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December Weather in Beaver Dam, United States

Last updated: June 24, 2025

The average temperature in Beaver Dam, United States during December is a cool 6°C (44°F), with temperatures ranging from a brisk -5°C (22°F) to a pleasant 20°C (69°F). Expect 28 mm (1.1 in) of precipitation spread over 5 days and an average humidity of 80%, creating a refreshing atmosphere in this charming destination.

December Temperature in Beaver Dam

In December in Beaver Dam, the average temperature is 6°C (44°F). Maximums can reach 20°C (69°F), and minimums can be as low as -5°C (22°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

December Weather in Beaver Dam: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Beaver Dam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beaver Dam, December typically has an average temperature of 6°C (44°F), with highs reaching up to 20°C (69°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec434755657386908980645444
Data source: Temperature data for Beaver Dam 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 Beaver Dam

In Beaver Dam in December, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

December Precipitation Trends in Beaver Dam

The chart displays monthly precipitation patterns in Beaver Dam, 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 Beaver Dam, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec393235101011087182829
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Beaver Dam

In Beaver Dam in December, humidity is 80%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortable and prompting a desire for cozy, indoor activities instead.

December Average Humidity in Beaver Dam

This chart illustrates the average monthly humidity levels in Beaver Dam, 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 Beaver Dam is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%82%72%62%45%34%30%31%47%62%77%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Beaver Dam

In Beaver Dam 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 Beaver Dam for better planning.

Maximum UV Index Levels in Beaver Dam for December

The chart shows the monthly maximum UV Index (UVI) for Beaver Dam 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 Beaver Dam typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112121110754
Data source: Beaver Dam 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 Beaver Dam Compares to Other Months

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

This table compares monthly weather conditions in Beaver Dam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)39 mm (1.5 inches)80%moderate
February Weather8°C (47°F)32 mm (1.3 inches)82%high
March Weather13°C (55°F)35 mm (1.4 inches)72%very high
April Weather18°C (65°F)10 mm (0.4 inches)62%very high
May Weather23°C (73°F)10 mm (0.4 inches)45%extreme
June Weather30°C (86°F)1 mm (0.0 inches)34%extreme
July Weather32°C (91°F)10 mm (0.4 inches)30%extreme
August Weather32°C (89°F)8 mm (0.3 inches)31%extreme
September Weather27°C (81°F)7 mm (0.3 inches)47%very high
October Weather18°C (64°F)18 mm (0.7 inches)62%high
November Weather12°C (54°F)28 mm (1.1 inches)77%moderate
December Weather6°C (44°F)28 mm (1.1 inches)80%moderate

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