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December Weather in Osseo, United States

Last updated: June 24, 2025

In December, the average temperature in Osseo, United States hovers around -4°C (25°F), with minimums plunging to -30°C (-22°F) and maximums reaching up to 16°C (62°F). Expect approximately 49 mm (1.9 in) of precipitation spread over 8 days, accompanied by a relatively high average humidity of 85%.

December Temperature in Osseo

In December in Osseo, the average temperature is -4°C (25°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly and milder conditions.

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

The chart illustrates December temperature patterns in Osseo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osseo, December typically has an average temperature of -4°C (25°F), with highs reaching up to 16°C (62°F) and lows dropping to around -30°C (-22°F).
JanFebMarAprMayJunJulAugSepOctNovDec181934445970736963483425
Data source: Temperature data for Osseo 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 Osseo

In Osseo in December, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

December Precipitation Trends in Osseo

The chart displays monthly precipitation patterns in Osseo, 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 Osseo, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec3451571001351521161451061215449
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osseo

In Osseo in December, humidity is 85%. With an average temperature of -4°C (25°F), this humidity feels like a damp chill clinging to your skin, making travel outside uncomfortable and leaving you feeling cold and clammy despite the freezing temperatures.

December Average Humidity in Osseo

This chart illustrates the average monthly humidity levels in Osseo, 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 Osseo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osseo

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

Maximum UV Index Levels in Osseo for December

The chart shows the monthly maximum UV Index (UVI) for Osseo 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 Osseo typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458810997532
Data source: Osseo 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 Osseo Compares to Other Months

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

This table compares monthly weather conditions in Osseo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)34 mm (1.3 inches)88%low
February Weather-7°C (19°F)51 mm (2.0 inches)89%moderate
March Weather1°C (34°F)57 mm (2.2 inches)86%moderate
April Weather7°C (44°F)100 mm (3.9 inches)85%very high
May Weather15°C (59°F)135 mm (5.3 inches)79%very high
June Weather21°C (70°F)152 mm (6.0 inches)80%very high
July Weather23°C (73°F)116 mm (4.6 inches)80%very high
August Weather21°C (69°F)145 mm (5.7 inches)78%very high
September Weather17°C (64°F)105 mm (4.2 inches)80%high
October Weather9°C (49°F)121 mm (4.7 inches)84%moderate
November Weather1°C (34°F)54 mm (2.1 inches)89%moderate
December Weather-4°C (25°F)49 mm (1.9 inches)85%low

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