nomadseason

December Weather in Blacksburg, United States

Last updated: June 24, 2025

In December, the average temperature in Blacksburg, United States hovers around 9°C (48°F), with a possible minimum of -6°C (22°F) and a maximum reaching up to 25°C (78°F). Expect 125 mm (4.9 in) of precipitation spread across 9 days, contributing to an average humidity of a notable 87%. Whether you're braving the chill or enjoying the warmer dips, make sure to prepare for a mix of weather!

December Temperature in Blacksburg

In December in Blacksburg, the average temperature is 9°C (48°F), with maximums reaching 25°C (78°F) and minimums dropping as low as -6°C (22°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates December temperature patterns in Blacksburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blacksburg, December typically has an average temperature of 9°C (48°F), with highs reaching up to 25°C (78°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec455055627177817975665247
Data source: Temperature data for Blacksburg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Blacksburg

In Blacksburg in December, the total precipitation amount is 125 mm (4.9 in) recorded over a span of 9 days.

December Precipitation Trends in Blacksburg

The chart displays monthly precipitation patterns in Blacksburg, 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 Blacksburg, December typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9412094114116869712313310295125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Blacksburg

In Blacksburg in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Blacksburg

This chart illustrates the average monthly humidity levels in Blacksburg, 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 Blacksburg is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Blacksburg

In Blacksburg 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 Blacksburg, you can check the information here.

Maximum UV Index Levels in Blacksburg for December

The chart shows the monthly maximum UV Index (UVI) for Blacksburg 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 Blacksburg typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Blacksburg 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 Blacksburg Compares to Other Months

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

This table compares monthly weather conditions in Blacksburg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)93 mm (3.7 inches)86%moderate
February Weather10°C (50°F)119 mm (4.7 inches)85%high
March Weather13°C (55°F)94 mm (3.7 inches)84%very high
April Weather17°C (63°F)114 mm (4.5 inches)82%very high
May Weather22°C (71°F)116 mm (4.6 inches)83%very high
June Weather25°C (77°F)86 mm (3.4 inches)82%extreme
July Weather27°C (81°F)96 mm (3.8 inches)80%very high
August Weather26°C (79°F)123 mm (4.8 inches)74%very high
September Weather24°C (75°F)133 mm (5.2 inches)75%very high
October Weather19°C (66°F)102 mm (4.0 inches)79%very high
November Weather11°C (52°F)95 mm (3.8 inches)87%moderate
December Weather9°C (48°F)125 mm (4.9 inches)87%moderate

Compare Blacksburg's Climate with Cities Worldwide