TODAY JUN21
TEMPERATURE79
HUMIDITY49
PRESSURE29.95
WIND COND.170 10.3
  • 7357Fri40%50%
  • 7555Sat40%40%
  • 7556Sun40%20%
  • 8157Mon
  • 8256Tue30%
daynightWeather update from Miles City, Frank Wiley Field Airport at

Colstrip 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-34°F60°F22°F0.0"
February-17°F63°F25°F0.2"
March-15°F78°F36°F0.7"
April12°F84°F46°F1.4"
May24°F93°F56°F2.9"
June36°F101°F66°F2.7"
July46°F110°F77°F0.6"
August45°F104°F73°F0.9"
September30°F102°F62°F0.8"
October6°F93°F45°F1.1"
November-9°F75°F36°F0.3"
December-24°F62°F19°F0.2"

Did you know?

  • The highest monthly average temperature in Colstrip for July is 77 degrees.
  • The lowest monthly average temperature in Colstrip for December is 19 degrees.
  • The most monthly precipitation in Colstrip occurs in May with 2.9 inches.
  • The air quality index in Colstrip is 27% better than the national average.
  • The pollution index in Colstrip is 88% better than the national average.

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Compare Colstrip, MT Weather To Other Cities

Colstrip 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.
IndexColstripMontanaNational
Air quality index363450
Pollution index562,118685,9255,066,862

Colstrip air quality information

MeasurementTotal
Days measured365
Days with good air quality351
Days with moderate air quality14
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Colstrip air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.002%
Mercury0.000%

Average monthly Colstrip temperature with heat index

Colstrip monthly precipitation with daily maximum

Colstrip monthly snow depth with daily maximum

Colstrip monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Colstrip, MT2,2883628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Adamsville, TN2,288335570%
Wynnewood, OK2,2884314%
Fort Kent, ME2,2883138%
Aptos Hills-Larkin Valley, CA2,2883628%
Rossmoyne, OH2,287548%
Colstrip, MT2,2883628%
Source: The Colstrip, 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.