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December Weather in Danville, United States

Last updated: June 24, 2025

In December, the average temperature in Danville, United States hovers around 2°C (36°F), with lows plunging to -16°C (3°F) and highs reaching 18°C (64°F). Expect a precipitation level of 95 mm (3.7 in) spread over 11 days, while the air remains notably humid, with an average humidity of 86%.

December Temperature in Danville

In December in Danville, the average temperature is 2°C (36°F). The maximum can reach 18°C (64°F), while the minimum can dip as low as -16°C (3°F). This range indicates that travelers should be prepared for both chilly conditions and the possibility of milder days.

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 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec303341516371757368574135
Data source: Temperature data for Danville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Danville

In Danville in December, the total precipitation amount is 95 mm (3.7 in) spread over 11 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 95 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8210010513212012611380901029395
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Danville

In Danville in December, humidity is 86%. With an average temperature of 2°C (36°F), this humidity feels like a biting chill that clings to your skin, making outdoor exploration uncomfortable and dampening any enthusiasm for travel.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
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 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Danville, you can visit Hourly UV Index in Danville.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)82 mm (3.2 inches)88%moderate
February Weather1°C (33°F)100 mm (3.9 inches)88%moderate
March Weather5°C (41°F)105 mm (4.1 inches)87%high
April Weather11°C (51°F)132 mm (5.2 inches)87%very high
May Weather17°C (63°F)120 mm (4.7 inches)81%very high
June Weather22°C (71°F)126 mm (5.0 inches)83%very high
July Weather24°C (75°F)113 mm (4.5 inches)82%very high
August Weather23°C (73°F)80 mm (3.1 inches)76%very high
September Weather20°C (68°F)90 mm (3.6 inches)77%very high
October Weather14°C (57°F)102 mm (4.0 inches)82%high
November Weather5°C (42°F)93 mm (3.7 inches)89%moderate
December Weather2°C (36°F)95 mm (3.7 inches)86%low

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