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December Weather in Silver Spring, United States

Last updated: June 24, 2025

In Silver Spring, United States, the average temperature in December hovers around 5°C (41°F). Temperature extremes can range from a chilly -10°C (13°F) to a pleasant 20°C (69°F). Expect 93 mm (3.7 in) of precipitation over approximately 9 days, contributing to an average humidity of 84%. 🌧️✨

December Temperature in Silver Spring

In December in Silver Spring, the average temperature is 5°C (41°F), with maximums reaching up to 20°C (69°F) and minimums dropping as low as -10°C (13°F). It's advisable to pack layers to prepare for the wide range of temperatures you'll encounter while traveling.

December Weather in Silver Spring: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Silver Spring, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silver Spring, December typically has an average temperature of 5°C (41°F), with highs reaching up to 20°C (69°F) and lows dropping to around -10°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec374146566675807772624740
Data source: Temperature data for Silver Spring 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 Silver Spring

In Silver Spring in December, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

December Precipitation Trends in Silver Spring

The chart displays monthly precipitation patterns in Silver Spring, 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 Silver Spring, December typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec619887100127118157140951058193
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silver Spring

In Silver Spring in December humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

December Average Humidity in Silver Spring

This chart illustrates the average monthly humidity levels in Silver Spring, 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 Silver Spring is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Silver Spring

In Silver Spring 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 Silver Spring, you can check the information here.

Maximum UV Index Levels in Silver Spring for December

The chart shows the monthly maximum UV Index (UVI) for Silver Spring 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 Silver Spring typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Silver Spring 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 Silver Spring Compares to Other Months

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

This table compares monthly weather conditions in Silver Spring, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)61 mm (2.4 inches)84%moderate
February Weather5°C (41°F)98 mm (3.9 inches)83%moderate
March Weather8°C (46°F)87 mm (3.4 inches)83%high
April Weather14°C (57°F)100 mm (4.0 inches)81%very high
May Weather19°C (66°F)127 mm (5.0 inches)78%very high
June Weather24°C (75°F)118 mm (4.7 inches)79%very high
July Weather27°C (81°F)157 mm (6.2 inches)74%very high
August Weather25°C (77°F)140 mm (5.5 inches)72%very high
September Weather22°C (72°F)95 mm (3.8 inches)75%very high
October Weather17°C (62°F)104 mm (4.1 inches)81%high
November Weather8°C (47°F)81 mm (3.2 inches)85%moderate
December Weather5°C (41°F)93 mm (3.7 inches)84%moderate

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