December Weather in Angwin, United States

Last updated: June 24, 2025

In December, the average temperature in Angwin, United States is a mild 9°C (49°F). Prepare for temperature fluctuations, with a minimum dipping as low as -1°C (30°F) and a maximum reaching 23°C (74°F). Expect about 95 mm (3.7 in) of precipitation over 8 days, accompanied by an average humidity of 84%. Make sure to pack accordingly!

December Temperature in Angwin

In December in Angwin, the average temperature is 9°C (49°F), with maximums reaching up to 23°C (74°F) and minimums dipping as low as -1°C (30°F). Be prepared for a range of temperatures while traveling, ensuring you have both warm and cool clothing options.

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

The chart illustrates December temperature patterns in Angwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Angwin, December typically has an average temperature of 9°C (49°F), with highs reaching up to 23°C (74°F) and lows dropping to around -1°C (30°F).

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

December Precipitation in Angwin

In Angwin in December, the total precipitation amount is 95 mm (3.7 in) spread over 8 days.

December Precipitation Trends in Angwin

The chart displays monthly precipitation patterns in Angwin, 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 Angwin, December typically receives around 95 mm (3.7 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 Angwin

In Angwin in December, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

December Average Humidity in Angwin

This chart illustrates the average monthly humidity levels in Angwin, 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 Angwin is approximately 84%, 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 Angwin

In Angwin 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 Angwin, you can check the information here.

Maximum UV Index Levels in Angwin for December

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

Data source: Angwin 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 Angwin Compares to Other Months

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

This table compares monthly weather conditions in Angwin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	137 mm (5.4 inches)	86%	moderate
February Weather	10°C (51°F)	141 mm (5.6 inches)	84%	moderate
March Weather	11°C (53°F)	92 mm (3.6 inches)	83%	high
April Weather	15°C (59°F)	39 mm (1.5 inches)	80%	very high
May Weather	18°C (64°F)	23 mm (0.9 inches)	80%	very high
June Weather	22°C (72°F)	2 mm (0.1 inches)	76%	extreme
July Weather	23°C (74°F)	0 mm (0.0 inches)	70%	extreme
August Weather	23°C (73°F)	0 mm (0.0 inches)	66%	very high
September Weather	21°C (71°F)	2 mm (0.1 inches)	68%	very high
October Weather	18°C (64°F)	38 mm (1.5 inches)	72%	high
November Weather	12°C (55°F)	51 mm (2.0 inches)	84%	moderate
December Weather	9°C (49°F)	95 mm (3.7 inches)	84%	moderate