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April Weather in Kalispell, United States

Last updated: June 24, 2025

In April, the average temperature in Kalispell, United States is a crisp 4°C (39°F). The weather can vary significantly, with minimums dipping to -15°C (5°F) and maximums soaring to 25°C (77°F). Expect 87 mm (3.4 in) of precipitation over about 17 days, contributing to an average humidity of 84%. Stay prepared for a mix of chilly and damp days!

April Temperature in Kalispell

In April in Kalispell, the average temperature is 4°C (39°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -15°C (5°F). This range makes it essential for travelers to pack accordingly, ensuring both warmth for the chill and comfort for the occasional warmth.

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

The chart illustrates April temperature patterns in Kalispell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalispell, April typically has an average temperature of 4°C (39°F), with highs reaching up to 25°C (77°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec241932395058666555413328
Data source: Temperature data for Kalispell 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 Kalispell

In Kalispell in April, the precipitation amount is 87 mm (3.4 in) over the course of 17 days.

April Precipitation Trends in Kalispell

The chart displays monthly precipitation patterns in Kalispell, 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 Kalispell, April typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec608761887167232750768281
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Kalispell

In Kalispell in April, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

April Average Humidity in Kalispell

This chart illustrates the average monthly humidity levels in Kalispell, 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 Kalispell is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%84%78%77%79%69%69%78%87%94%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kalispell

In Kalispell 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 Kalispell.

Maximum UV Index Levels in Kalispell for April

The chart shows the monthly maximum UV Index (UVI) for Kalispell 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 Kalispell typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Kalispell 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 Kalispell Compares to Other Months

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

This table compares monthly weather conditions in Kalispell, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)60 mm (2.4 inches)93%low
February Weather-7°C (20°F)87 mm (3.4 inches)91%moderate
March Weather0°C (32°F)61 mm (2.4 inches)88%high
April Weather4°C (39°F)87 mm (3.4 inches)84%high
May Weather10°C (50°F)71 mm (2.8 inches)78%very high
June Weather15°C (59°F)67 mm (2.7 inches)77%very high
July Weather19°C (67°F)23 mm (0.9 inches)79%very high
August Weather18°C (66°F)27 mm (1.0 inches)69%very high
September Weather13°C (56°F)50 mm (2.0 inches)69%high
October Weather5°C (42°F)76 mm (3.0 inches)78%moderate
November Weather1°C (34°F)82 mm (3.2 inches)87%moderate
December Weather-2°C (28°F)81 mm (3.2 inches)94%low

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