December Weather in Sykesville, United States

Last updated: June 24, 2025

In December, the average temperature in Sykesville, United States hovers around 1°C (33°F). Expect a chilly range, with minimums dipping to -16°C (4°F) and maximums reaching up to 17°C (63°F). The month brings about 105 mm (4.1 in) of precipitation spread over 14 days, coupled with a high average humidity of 88%. Stay warm and prepared for the wet conditions!

December Temperature in Sykesville

In December in Sykesville, the average temperature is 1°C (33°F). Maximum temperatures can reach 17°C (63°F), while minimums can drop as low as -16°C (4°F). This diverse range of temperatures suggests that travelers should prepare for both chilly weather and mild conditions during their visit.

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

The chart illustrates December temperature patterns in Sykesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sykesville, December typically has an average temperature of 1°C (33°F), with highs reaching up to 17°C (63°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec273138485967727064543933
Data source: Temperature data for Sykesville 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 Sykesville

In Sykesville in December, the precipitation amount is 105 mm (4.1 in) over the course of 14 days.

December Precipitation Trends in Sykesville

The chart displays monthly precipitation patterns in Sykesville, 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 Sykesville, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec941211011311501271219912111694105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sykesville

In Sykesville in December humidity is 88%. With an average temperature of 1°C (33°F), this humidity feels like a damp chill wrapping around you, making it difficult to stay warm while traveling, as each breath carries a heavy, cold moisture that clings to your skin.

December Average Humidity in Sykesville

This chart illustrates the average monthly humidity levels in Sykesville, 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 Sykesville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sykesville

In Sykesville 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 Sykesville, you can visit Hourly UV Index in Sykesville.

Maximum UV Index Levels in Sykesville for December

The chart shows the monthly maximum UV Index (UVI) for Sykesville 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 Sykesville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101010108642
Data source: Sykesville 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 Sykesville Compares to Other Months

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

This table compares monthly weather conditions in Sykesville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)93 mm (3.7 inches)89%moderate
February Weather-1°C (31°F)121 mm (4.8 inches)90%moderate
March Weather3°C (38°F)101 mm (4.0 inches)89%high
April Weather9°C (48°F)131 mm (5.1 inches)88%very high
May Weather15°C (59°F)150 mm (5.9 inches)80%very high
June Weather19°C (67°F)127 mm (5.0 inches)79%very high
July Weather22°C (72°F)121 mm (4.8 inches)74%very high
August Weather21°C (71°F)99 mm (3.9 inches)64%very high
September Weather18°C (64°F)121 mm (4.8 inches)67%very high
October Weather12°C (54°F)116 mm (4.6 inches)81%high
November Weather4°C (39°F)94 mm (3.7 inches)89%moderate
December Weather1°C (33°F)105 mm (4.1 inches)88%low

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