March Weather in Polson, United States

Last updated: June 24, 2025

In March, the average temperature in Polson, United States hovers around 1°C (34°F), with extremes ranging from a chilling -24°C (-10°F) to a mild 18°C (65°F). Expect a significant precipitation amount of 53 mm (2.1 in) spread over approximately 15 days, contributing to an average humidity of a damp 89%.

March Temperature in Polson

In March in Polson, the average temperature is 1°C (34°F), with maximums reaching up to 18°C (65°F) and minimums dipping as low as -24°C (-10°F). Be prepared for a wide range of temperatures if you plan to visit during this time!

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

The chart illustrates March 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, March typically has an average temperature of 1°C (34°F), with highs reaching up to 18°C (65°F) and lows dropping to around -24°C (-10°F).

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

March Precipitation in Polson

In Polson in March, the precipitation amount is 53 mm (2.1 in) spread over 15 days.

March Precipitation Trends in Polson

The chart displays monthly precipitation patterns in Polson, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Polson, March typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 15 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Polson

In Polson in March humidity is 89%. With an average temperature of 1°C (34°F), this humidity feels like a chilling dampness that seeps into your bones, making travel uncomfortable and requiring extra layers to combat the cold and moisture.

March Average Humidity in Polson

This chart illustrates the average monthly humidity levels in Polson, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Polson is approximately 89%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Polson

In Polson in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Polson, you can refer to this Hourly UV Index in Polson.

Maximum UV Index Levels in Polson for March

The chart shows the monthly maximum UV Index (UVI) for Polson in March, 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 March, the maximum UV index in Polson typically reaches 6, which falls under the high exposure category.

Data source: Polson March 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 March 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 March’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 March’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