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December Weather in Richmond, United States

Last updated: June 24, 2025

In Richmond, United States, the average temperature in December is a brisk 2°C (36°F), with temperatures dipping as low as -19°C (-1°F) and peaking at a mild 18°C (64°F). Expect 91 mm (3.6 in) of precipitation spread over approximately 11 days, and prepare for high humidity at an average of 87%.

December Temperature in Richmond

In December in Richmond, the average temperature is 2°C (36°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -19°C (-1°F). It's advisable to pack layers when traveling during this time to stay comfortable amidst the temperature fluctuations.

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

The chart illustrates December temperature patterns in Richmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richmond, 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 -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303442526472767369574136
Data source: Temperature data for Richmond 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 Richmond

In Richmond in December, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

December Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, 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 Richmond, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec78991281041341221088988989791
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Richmond

In Richmond in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

December Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, 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 Richmond is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Richmond

In Richmond 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 Richmond, you can check the information here.

Maximum UV Index Levels in Richmond for December

The chart shows the monthly maximum UV Index (UVI) for Richmond 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 Richmond typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Richmond 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 Richmond Compares to Other Months

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

This table compares monthly weather conditions in Richmond, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)78 mm (3.1 inches)87%moderate
February Weather1°C (34°F)99 mm (3.9 inches)85%moderate
March Weather6°C (42°F)128 mm (5.0 inches)86%high
April Weather11°C (52°F)104 mm (4.1 inches)84%very high
May Weather18°C (64°F)134 mm (5.3 inches)79%very high
June Weather22°C (72°F)122 mm (4.8 inches)82%extreme
July Weather24°C (76°F)108 mm (4.3 inches)79%very high
August Weather23°C (73°F)89 mm (3.5 inches)70%very high
September Weather20°C (69°F)88 mm (3.5 inches)69%very high
October Weather14°C (57°F)98 mm (3.9 inches)76%high
November Weather5°C (42°F)97 mm (3.8 inches)88%moderate
December Weather2°C (36°F)91 mm (3.6 inches)87%moderate

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