December Weather in Seeley Lake, United States

Last updated: June 24, 2025

In December, the average temperature in Seeley Lake, United States hovers around -6°C (21°F), with extremes reaching as low as -24°C (-10°F) and peaking at 9°C (48°F). The region experiences about 98 mm (3.9 in) of precipitation over 17 days, contributing to a notably high average humidity of 95%.

December Temperature in Seeley Lake

In December in Seeley Lake, the average temperature is -6°C (21°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -24°C (-10°F). Travelers should be prepared for a broad range of temperatures and dress accordingly for both warmer days and frigid nights.

December Weather in Seeley Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Seeley Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seeley Lake, December typically has an average temperature of -6°C (21°F), with highs reaching up to 9°C (48°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec201729344455646252362721
Data source: Temperature data for Seeley Lake 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 Seeley Lake

In Seeley Lake in December, the precipitation amount is 98 mm (3.9 in) over a span of 17 days.

December Precipitation Trends in Seeley Lake

The chart displays monthly precipitation patterns in Seeley Lake, 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 Seeley Lake, December typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec7012579958288233050969498
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Seeley Lake

In Seeley Lake in December, humidity is 95%. With an average temperature of -6°C (21°F), this humidity feels like an icy blanket enveloping you, making the cold air bite even harder as you venture outside, turning each breath into a visible mist and creating a challenging environment for travelers.

December Average Humidity in Seeley Lake

This chart illustrates the average monthly humidity levels in Seeley Lake, 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 Seeley Lake 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 Seeley Lake

In Seeley Lake 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 Seeley Lake, you can visit Hourly UV Index in Seeley Lake.

Maximum UV Index Levels in Seeley Lake for December

The chart shows the monthly maximum UV Index (UVI) for Seeley Lake 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 Seeley Lake typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246810101098532
Data source: Seeley Lake 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 Seeley Lake Compares to Other Months

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

This table compares monthly weather conditions in Seeley Lake, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)70 mm (2.7 inches)93%low
February Weather-8°C (18°F)125 mm (4.9 inches)92%moderate
March Weather-2°C (29°F)78 mm (3.1 inches)89%high
April Weather1°C (34°F)95 mm (3.7 inches)85%very high
May Weather7°C (44°F)82 mm (3.2 inches)80%very high
June Weather13°C (55°F)88 mm (3.5 inches)78%very high
July Weather18°C (64°F)23 mm (0.9 inches)77%very high
August Weather17°C (63°F)30 mm (1.2 inches)66%very high
September Weather11°C (53°F)50 mm (2.0 inches)67%very high
October Weather2°C (37°F)96 mm (3.8 inches)77%moderate
November Weather-3°C (27°F)94 mm (3.7 inches)89%moderate
December Weather-6°C (21°F)98 mm (3.9 inches)95%low

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