Climate and monthly weather forecastGlen Ellen, CA
Climate and monthly weather forecast
Weather in January
January in Glen Ellen, California, is a mild winter month, with an average temperature ranging between max 56.3°F (13.5°C) and min 42.1°F (5.6°C). January's beginning signals an average high-temperature of a refreshing 56.3°F (13.5°C), barely different from December's 55°F (12.8°C). Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Glen Ellen, California, with an average temperature fluctuating between 42.1°F (5.6°C) and 59°F (15°C). The introduction of February sees an average high-temperature of a still mild 59°F (15°C), hardly deviating from January. Weather in February »Weather in March
March, the first month of the spring in Glen Ellen, is a refreshing month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 61.3°F (16.3°C). The average high-temperature during March registers at an enjoyable 61.3°F (16.3°C), maintaining a close resemblance to the previous month. Weather in March »Weather in April
April, the same as March, is another comfortable spring month in Glen Ellen, California, with an average temperature fluctuating between 66.7°F (19.3°C) and 45°F (7.2°C). The start of April brings a subtle rise in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in March to a still refreshing 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 temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 48.4°F (9.1°C). The commencement of May introduces an average high-temperature of an agreeable 71.2°F (21.8°C), closely mirroring the preceding month. 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 fluctuating between 79.5°F (26.4°C) and 53.1°F (11.7°C). As June sets, the average high-temperature shows a slight increase, moving up 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, the same as June, is another warm summer month in Glen Ellen, California, with an average temperature fluctuating between 54.1°F (12.3°C) and 82.8°F (28.2°C). The onset of July notes an average high-temperature of a still moderately hot 82.8°F (28.2°C), subtly shifted from June's 79.5°F (26.4°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Glen Ellen, California, with an average temperature ranging between max 82.9°F (28.3°C) and min 54.9°F (12.7°C). August, with its high-temperature average of 82.9°F (28.3°C) and a low-temperature average of 54.9°F (12.7°C), is the warmest month. August's mean heat index is evaluated at a hot 86°F (30°C). Weather in August »Weather in September
September, the first month of the autumn in Glen Ellen, is still a warm month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 81.1°F (27.3°C). The introduction of September notes a subtle temperature variation to a still moderately hot 81.1°F (27.3°C) from August's 82.9°F (28.3°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Glen Ellen, California, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 73.2°F (22.9°C). As October begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 81.1°F (27.3°C) in September to a pleasant 73.2°F (22.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing 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). Setting in of November comes with a decrease in the average high-temperature, moving from an agreeable 73.2°F (22.9°C) in October to a refreshing 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 an average temperature fluctuating between 41.4°F (5.2°C) and 55°F (12.8°C). December, known for its average high temperature of 55°F (12.8°C) and an average low temperature of 41.4°F (5.2°C), is the coldest month. Weather in December »Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Glen Ellen, California, during the entire year, the rain falls for 73.3 days and collects up to 15.47" (393mm) of precipitation.
The months with the lowest UV index in Glen Ellen are January, February, November and December, with an average maximum UV index of 3.
February is the month with the most rainfall. Rain falls for 8.9 days and accumulates 3.43" (87mm) of precipitation.
With an average relative humidity of 76%, March is the most humid month in Glen Ellen, California.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
The month with the longest days in Glen Ellen is June, with an average of 14h and 48min of daylight.
The months with the highest UV index in Glen Ellen, California, are June and July, with an average maximum UV index of 6.
July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.
July has the most sunshine of the year in Glen Ellen, with an average of 12h of sunshine.
August is the warmest month, exhibiting average temperatures of 82.9°F (28.3°C) at the peak and 54.9°F (12.7°C) at the base.
The least humid month in Glen Ellen is September, with an average relative humidity of 59%.
December is the coldest month in Glen Ellen, California, exhibiting average temperatures of 55°F (12.8°C) at the peak and 41.4°F (5.2°C) at the base.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
With an average of 5.6h of sunshine, December has the least sunshine of the year in Glen Ellen.
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).
Average pressure
Glen Ellen, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Glen Ellen, CA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.4mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5mph - Average wind speed in September:
4.8mph - Average wind speed in October:
4.6mph - Average wind speed in November:
4.4mph - Average wind speed in December:
4.8mph
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).
Average humidity
Glen Ellen, CA
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall
Glen Ellen, CA
- Average rainfall in January:
2.87" - Average rainfall in February:
3.43" - Average rainfall in March:
2.48" - Average rainfall in April:
0.75" - Average rainfall in May:
0.75" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.83" - Average rainfall in November:
1.38" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Glen Ellen, CA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
5.1 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
2.4 days - Average rainfall days in October:
4.6 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
10.6 days
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).
Average daylight / Average sunshine
Glen Ellen, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 30min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 24min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 36min
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).
Average sunshine days
Glen Ellen, CA
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
21.3 days - Average sunshine days in May:
24.1 days - Average sunshine days in June:
26.8 days
- Average sunshine days in July:
28.7 days - Average sunshine days in August:
28.3 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
25.3 days - Average sunshine days in November:
22.9 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).
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).
Average cloud cover
Glen Ellen, CA
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
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).
