January Weather in Glen Ellen, United States

Last updated: June 24, 2025

In Glen Ellen, United States, the average temperature in January hovers around 10°C (50°F), with lows dipping to -1°C (31°F) and highs reaching up to 24°C (76°F). Expect moderate rainfall, with a total precipitation of 125 mm (4.9 in) spread over 9 days. The air is notably hum humid, averaging 86%, making for a refreshing yet brisk atmosphere.

January Temperature in Glen Ellen

In January in Glen Ellen, the average temperature is 10°C (50°F). The maximum can reach 24°C (76°F), and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures during your travels, and pack accordingly!

January Weather in Glen Ellen: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Glen Ellen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glen Ellen, January typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Glen Ellen generated using information from the Copernicus Climate Change Service.

January Precipitation in Glen Ellen

In Glen Ellen in January, the total precipitation amount is 125 mm (4.9 in) recorded over a span of 9 days.

January Precipitation Trends in Glen Ellen

The chart displays monthly precipitation patterns in Glen Ellen, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Glen Ellen, January typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Glen Ellen

In Glen Ellen in January humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

January Average Humidity in Glen Ellen

This chart illustrates the average monthly humidity levels in Glen Ellen, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Glen Ellen is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Glen Ellen

In Glen Ellen in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Glen Ellen, you can check the information here.

Maximum UV Index Levels in Glen Ellen for January

The chart shows the monthly maximum UV Index (UVI) for Glen Ellen in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Glen Ellen typically reaches 3, which falls under the moderate exposure category.

Data source: Glen Ellen January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Glen Ellen Compares to Other Months

Weather in Glen Ellen varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Glen Ellen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Glen Ellen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	125 mm (4.9 inches)	86%	moderate
February Weather	11°C (52°F)	127 mm (5.0 inches)	84%	moderate
March Weather	12°C (54°F)	84 mm (3.3 inches)	83%	high
April Weather	14°C (58°F)	36 mm (1.4 inches)	80%	very high
May Weather	17°C (62°F)	21 mm (0.8 inches)	80%	very high
June Weather	20°C (68°F)	1 mm (0.1 inches)	76%	extreme
July Weather	20°C (68°F)	0 mm (0.0 inches)	70%	extreme
August Weather	20°C (68°F)	0 mm (0.0 inches)	66%	very high
September Weather	20°C (68°F)	1 mm (0.0 inches)	68%	very high
October Weather	17°C (63°F)	33 mm (1.3 inches)	72%	high
November Weather	12°C (55°F)	50 mm (2.0 inches)	84%	moderate
December Weather	10°C (50°F)	94 mm (3.7 inches)	84%	moderate