TODAY SEP26
TEMPERATURE51°F
HUMIDITY86%
PRESSURE30.11 inHg
WIND COND.270° 3.5 mph
  • 6341Tue
  • 6942Wed
  • 7242Thu
  • 7245Fri
  • 6040Sat
daynightWeather update from Missoula, Missoula International Airport, on 25 Sep 8:53 pm MDT

Missoula Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January-9°F50°F26°F0.6"
February-9°F61°F31°F0.6"
March4°F71°F37°F0.8"
April19°F80°F44°F1.3"
May26°F90°F54°F1.5"
June33°F98°F61°F1.9"
July39°F107°F72°F0.3"
August38°F100°F67°F1.0"
September28°F94°F58°F1.2"
October9°F81°F44°F0.8"
November2°F65°F34°F1.2"
December-16°F50°F23°F0.8"

Did you know?

  • The highest monthly average temperature in Missoula for July is 72 degrees.
  • The lowest monthly average temperature in Missoula for December is 23 degrees.
  • The most monthly precipitation in Missoula occurs in June with 1.9 inches.
  • The air quality index in Missoula is 10% worse than the national average.
  • The pollution index in Missoula is 83% better than the national average.

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Compare Missoula, MT Weather To Other Cities

Missoula air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexMissoulaMontanaNational
Air quality index553450
Pollution index848,303686,9455,100,859

Missoula air quality information

MeasurementTotal
Days measured365
Days with good air quality160
Days with moderate air quality181
Days w/ poor A.Q. for sensitive groups18
Days with unhealthy air quality6

Missoula air quality information

PollutantTotal
Arsenic0.000%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.000%

Average monthly Missoula temperature with heat index

Missoula monthly precipitation with daily maximum

Missoula monthly snow depth with daily maximum

Missoula monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bonner-West Riverside, MT1,7175510%
Turah, MT3615510%
Lolo, MT3,9945510%
Evaro, MT3985510%
Wye, MT3185510%
Missoula, MT68,3775510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Waterloo, IA68,3924314%
Ellicott City, MD68,507468%
Casas Adobes, AZ68,525468%
Rock Hill, SC68,1854216%
Union City, NJ68,001536%
Missoula, MT68,3775510%
Source: The Missoula, MT weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.