December Weather in Bayfield, United States

Last updated: June 24, 2025

In December, the average temperature in Bayfield, United States hovers around -5°C (23°F), with monthly lows plunging to a chilly -26°C (-14°F) and highs reaching up to 12°C (54°F). Expect precipitation to accumulate around 62 mm (2.4 in) over approximately 9 days, while average humidity lingers at a brisk 85%. Be prepared for a typical winter atmosphere!

December Temperature in Bayfield

In December in Bayfield, the average temperature is -5°C (23°F). Maximums can reach 12°C (54°F), while minimums can drop as low as -26°C (-14°F). Travelers should prepare for a wide range of temperatures and dress warmly when visiting during this month.

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

The chart illustrates December temperature patterns in Bayfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayfield, December typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (54°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec222633425263686559453523
Data source: Temperature data for Bayfield 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 Bayfield

In Bayfield in December, the precipitation amount is 62 mm (2.4 in) over the course of 9 days.

December Precipitation Trends in Bayfield

The chart displays monthly precipitation patterns in Bayfield, 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 Bayfield, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec577369244022362137483962
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bayfield

In Bayfield in December, humidity is 85%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that clings to your skin, making even the briefest outdoor excursions feel daunting and uncomfortable.

December Average Humidity in Bayfield

This chart illustrates the average monthly humidity levels in Bayfield, 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 Bayfield is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%76%69%53%40%36%44%59%74%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bayfield

In Bayfield 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 Bayfield for better planning.

Maximum UV Index Levels in Bayfield for December

The chart shows the monthly maximum UV Index (UVI) for Bayfield 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 Bayfield typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213131210864
Data source: Bayfield 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 Bayfield Compares to Other Months

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

This table compares monthly weather conditions in Bayfield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)57 mm (2.3 inches)85%moderate
February Weather-4°C (26°F)73 mm (2.9 inches)86%high
March Weather0°C (33°F)69 mm (2.7 inches)76%very high
April Weather6°C (42°F)24 mm (1.0 inches)69%extreme
May Weather11°C (52°F)39 mm (1.6 inches)53%extreme
June Weather17°C (63°F)22 mm (0.9 inches)40%extreme
July Weather20°C (68°F)36 mm (1.4 inches)36%extreme
August Weather19°C (66°F)21 mm (0.8 inches)44%extreme
September Weather15°C (59°F)37 mm (1.4 inches)59%very high
October Weather7°C (45°F)48 mm (1.9 inches)74%very high
November Weather1°C (35°F)39 mm (1.5 inches)83%high
December Weather-5°C (23°F)62 mm (2.4 inches)85%moderate

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