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December Weather in Davis, United States

Last updated: June 24, 2025

In Davis, United States, the average temperature in December hovers around 1°C (34°F). Expect a range of conditions, with the temperature dipping as low as -20°C (-3°F) and reaching up to 18°C (65°F). During this month, precipitation totals around 128 mm (5.1 in) over approximately 16 days, accompanied by a high average humidity of 85%.

December Temperature in Davis

In December in Davis, the average temperature is 1°C (34°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -20°C (-3°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Davis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Davis, December typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (65°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec293439495965706863543934
Data source: Temperature data for Davis 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 Davis

In Davis in December, the total precipitation amount is 128 mm (5.1 in) over the course of 16 days.

December Precipitation Trends in Davis

The chart displays monthly precipitation patterns in Davis, 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 Davis, December typically receives around 128 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec9715112515316914210912712012089128
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Davis

In Davis in December, humidity is 85%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and urging you to seek warmth indoors rather than explore the surroundings.

December Average Humidity in Davis

This chart illustrates the average monthly humidity levels in Davis, 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 Davis is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Davis

In Davis 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 Davis, you can check the information here.

Maximum UV Index Levels in Davis for December

The chart shows the monthly maximum UV Index (UVI) for Davis 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 Davis typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Davis 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 Davis Compares to Other Months

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

This table compares monthly weather conditions in Davis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)97 mm (3.8 inches)86%moderate
February Weather1°C (34°F)151 mm (6.0 inches)86%moderate
March Weather4°C (39°F)125 mm (4.9 inches)86%high
April Weather9°C (49°F)153 mm (6.0 inches)84%very high
May Weather15°C (59°F)169 mm (6.6 inches)78%very high
June Weather19°C (66°F)142 mm (5.6 inches)79%extreme
July Weather21°C (70°F)109 mm (4.3 inches)70%extreme
August Weather20°C (68°F)127 mm (5.0 inches)59%very high
September Weather17°C (63°F)120 mm (4.7 inches)68%very high
October Weather12°C (54°F)120 mm (4.7 inches)80%high
November Weather4°C (39°F)89 mm (3.5 inches)86%moderate
December Weather1°C (34°F)128 mm (5.1 inches)85%moderate

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