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December Weather in Derby Center, United States

Last updated: June 24, 2025

In Derby Center, United States, the average temperature for December hovers around -5°C (23°F), but conditions can vary widely with minimums dipping to -28°C (-19°F) and maximums reaching 14°C (58°F). Expect a substantial precipitation amount of 84 mm (3.3 in) spread over approximately 16 days, contributing to an average humidity level of 85%. Prepare for a chilly and damp month!

December Temperature in Derby Center

In December in Derby Center, the average temperature is -5°C (23°F), with maximums reaching up to 14°C (58°F) and minimums dipping as low as -28°C (-19°F). Travelers should prepare for a wide range of temperatures, making it essential to pack both warm and surprisingly mild clothing options.

December Weather in Derby Center: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Derby Center, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Derby Center, December typically has an average temperature of -5°C (23°F), with highs reaching up to 14°C (58°F) and lows dropping to around -28°C (-19°F).
JanFebMarAprMayJunJulAugSepOctNovDec171927415462686658473222
Data source: Temperature data for Derby Center 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 Derby Center

In Derby Center in December, the total precipitation amount is 84 mm (3.3 in) spread over 16 days.

December Precipitation Trends in Derby Center

The chart displays monthly precipitation patterns in Derby Center, 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 Derby Center, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec8984831131051171261088414711884
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Derby Center

In Derby Center in December, humidity is 85%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that clings to your skin, making even the briefest outdoor excursions feel daunting and uncomfortable.

December Average Humidity in Derby Center

This chart illustrates the average monthly humidity levels in Derby Center, 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 Derby Center is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Derby Center

In Derby Center 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 Derby Center, you can visit Hourly UV Index in Derby Center.

Maximum UV Index Levels in Derby Center for December

The chart shows the monthly maximum UV Index (UVI) for Derby Center 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 Derby Center typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: Derby Center 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 Derby Center Compares to Other Months

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

This table compares monthly weather conditions in Derby Center, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)89 mm (3.5 inches)91%low
February Weather-7°C (20°F)84 mm (3.3 inches)89%moderate
March Weather-3°C (27°F)83 mm (3.3 inches)85%moderate
April Weather5°C (41°F)113 mm (4.5 inches)84%high
May Weather12°C (54°F)105 mm (4.1 inches)78%very high
June Weather17°C (63°F)117 mm (4.6 inches)72%very high
July Weather20°C (68°F)126 mm (4.9 inches)75%very high
August Weather19°C (66°F)108 mm (4.2 inches)74%very high
September Weather15°C (59°F)84 mm (3.3 inches)77%high
October Weather9°C (48°F)147 mm (5.8 inches)85%moderate
November Weather0°C (33°F)118 mm (4.6 inches)86%moderate
December Weather-5°C (23°F)84 mm (3.3 inches)85%low

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