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December Weather in Winters, United States

Last updated: June 24, 2025

In December, the average temperature in Winters, United States hovers around 10°C (50°F). Expect a minimum of -4°C (24°F) and the possibility of reaching a maximum of 30°C (86°F). The region experiences an average precipitation of 28 mm (1.1 in) over about 4 days, coupled with a high humidity level of 85% that adds to the overall atmosphere.

December Temperature in Winters

In December in Winters, the average temperature is 10°C (50°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as -4°C (24°F). Be prepared for a wide range of temperatures when traveling during this month!

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

The chart illustrates December temperature patterns in Winters, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winters, December typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec454859657482858477665550
Data source: Temperature data for Winters 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 Winters

In Winters in December, the precipitation amount is 28 mm (1.1 in) over the course of 4 days.

December Precipitation Trends in Winters

The chart displays monthly precipitation patterns in Winters, 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 Winters, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec292562578344244572762428
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Winters

In Winters in December, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

December Average Humidity in Winters

This chart illustrates the average monthly humidity levels in Winters, 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 Winters is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%74%69%70%77%76%66%60%67%72%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Winters

In Winters in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Winters for better planning.

Maximum UV Index Levels in Winters for December

The chart shows the monthly maximum UV Index (UVI) for Winters 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 Winters typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111112121111864
Data source: Winters 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 Winters Compares to Other Months

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

This table compares monthly weather conditions in Winters, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)29 mm (1.2 inches)74%moderate
February Weather9°C (48°F)25 mm (1.0 inches)74%high
March Weather15°C (60°F)62 mm (2.4 inches)68%very high
April Weather18°C (66°F)57 mm (2.2 inches)70%extreme
May Weather24°C (75°F)83 mm (3.3 inches)77%extreme
June Weather28°C (82°F)44 mm (1.7 inches)76%extreme
July Weather29°C (85°F)23 mm (0.9 inches)66%extreme
August Weather29°C (84°F)45 mm (1.8 inches)60%extreme
September Weather25°C (77°F)71 mm (2.8 inches)67%extreme
October Weather19°C (67°F)76 mm (3.0 inches)72%very high
November Weather13°C (56°F)23 mm (0.9 inches)83%high
December Weather10°C (50°F)28 mm (1.1 inches)85%moderate

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