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December Weather in Caledonia, United States

Last updated: June 24, 2025

In Caledonia, United States, the average temperature in December hovers around 2°C (35°F). However, be prepared for extremes, with temperatures ranging from a chilling minimum of -21°C (-5°F) to a pleasant maximum of 17°C (64°F). During this month, expect 84 mm (3.3 in) of precipitation spread over 11 days, maintaining a high average humidity of 86%.

December Temperature in Caledonia

In December in Caledonia, the average temperature is 2°C (35°F). Maximums can reach 17°C (64°F) and minimums can be as low as -21°C (-5°F). This climate offers a unique experience for travelers seeking to enjoy both chilly landscapes and the occasional mild day.

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

The chart illustrates December temperature patterns in Caledonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caledonia, December typically has an average temperature of 2°C (35°F), with highs reaching up to 17°C (64°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec293241506271757268574135
Data source: Temperature data for Caledonia 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 Caledonia

In Caledonia, in December, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

December Precipitation Trends in Caledonia

The chart displays monthly precipitation patterns in Caledonia, 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 Caledonia, December typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec78991021201291401208176979484
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caledonia

In Caledonia 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 Caledonia

This chart illustrates the average monthly humidity levels in Caledonia, 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 Caledonia is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caledonia

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

Maximum UV Index Levels in Caledonia for December

The chart shows the monthly maximum UV Index (UVI) for Caledonia 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 Caledonia typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Caledonia 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 Caledonia Compares to Other Months

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

This table compares monthly weather conditions in Caledonia, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)78 mm (3.1 inches)88%moderate
February Weather0°C (32°F)99 mm (3.9 inches)87%moderate
March Weather5°C (41°F)102 mm (4.0 inches)87%high
April Weather10°C (50°F)120 mm (4.7 inches)87%very high
May Weather17°C (62°F)129 mm (5.1 inches)81%very high
June Weather22°C (71°F)140 mm (5.5 inches)82%very high
July Weather24°C (75°F)120 mm (4.7 inches)81%very high
August Weather22°C (72°F)81 mm (3.2 inches)78%very high
September Weather20°C (68°F)76 mm (3.0 inches)78%very high
October Weather14°C (57°F)97 mm (3.8 inches)82%high
November Weather5°C (41°F)94 mm (3.7 inches)89%moderate
December Weather2°C (35°F)84 mm (3.3 inches)86%low

Compare Caledonia's Climate with Cities Worldwide