December Weather in Danville, United States

Last updated: June 24, 2025

In Danville, United States, the average temperature in December is a chilly 7°C (45°F). Temperatures can dip as low as -9°C (17°F), while reaching a pleasant 22°C (72°F) at the peak. Expect around 98 mm (3.9 in) of precipitation over 9 days, complemented by an average humidity level of 85%.

December Temperature in Danville

In December in Danville, the average temperature is 7°C (45°F). The maximum can reach 22°C (72°F), while the minimum can dip as low as -9°C (17°F). Be prepared for a range of temperatures if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Danville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Danville, December typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (72°F) and lows dropping to around -9°C (17°F).

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

December Precipitation in Danville

In Danville in December, the precipitation amount is 98 mm (3.9 in) spread over a duration of 9 days.

December Precipitation Trends in Danville

The chart displays monthly precipitation patterns in Danville, 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 Danville, December typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 9 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 Danville

In Danville in December, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

December Average Humidity in Danville

This chart illustrates the average monthly humidity levels in Danville, 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 Danville is approximately 85%, 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 Danville

In Danville 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 Danville, you can check the information here.

Maximum UV Index Levels in Danville for December

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

Data source: Danville 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 Danville Compares to Other Months

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

This table compares monthly weather conditions in Danville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	76 mm (3.0 inches)	84%	moderate
February Weather	8°C (46°F)	110 mm (4.3 inches)	84%	high
March Weather	11°C (51°F)	76 mm (3.0 inches)	84%	very high
April Weather	16°C (60°F)	121 mm (4.8 inches)	82%	very high
May Weather	20°C (69°F)	115 mm (4.5 inches)	82%	very high
June Weather	24°C (76°F)	92 mm (3.6 inches)	83%	extreme
July Weather	27°C (81°F)	76 mm (3.0 inches)	79%	very high
August Weather	26°C (78°F)	108 mm (4.2 inches)	77%	very high
September Weather	23°C (73°F)	109 mm (4.3 inches)	75%	very high
October Weather	17°C (64°F)	108 mm (4.3 inches)	81%	very high
November Weather	10°C (49°F)	76 mm (3.0 inches)	87%	moderate
December Weather	7°C (45°F)	98 mm (3.9 inches)	85%	moderate