January Weather in Willits, United States

Last updated: June 24, 2025

In January, the average temperature in Willits, United States hovers around 6°C (44°F). Expect a range with minimums dipping to -6°C (21°F) and maximums reaching up to 21°C (70°F). The region experiences about 195 mm (7.7 in) of precipitation over 13 days, paired with a notably high average humidity of 86%.

January Temperature in Willits

In January in Willits, the average temperature is 6°C (44°F). Maximums can reach 21°C (70°F), while minimums can drop to as low as -6°C (21°F). Be sure to pack layers to stay comfortable during your travels!

January Weather in Willits: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Willits, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willits, January typically has an average temperature of 6°C (44°F), with highs reaching up to 21°C (70°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Willits

In Willits in January, the precipitation amount is 195 mm (7.7 in) spread over 13 days, highlighting a significant level of rainfall for the region.

January Precipitation Trends in Willits

The chart displays monthly precipitation patterns in Willits, 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 Willits, January typically receives around 195 mm (7.7 inches) of precipitation spread over approximately 13 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 Willits

In Willits in January, humidity is 86%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities quite uncomfortable for traveling.

January Average Humidity in Willits

This chart illustrates the average monthly humidity levels in Willits, 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 Willits 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 Willits

In Willits 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 Willits, you can check the information here.

Maximum UV Index Levels in Willits for January

The chart shows the monthly maximum UV Index (UVI) for Willits 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 Willits typically reaches 3, which falls under the moderate exposure category.

Data source: Willits 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 Willits Compares to Other Months

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

This table compares monthly weather conditions in Willits, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	195 mm (7.7 inches)	86%	moderate
February Weather	7°C (45°F)	193 mm (7.6 inches)	84%	moderate
March Weather	8°C (47°F)	147 mm (5.8 inches)	83%	high
April Weather	11°C (52°F)	86 mm (3.4 inches)	80%	very high
May Weather	14°C (58°F)	59 mm (2.3 inches)	80%	extreme
June Weather	19°C (66°F)	5 mm (0.2 inches)	76%	extreme
July Weather	22°C (73°F)	1 mm (0.0 inches)	70%	extreme
August Weather	22°C (72°F)	2 mm (0.1 inches)	66%	extreme
September Weather	19°C (66°F)	11 mm (0.4 inches)	68%	very high
October Weather	15°C (58°F)	61 mm (2.4 inches)	72%	high
November Weather	10°C (50°F)	108 mm (4.3 inches)	84%	moderate
December Weather	6°C (44°F)	132 mm (5.2 inches)	84%	moderate