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December Weather in Coloma, United States

Last updated: June 24, 2025

In December, the average temperature in Coloma, United States hovers around 2°C (35°F). While you may experience chilly nights with a minimum of -17°C (1°F), daytime can reach a comfortable maximum of 15°C (60°F). Expect approximately 67 mm (2.6 in) of precipitation spread over 11 days, contributing to an overall average humidity of 86%.

December Temperature in Coloma

In December in Coloma, the average temperature is 2°C (35°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop as low as -17°C (1°F). Be prepared for a wide range of temperatures when traveling to Coloma during this time.

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

The chart illustrates December temperature patterns in Coloma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coloma, December typically has an average temperature of 2°C (35°F), with highs reaching up to 15°C (60°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec282837465870757367554135
Data source: Temperature data for Coloma 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 Coloma

In Coloma in December, the total precipitation amount is 67 mm (2.6 in) over the course of 11 days.

December Precipitation Trends in Coloma

The chart displays monthly precipitation patterns in Coloma, 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 Coloma, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec74737910215113310678751467267
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Coloma

In Coloma in December humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

December Average Humidity in Coloma

This chart illustrates the average monthly humidity levels in Coloma, 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 Coloma is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Coloma

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

Maximum UV Index Levels in Coloma for December

The chart shows the monthly maximum UV Index (UVI) for Coloma 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 Coloma typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Coloma 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 Coloma Compares to Other Months

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

This table compares monthly weather conditions in Coloma, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)74 mm (2.9 inches)87%low
February Weather-2°C (29°F)73 mm (2.9 inches)87%moderate
March Weather3°C (37°F)79 mm (3.1 inches)86%moderate
April Weather8°C (46°F)102 mm (4.0 inches)87%very high
May Weather14°C (58°F)151 mm (5.9 inches)82%very high
June Weather21°C (70°F)133 mm (5.3 inches)81%very high
July Weather24°C (75°F)106 mm (4.2 inches)78%very high
August Weather23°C (73°F)78 mm (3.1 inches)79%very high
September Weather20°C (67°F)75 mm (3.0 inches)79%high
October Weather13°C (56°F)146 mm (5.7 inches)82%moderate
November Weather5°C (42°F)72 mm (2.8 inches)87%moderate
December Weather2°C (35°F)67 mm (2.6 inches)86%low

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