TODAY AUG20
TEMPERATURE53
HUMIDITY52
PRESSURE
WIND COND.20 3.7
  • 7450Tue
  • 8457Wed
  • 8756Thu
  • 8553Fri
  • 7954Sat
daynightWeather update from Lindsay Divide MT-200 MP 296.5 at

Circle 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
January10°F29°F19°F0.5"
February11°F32°F20°F0.4"
March23°F48°F33°F1.5"
April32°F58°F44°F2.8"
May42°F68°F54°F7.0"
June52°F79°F65°F3.1"
July59°F89°F73°F4.0"
August56°F86°F70°F3.9"
September46°F76°F60°F3.8"
October34°F59°F45°F2.8"
November21°F44°F31°F0.6"
December9°F29°F18°F0.6"

Did you know?

  • The highest monthly average temperature in Circle for July is 73 degrees.
  • The lowest monthly average temperature in Circle for December is 18 degrees.
  • The most monthly precipitation in Circle occurs in May with 7 inches.
  • The air quality index in Circle is 17% better than the national average.
  • The pollution index in Circle is 96% better than the national average.

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Compare Circle, MT Weather To Other Cities

Circle 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.
IndexCircleMontanaNational
Air quality index413450
Pollution index192,968685,9255,066,862

Circle air quality information

MeasurementTotal
Days measured365
Days with good air quality248
Days with moderate air quality97
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality8

Circle air quality information

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

Average monthly Circle temperature with heat index

Circle monthly precipitation with daily maximum

Circle monthly snow depth with daily maximum

Circle monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Circle, MT5484118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Crawfordsville, AR5484412%
New Boston, IL5485612%
Arkansas City, AR5483726%
Dupree, SD5484314%
Wilkerson, CA5484314%
Circle, MT5484118%
Source: The Circle, 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.