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April Weather in Polson, United States

Last updated: June 24, 2025

In Polson, United States, the average temperature in April hovers around 5°C (41°F), with a minimum of -11°C (13°F) and a peak reaching 25°C (77°F). During this time, expect 78 mm (3.1 in) of precipitation spread over 17 days, accompanied by a notable average humidity of 85%. 

April Temperature in Polson

In April in Polson, the average temperature is 5°C (41°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -11°C (13°F). Travelers should be prepared for a wide range of temperatures, making it advisable to pack layers for comfort during their visit.

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

The chart illustrates April 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, April typically has an average temperature of 5°C (41°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec262334415260696858433529
Data source: Temperature data for Polson 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.

April Precipitation in Polson

In Polson in April, the precipitation amount is 78 mm (3.1 in) over a span of 17 days.

April Precipitation Trends in Polson

The chart displays monthly precipitation patterns in Polson, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Polson, April typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec518953787159162439717471
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Polson

In Polson in April, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

April Average Humidity in Polson

This chart illustrates the average monthly humidity levels in Polson, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Polson is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Polson

In Polson in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Polson.

Maximum UV Index Levels in Polson for April

The chart shows the monthly maximum UV Index (UVI) for Polson in April, 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 April, the maximum UV index in Polson typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Polson April 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 April 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 April’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 April’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

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