nomadseason

May Weather in Polson, United States

Last updated: June 24, 2025

In Polson, United States during May, the average temperature hovers around 11°C (52°F). However, temperatures can swing from a chilly -5°C (24°F) to a warm 30°C (86°F). Expect 71 mm (2.8 in) of precipitation over approximately 13 days, contributing to an average humidity of 80%. Whether you’re braving the cold or enjoying the warm spells, be prepared for a diverse range of weather!

May Temperature in Polson

In May in Polson, the average temperature is 11°C (52°F). The maximum can reach 30°C (86°F), and the minimum can be as low as -5°C (24°F). Be prepared for a wide range of temperatures and plan your activities accordingly when traveling during this time.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (52°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec262334415260696858433529
Data source: Temperature data for Polson 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.

May Precipitation in Polson

In Polson in May, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

May Precipitation Trends in Polson

The chart displays monthly precipitation patterns in Polson, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Polson, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec518953787159162439717471
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Polson

In Polson in May, humidity is 80%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as you navigate through the thick, languid air.

May Average Humidity in Polson

This chart illustrates the average monthly humidity levels in Polson, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Polson is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Polson

In Polson in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Polson.

Maximum UV Index Levels in Polson for May

The chart shows the monthly maximum UV Index (UVI) for Polson in May, 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 May, the maximum UV index in Polson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Polson May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather1°C (34°F)53 mm (2.1 inches)89%high
April Weather5°C (41°F)78 mm (3.1 inches)85%high
May Weather11°C (52°F)71 mm (2.8 inches)80%very high
June Weather16°C (60°F)59 mm (2.3 inches)78%very high
July Weather21°C (69°F)16 mm (0.6 inches)77%very high
August Weather20°C (68°F)24 mm (0.9 inches)66%very high
September Weather14°C (58°F)39 mm (1.5 inches)67%high
October Weather6°C (44°F)71 mm (2.8 inches)77%moderate
November Weather2°C (35°F)74 mm (2.9 inches)89%moderate
December Weather-1°C (30°F)71 mm (2.8 inches)95%low

Compare Polson's Climate with Cities Worldwide