TODAY OCT24
TEMPERATURE53
HUMIDITY
PRESSURE
WIND COND.
  • 6436Wed
  • 6139Thu
  • 5938Fri
  • 5832Sat
  • 5937Sun
daynightWeather update from CONRAD AG RC at
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Shelby Average Temperature

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
January14°F35°F24°F0.1"
February15°F37°F25°F0.1"
March23°F46°F33°F0.2"
April29°F54°F41°F0.4"
May38°F64°F50°F1.8"
June45°F72°F58°F2.7"
July51°F84°F67°F1.0"
August48°F81°F64°F0.6"
September41°F72°F55°F1.8"
October32°F55°F42°F0.5"
November25°F45°F34°F0.1"
December11°F31°F21°F0.1"

Did you know?

  • The highest monthly average temperature in Shelby for July is 67 degrees.
  • The lowest monthly average temperature in Shelby for December is 21 degrees.
  • The most monthly precipitation in Shelby occurs in June with 2.7 inches.
  • The air quality index in Shelby is 47% better than the national average.
  • The pollution index in Shelby is 94% better than the national average.

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Shelby 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.
IndexShelbyMontanaNational
Air quality index263450
Pollution index284,954685,9255,066,862

Shelby air quality information

MeasurementTotal
Days measured337
Days with good air quality311
Days with moderate air quality26
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Shelby air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.000%
Lead0.003%
Mercury0.000%

Average monthly Shelby temperature with heat index

Shelby monthly precipitation with daily maximum

Shelby monthly snow depth with daily maximum

Shelby monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Shelby, MT3,1602648%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
New Bremen, OH3,1593040%
Pocono Woodland Lakes, PA3,1623922%
Bishop, TX3,1583138%
DeQuincy, LA3,1584216%
East Oakdale, CA3,1575510%
Shelby, MT3,1602648%
Source: The Shelby, 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.