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December Weather in Fort Duchesne, United States

Last updated: June 24, 2025

In Fort Duchesne, United States, the average temperature in December hovers around -1°C (30°F). Expect chilly days, with temperatures dipping as low as -15°C (6°F) and occasionally rising to a brisk 17°C (63°F). The month also brings approximately 20 mm (0.8 in) of precipitation over 5 days, complemented by a high average humidity of 90%.

December Temperature in Fort Duchesne

In December in Fort Duchesne, the average temperature is -1°C (30°F). The maximum can reach 17°C (63°F), while the minimum can drop as low as -15°C (6°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit.

December Weather in Fort Duchesne: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Fort Duchesne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Duchesne, December typically has an average temperature of -1°C (30°F), with highs reaching up to 17°C (63°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec263244526275827969504030
Data source: Temperature data for Fort Duchesne 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 Fort Duchesne

In Fort Duchesne in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.

December Precipitation Trends in Fort Duchesne

The chart displays monthly precipitation patterns in Fort Duchesne, 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 Fort Duchesne, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec23263217201061015271320
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Duchesne

In Fort Duchesne in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Fort Duchesne

This chart illustrates the average monthly humidity levels in Fort Duchesne, 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 Fort Duchesne is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%85%73%64%57%45%41%50%70%84%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Duchesne

In Fort Duchesne in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Fort Duchesne, you can check the information here.

Maximum UV Index Levels in Fort Duchesne for December

The chart shows the monthly maximum UV Index (UVI) for Fort Duchesne 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 Fort Duchesne typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec368101112121110753
Data source: Fort Duchesne 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 Fort Duchesne Compares to Other Months

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

This table compares monthly weather conditions in Fort Duchesne, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)23 mm (0.9 inches)92%moderate
February Weather0°C (32°F)26 mm (1.0 inches)93%high
March Weather6°C (44°F)32 mm (1.3 inches)85%very high
April Weather11°C (53°F)17 mm (0.7 inches)73%very high
May Weather17°C (63°F)20 mm (0.8 inches)64%extreme
June Weather24°C (75°F)10 mm (0.4 inches)57%extreme
July Weather28°C (82°F)6 mm (0.3 inches)45%extreme
August Weather26°C (79°F)10 mm (0.4 inches)41%extreme
September Weather20°C (69°F)15 mm (0.6 inches)50%very high
October Weather10°C (50°F)27 mm (1.0 inches)70%high
November Weather5°C (41°F)13 mm (0.5 inches)84%moderate
December Weather-1°C (30°F)20 mm (0.8 inches)90%moderate

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