen Ellen.

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?

With an average of 9.5h of daylight, December has the shortest days of the year in Glen Ellen, California.

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).

[Resources]

Average pressure
Glen Ellen, CA

Average pressure - Glen Ellen, CA

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

[Resources]

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).

[Resources]

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").

[Resources]

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).

[Resources]

Average daylight / Average sunshine
Glen Ellen, CA

Average daylight / Average sunshine - Glen Ellen, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.6h).

[Resources]

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).

[Resources]

Average UV index
Glen Ellen, CA

Average UV index - Glen Ellen, CA

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

[Resources]

Average visibility
Glen Ellen, CA

Average visibility - Glen Ellen, CA

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

[Resources]