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October Weather in East Missoula, United States

Last updated: June 24, 2025

In October, the average temperature in East Missoula, United States hovers around 6°C (43°F). While you might experience a chilly minimum of -23°C (-9°F), the mercury can rise to a comfortable maximum of 27°C (82°F). During this month, prepare for approximately 60 mm (2.4 in) of precipitation spread over 11 days, contributing to an average humidity of 77%.

October Temperature in East Missoula

In October in East Missoula, the average temperature is 6°C (43°F), with maximums reaching 27°C (82°F) and minimums plummeting to -23°C (-9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October 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, October typically has an average temperature of 6°C (43°F), with highs reaching up to 27°C (82°F) and lows dropping to around -23°C (-9°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.

October Precipitation in East Missoula

In East Missoula in October, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

October Precipitation Trends in East Missoula

The chart displays monthly precipitation patterns in East Missoula, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In East Missoula, October typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec398649686564131828605563
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in East Missoula

In East Missoula in October humidity is 77%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and stay active while exploring the area.

October Average Humidity in East Missoula

This chart illustrates the average monthly humidity levels in East Missoula, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in East Missoula is approximately 77%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in East Missoula

In East Missoula in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in East Missoula.

Maximum UV Index Levels in East Missoula for October

The chart shows the monthly maximum UV Index (UVI) for East Missoula in October, 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 October, the maximum UV index in East Missoula typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: East Missoula October 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 October 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 October’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 October’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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