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December Weather in Sandston, United States

Last updated: June 24, 2025

In December, the average temperature in Sandston, United States hovers around 7°C (44°F), with a minimum dipping to a chilly -8°C (18°F) and a maximum reaching a pleasant 22°C (72°F). Expect 91 mm (3.6 in) of precipitation spread across 9 days, contributing to an average humidity of 84%. Stay prepared for the blend of cool and damp conditions!

December Temperature in Sandston

In December in Sandston, the average temperature is 7°C (44°F). Maximums can reach 22°C (72°F) and minimums can be as low as -8°C (18°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates December temperature patterns in Sandston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandston, December typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (72°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550606876817873645044
Data source: Temperature data for Sandston 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 Sandston

In Sandston in December, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

December Precipitation Trends in Sandston

The chart displays monthly precipitation patterns in Sandston, 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 Sandston, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7299771061031241181681031277591
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sandston

In Sandston in December humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.

December Average Humidity in Sandston

This chart illustrates the average monthly humidity levels in Sandston, 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 Sandston is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%82%81%80%82%81%81%78%80%84%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sandston

In Sandston 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 Sandston, you can check the information here.

Maximum UV Index Levels in Sandston for December

The chart shows the monthly maximum UV Index (UVI) for Sandston 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 Sandston typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101010108753
Data source: Sandston 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 Sandston Compares to Other Months

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

This table compares monthly weather conditions in Sandston, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)72 mm (2.8 inches)84%moderate
February Weather7°C (45°F)99 mm (3.9 inches)83%high
March Weather10°C (50°F)77 mm (3.0 inches)82%high
April Weather15°C (60°F)106 mm (4.2 inches)81%very high
May Weather20°C (69°F)103 mm (4.0 inches)80%very high
June Weather24°C (76°F)124 mm (4.9 inches)82%very high
July Weather27°C (81°F)118 mm (4.6 inches)81%very high
August Weather26°C (78°F)168 mm (6.6 inches)81%very high
September Weather23°C (74°F)103 mm (4.1 inches)78%very high
October Weather18°C (64°F)127 mm (5.0 inches)80%high
November Weather10°C (50°F)75 mm (3.0 inches)84%moderate
December Weather7°C (44°F)91 mm (3.6 inches)84%moderate

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