nomadseason

December Weather in Salmon, United States

Last updated: June 24, 2025

In Salmon, United States, the average temperature in December hovers around -9°C (17°F), offering a chilly embrace. Expect minimums plummeting to -33°C (-28°F), while the rare warm whispers can reach up to 8°C (47°F). During this month, 54 mm (2.1 in) of precipitation graces the area over 13 days, contributing to an atmosphere of near-constant dampness with an average humidity of 96%.

December Temperature in Salmon

In December in Salmon, the average temperature is -9°C (17°F). The maximum can reach 8°C (47°F), while the minimum can be as low as -33°C (-28°F). Travelers should be prepared for cold weather and dress warmly to enjoy the winter scenery.

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

The chart illustrates December temperature patterns in Salmon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salmon, December typically has an average temperature of -9°C (17°F), with highs reaching up to 8°C (47°F) and lows dropping to around -33°C (-28°F).
JanFebMarAprMayJunJulAugSepOctNovDec172029344556666455372616
Data source: Temperature data for Salmon generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Salmon

In Salmon in December, the precipitation amount is 54 mm (2.1 in), falling over the course of 13 days.

December Precipitation Trends in Salmon

The chart displays monthly precipitation patterns in Salmon, 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 Salmon, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec459061678098253041585454
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Salmon

In Salmon in December humidity is 96%. With an average temperature of -9°C (17°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm.

December Average Humidity in Salmon

This chart illustrates the average monthly humidity levels in Salmon, 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 Salmon is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%91%87%83%80%75%66%66%77%92%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Salmon

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

Maximum UV Index Levels in Salmon for December

The chart shows the monthly maximum UV Index (UVI) for Salmon 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 Salmon typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111108642
Data source: Salmon 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 Salmon Compares to Other Months

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

This table compares monthly weather conditions in Salmon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)45 mm (1.8 inches)94%moderate
February Weather-7°C (20°F)90 mm (3.5 inches)93%moderate
March Weather-2°C (30°F)61 mm (2.4 inches)91%high
April Weather1°C (35°F)67 mm (2.6 inches)87%very high
May Weather7°C (45°F)80 mm (3.2 inches)83%extreme
June Weather13°C (56°F)97 mm (3.8 inches)80%extreme
July Weather19°C (66°F)25 mm (1.0 inches)75%extreme
August Weather18°C (64°F)30 mm (1.2 inches)66%very high
September Weather13°C (55°F)41 mm (1.6 inches)66%very high
October Weather3°C (38°F)58 mm (2.3 inches)77%high
November Weather-3°C (27°F)54 mm (2.1 inches)91%moderate
December Weather-9°C (17°F)54 mm (2.1 inches)96%low

Compare Salmon's Climate with Cities Worldwide