January Weather in Polson, United States

Last updated: June 24, 2025

In January, the average temperature in Polson, United States hovers around -3°C (27°F), with winter's chill bringing minimums as low as -22°C (-8°F) and a maximum of 6°C (44°F). Expect 51 mm (2.0 in) of precipitation spread over approximately 12 days, contributing to a damp atmosphere with an average humidity of 93%. Prepare for a brisk and wet experience!

January Temperature in Polson

In January in Polson, the average temperature is -3°C (27°F), with a maximum that can reach 6°C (44°F) and a minimum that can drop as low as -22°C (-8°F). Be prepared for frigid conditions and dress warmly if you're planning to travel during this time.

January Weather in Polson: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Polson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Polson, January typically has an average temperature of -3°C (27°F), with highs reaching up to 6°C (44°F) and lows dropping to around -22°C (-8°F).

Data source: Temperature data for Polson generated using information from the Copernicus Climate Change Service.

January Precipitation in Polson

In Polson in January, the precipitation amount is 51 mm (2.0 in) spread over 12 days.

January Precipitation Trends in Polson

The chart displays monthly precipitation patterns in Polson, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Polson, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Polson

In Polson in January humidity is 93%. With an average temperature of -3°C (27°F), this humidity feels like a damp chill that seeps through your clothes, making travel uncomfortable and forcing you to bundle up against the biting cold while navigating the wet conditions.

January Average Humidity in Polson

This chart illustrates the average monthly humidity levels in Polson, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Polson is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Polson

In Polson in January, 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 Polson, you can visit Hourly UV Index in Polson.

Maximum UV Index Levels in Polson for January

The chart shows the monthly maximum UV Index (UVI) for Polson in January, 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 January, the maximum UV index in Polson typically reaches 2, which falls under the low exposure category.

Data source: Polson January 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 January Weather in Polson Compares to Other Months

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

This table compares monthly weather conditions in Polson, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	51 mm (2.0 inches)	93%	low
February Weather	-5°C (23°F)	89 mm (3.5 inches)	92%	moderate
March Weather	1°C (34°F)	53 mm (2.1 inches)	89%	high
April Weather	5°C (41°F)	78 mm (3.1 inches)	85%	high
May Weather	11°C (52°F)	71 mm (2.8 inches)	80%	very high
June Weather	16°C (60°F)	59 mm (2.3 inches)	78%	very high
July Weather	21°C (69°F)	16 mm (0.6 inches)	77%	very high
August Weather	20°C (68°F)	24 mm (0.9 inches)	66%	very high
September Weather	14°C (58°F)	39 mm (1.5 inches)	67%	high
October Weather	6°C (44°F)	71 mm (2.8 inches)	77%	moderate
November Weather	2°C (35°F)	74 mm (2.9 inches)	89%	moderate
December Weather	-1°C (30°F)	71 mm (2.8 inches)	95%	low