December Weather in Willows, United States

Last updated: June 24, 2025

In Willows, United States during December, the average temperature hovers around 10°C (50°F), with minimums dipping to 0°C (33°F) and maximums reaching up to 24°C (76°F). Expect about 72 mm (2.8 in) of precipitation spread over 8 days, accompanied by an average humidity of 83%.

December Temperature in Willows

In December, in Willows, the average temperature is 10°C (50°F). The maximum can reach 24°C (76°F) and the minimum can be as low as 0°C (33°F). This makes it a great time for travelers to experience a range of outdoor activities while enjoying mild weather.

December Weather in Willows: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Willows, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willows, December typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (33°F).

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

December Precipitation in Willows

In Willows in December, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

December Precipitation Trends in Willows

The chart displays monthly precipitation patterns in Willows, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Willows, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Willows

In Willows in December, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

December Average Humidity in Willows

This chart illustrates the average monthly humidity levels in Willows, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Willows is approximately 83%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Willows

In Willows in December, 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 Willows, you can check the information here.

Maximum UV Index Levels in Willows for December

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

Data source: Willows December 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 December Weather in Willows Compares to Other Months

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

This table compares monthly weather conditions in Willows, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	104 mm (4.1 inches)	84%	moderate
February Weather	12°C (53°F)	103 mm (4.0 inches)	84%	moderate
March Weather	13°C (56°F)	79 mm (3.1 inches)	83%	high
April Weather	18°C (64°F)	33 mm (1.3 inches)	81%	very high
May Weather	22°C (72°F)	24 mm (1.0 inches)	74%	extreme
June Weather	28°C (82°F)	5 mm (0.2 inches)	64%	extreme
July Weather	30°C (87°F)	0 mm (0.0 inches)	44%	extreme
August Weather	29°C (85°F)	0 mm (0.0 inches)	36%	very high
September Weather	25°C (78°F)	2 mm (0.1 inches)	44%	very high
October Weather	19°C (67°F)	27 mm (1.0 inches)	65%	high
November Weather	13°C (56°F)	40 mm (1.6 inches)	84%	moderate
December Weather	10°C (50°F)	72 mm (2.8 inches)	83%	moderate