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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 10°C (50°F). However, brace yourself for temperature fluctuations, with a minimum of -5°C (23°F) and a maximum of 24°C (76°F). The region also experiences a notable precipitation amount of 145 mm (5.7 in) over 12 days, coupled with an average humidity level of 88%, making it a perfect time to prepare for varied weather!

December Temperature in Caledonia

In December in Caledonia, the average temperature is 10°C (50°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as -5°C (23°F). Travelers should prepare for a range of temperatures, ensuring they pack layers for both warmer days and cooler nights.

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 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec465158637278818177675349
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 145 mm (5.7 in) over the course of 12 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 145 mm (5.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec122180164173130135991299110570145
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 88%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and encouraging travelers to seek cozy indoor activities instead.

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 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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 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 Caledonia for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
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 Weather8°C (46°F)121 mm (4.8 inches)85%moderate
February Weather11°C (51°F)180 mm (7.1 inches)84%high
March Weather14°C (58°F)164 mm (6.4 inches)82%very high
April Weather17°C (63°F)173 mm (6.8 inches)82%very high
May Weather22°C (73°F)129 mm (5.1 inches)82%extreme
June Weather26°C (78°F)135 mm (5.3 inches)79%extreme
July Weather27°C (82°F)99 mm (3.9 inches)82%extreme
August Weather27°C (81°F)129 mm (5.1 inches)77%extreme
September Weather25°C (77°F)91 mm (3.6 inches)74%very high
October Weather19°C (67°F)105 mm (4.1 inches)73%high
November Weather11°C (53°F)70 mm (2.8 inches)85%high
December Weather10°C (50°F)145 mm (5.7 inches)88%moderate

Compare Caledonia's Climate with Cities Worldwide