TODAY AUG20
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7851Tue
  • 8554Wed
  • 8351Thu
  • 7447Fri
  • 7749Sat
daynightWeather update from PLAINS at

Superior 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
January19°F28°F23°F4.8"
February19°F30°F24°F4.6"
March23°F34°F27°F6.5"
April27°F41°F32°F3.4"
May35°F52°F42°F2.7"
June42°F60°F49°F3.5"
July53°F72°F61°F1.0"
August51°F71°F59°F1.0"
September44°F61°F50°F1.6"
October32°F45°F37°F4.2"
November23°F33°F27°F6.4"
December16°F25°F21°F6.1"

Did you know?

  • The highest monthly average temperature in Superior for July is 61 degrees.
  • The lowest monthly average temperature in Superior for December is 21 degrees.
  • The most monthly precipitation in Superior occurs in March with 6.5 inches.
  • The air quality index in Superior is 10% worse than the national average.
  • The pollution index in Superior is 83% better than the national average.

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Compare Superior, MT Weather To Other Cities

Superior 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.
IndexSuperiorMontanaNational
Air quality index553450
Pollution index848,303685,9255,066,862

Superior 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

Superior air quality information

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

Average monthly Superior temperature with heat index

Superior monthly precipitation with daily maximum

Superior monthly snow depth with daily maximum

Superior monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
St. Regis, MT2075510%
Paradise, MT1705510%
Riverbend, MT5295510%
Superior, MT6515510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Merrillan, WI651355610%
Polo, MO6515816%
Richland, IA6514216%
Fairmont, NE651265430%
Richardton, ND6513432%
Superior, MT6515510%
Source: The Superior, 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.