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December Weather in Caledonia, United States

Last updated: June 24, 2025

In December, the average temperature in Caledonia, United States hovers around 0°C (33°F). Expect chilly lows of -19°C (-2°F) and occasional highs reaching 17°C (63°F). During this time, precipitation typically totals 55 mm (2.1 in) over approximately 7 days, contributing to an average humidity of 81%. Stay warm and prepared for a brisk month ahead!

December Temperature in Caledonia

In December in Caledonia, the average temperature is 0°C (33°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -19°C (-2°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.

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 0°C (33°F), with highs reaching up to 17°C (63°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec252636435465727266533932
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 total precipitation amount reaches 55 mm (2.1 in) over the course of 7 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 55 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec666367113146967768891245555
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 81%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill enveloping you, making travel uncomfortable and the air heavy, leaving you craving warmth and dry conditions.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
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-4°C (25°F)66 mm (2.6 inches)85%low
February Weather-3°C (27°F)63 mm (2.5 inches)85%moderate
March Weather2°C (36°F)67 mm (2.6 inches)85%high
April Weather6°C (44°F)113 mm (4.4 inches)85%very high
May Weather12°C (54°F)146 mm (5.7 inches)78%very high
June Weather19°C (66°F)96 mm (3.8 inches)80%very high
July Weather22°C (73°F)77 mm (3.0 inches)78%very high
August Weather22°C (72°F)68 mm (2.7 inches)76%very high
September Weather19°C (66°F)89 mm (3.5 inches)79%very high
October Weather12°C (53°F)124 mm (4.9 inches)83%moderate
November Weather4°C (39°F)55 mm (2.2 inches)88%moderate
December Weather0°C (33°F)55 mm (2.1 inches)81%low

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