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December Weather in Fort Hall, United States

Last updated: June 24, 2025

In December, the average temperature in Fort Hall, United States hovers around -2°C (28°F), with a chilling minimum of -14°C (8°F) and a surprising maximum of 14°C (57°F). This time of year also brings 42 mm (1.6 in) of precipitation spread over 9 days, contributing to an average humidity of 87%. Bundle up and be prepared for wet and chilly conditions!

December Temperature in Fort Hall

In December, in Fort Hall, the weather can be quite chilly, so it's essential to pack warm clothing for your trip.

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

The chart illustrates December temperature patterns in Fort Hall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Hall, December typically has an average temperature of -2°C (28°F), with highs reaching up to 14°C (57°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec263039475667767363473728
Data source: Temperature data for Fort Hall 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 Hall

In Fort Hall in December, the precipitation amount is 42 mm (1.6 in) over the course of 9 days.

December Precipitation Trends in Fort Hall

The chart displays monthly precipitation patterns in Fort Hall, 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 Hall, December typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec41514546462391325352742
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fort Hall

In Fort Hall in December, humidity is 87%. With an average temperature of -2°C (28°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

December Average Humidity in Fort Hall

This chart illustrates the average monthly humidity levels in Fort Hall, 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 Hall is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fort Hall

In Fort Hall 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 Hall, you can check the information here.

Maximum UV Index Levels in Fort Hall for December

The chart shows the monthly maximum UV Index (UVI) for Fort Hall 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 Hall typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Fort Hall 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 Hall Compares to Other Months

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

This table compares monthly weather conditions in Fort Hall, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)41 mm (1.6 inches)91%moderate
February Weather-1°C (30°F)51 mm (2.0 inches)92%moderate
March Weather4°C (39°F)45 mm (1.8 inches)85%high
April Weather8°C (47°F)46 mm (1.8 inches)76%very high
May Weather13°C (56°F)46 mm (1.8 inches)66%very high
June Weather19°C (67°F)23 mm (0.9 inches)62%extreme
July Weather24°C (76°F)9 mm (0.3 inches)53%extreme
August Weather23°C (73°F)13 mm (0.5 inches)42%very high
September Weather17°C (63°F)25 mm (1.0 inches)46%very high
October Weather8°C (47°F)34 mm (1.4 inches)64%high
November Weather3°C (38°F)27 mm (1.1 inches)83%moderate
December Weather-2°C (28°F)42 mm (1.6 inches)87%moderate

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