Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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). Glen Ellen experiences a consistent average temperature of 42.1°F (5.6°C) throughout the nights in January.Humidity
In Glen Ellen, the average relative humidity in January is 74%.Rainfall
In Glen Ellen, California, during January, the rain falls for 10.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Glen Ellen, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Daylight
The average length of the day in January in Glen Ellen is 9h and 52min.On the first day of the month, sunrise is at 7:27 am and sunset at 5:00 pm. On the last day of January, in Glen Ellen, sunrise is at 7:16 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January in Glen Ellen is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during January translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Glen Ellen?
What is the average humidity in January in Glen Ellen?
How much does it rain in Glen Ellen in January?
How many hours of daylight does Glen Ellen have in January?
When are sunrise and sunset in January in Glen Ellen?
How many hours of sunshine does Glen Ellen have in January?
What are the months with the lowest UV index in Glen Ellen?
How high is the UV index in January in Glen Ellen?
Average temperature in January
Glen Ellen, CA
- Average high temperature in January: 56.3°F
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).
- Average low temperature in January: 42.1°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 in January
Glen Ellen, CA
- Average pressure in January: 30.13"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 in January
Glen Ellen, CA
- Average wind speed in January: 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 in January
Glen Ellen, CA
- Average humidity in January: 74%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall in January
Glen Ellen, CA
- Average rainfall in January: 2.87"
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 in January
Glen Ellen, CA
- Average rainfall days in January: 10.4 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 in January /
Average sunshine in January
Glen Ellen, CA
- Average daylight in January: 9h and 5min
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 4min
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 in January
Glen Ellen, CA
- Average sunshine days in January: 19.9 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 in January
Glen Ellen, CA
- Average UV index in January: 3
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 in January
Glen Ellen, CA
- Average cloud cover in January: 37
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 in January
Glen Ellen, CA
- Average visibility in January: 6mi
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).
Glen Ellen, California, USA
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