nomadseason

May Weather in East Missoula, United States

Last updated: June 24, 2025

In May, the average temperature in East Missoula, United States hovers around 11°C (52°F), offering a mild yet variable climate. Expect a minimum of -4°C (24°F) and a possible maximum of 31°C (87°F). With 65 mm (2.6 in) of precipitation spread over 12 days, it's a good idea to keep an umbrella handy, especially with the average humidity reaching 80%.

May Temperature in East Missoula

In May in East Missoula, the average temperature is 11°C (52°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -4°C (24°F). It’s advisable to pack layers to accommodate the wide temperature range when traveling during this time.

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

The chart illustrates May 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, May typically has an average temperature of 11°C (52°F), with highs reaching up to 31°C (87°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec262334415261716958433529
Data source: Temperature data for East Missoula 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 East Missoula

In East Missoula in May, the precipitation amount is 65 mm (2.6 in) over the course of 12 days.

May Precipitation Trends in East Missoula

The chart displays monthly precipitation patterns in East Missoula, 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 East Missoula, May typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec398649686564131828605563
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in East Missoula

In East Missoula 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 East Missoula

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

In East Missoula 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 East Missoula.

Maximum UV Index Levels in East Missoula for May

The chart shows the monthly maximum UV Index (UVI) for East Missoula 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 East Missoula typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: East Missoula 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 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 May’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 May’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

Compare East Missoula's Climate with Cities Worldwide