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April Weather in East Missoula, United States

Last updated: June 24, 2025

The average temperature in East Missoula, United States during April is a cool 5°C (42°F). Expect a temperature range that can dip as low as -10°C (14°F) and rise to a maximum of 26°C (80°F). With precipitation amounting to 68 mm (2.7 in) over 15 days, you'll experience a relatively wet month. Additionally, the average humidity is a high 85%, making it a uniquely crisp yet damp environment.

April Temperature in East Missoula

In April in East Missoula, the average temperature is 5°C (42°F). Maximum temperatures can reach 26°C (80°F), while the minimum can drop to as low as -10°C (14°F). Be sure to pack layers to stay comfortable in the varying temperatures during your travels.

April Weather in East Missoula: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in East Missoula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Missoula, April typically has an average temperature of 5°C (42°F), with highs reaching up to 26°C (80°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec262334415261716958433529
Data source: Temperature data for East Missoula 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 East Missoula

In East Missoula in April, the total precipitation amount is 68 mm (2.7 in) recorded over a span of 15 days.

April Precipitation Trends in East Missoula

The chart displays monthly precipitation patterns in East Missoula, 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 East Missoula, April typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec398649686564131828605563
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in East Missoula

In East Missoula in April, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

April Average Humidity in East Missoula

This chart illustrates the average monthly humidity levels in East Missoula, 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 East Missoula 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 East Missoula

In East Missoula in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in East Missoula.

Maximum UV Index Levels in East Missoula for April

The chart shows the monthly maximum UV Index (UVI) for East Missoula 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 East Missoula typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: East Missoula 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 East Missoula Compares to Other Months

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

This table compares monthly weather conditions in East Missoula, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)39 mm (1.5 inches)93%low
February Weather-5°C (23°F)86 mm (3.4 inches)92%moderate
March Weather1°C (35°F)49 mm (1.9 inches)89%high
April Weather5°C (42°F)68 mm (2.7 inches)85%very high
May Weather11°C (52°F)65 mm (2.6 inches)80%very high
June Weather16°C (61°F)64 mm (2.5 inches)78%very high
July Weather22°C (71°F)13 mm (0.5 inches)77%very high
August Weather20°C (69°F)18 mm (0.7 inches)66%very high
September Weather15°C (58°F)27 mm (1.1 inches)67%very high
October Weather6°C (43°F)60 mm (2.4 inches)77%moderate
November Weather1°C (35°F)55 mm (2.2 inches)89%moderate
December Weather-2°C (29°F)63 mm (2.5 inches)95%low

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