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December Weather in Bigfork, United States

Last updated: June 24, 2025

In Bigfork, United States, the weather in December is a chilly affair, with an average temperature of -1°C (31°F). Temperatures can dip as low as -16°C (3°F), while the highs reach up to 13°C (55°F). Expect a fair bit of rain too, with an average precipitation of 102 mm (4.0 in) spread over 20 days. Humidity levels hover around a brisk 95%, making it essential to bundle up!

December Temperature in Bigfork

In December in Bigfork, the average temperature is -1°C (31°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both chilly and milder conditions.

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

The chart illustrates December temperature patterns in Bigfork, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bigfork, December typically has an average temperature of -1°C (31°F), with highs reaching up to 13°C (55°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec282332384856666658443631
Data source: Temperature data for Bigfork 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 Bigfork

In Bigfork in December, the total precipitation amount is 102 mm (4.0 in) spread over a period of 20 days.

December Precipitation Trends in Bigfork

The chart displays monthly precipitation patterns in Bigfork, 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 Bigfork, December typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec691036482696418285991101102
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bigfork

In Bigfork in December, humidity is 95%. With an average temperature of -1°C (31°F), this humidity feels like an icy weight on your skin, making travel uncomfortable and every breath a challenge as the cold dampness clings to your clothes.

December Average Humidity in Bigfork

This chart illustrates the average monthly humidity levels in Bigfork, 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 Bigfork is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bigfork

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

Maximum UV Index Levels in Bigfork for December

The chart shows the monthly maximum UV Index (UVI) for Bigfork 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 Bigfork typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Bigfork 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 Bigfork Compares to Other Months

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

This table compares monthly weather conditions in Bigfork, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)69 mm (2.7 inches)93%low
February Weather-5°C (23°F)103 mm (4.1 inches)92%moderate
March Weather0°C (32°F)64 mm (2.5 inches)89%high
April Weather4°C (39°F)82 mm (3.2 inches)85%high
May Weather9°C (49°F)69 mm (2.7 inches)80%very high
June Weather14°C (57°F)63 mm (2.5 inches)78%very high
July Weather19°C (66°F)18 mm (0.7 inches)77%very high
August Weather19°C (67°F)27 mm (1.1 inches)66%very high
September Weather14°C (58°F)59 mm (2.3 inches)67%high
October Weather7°C (45°F)91 mm (3.6 inches)77%moderate
November Weather2°C (37°F)101 mm (4.0 inches)89%moderate
December Weather-1°C (31°F)102 mm (4.0 inches)95%low

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