TODAY OCT23
TEMPERATURE42
HUMIDITY66
PRESSURE
WIND COND.
  • 6447Tue
  • 6043Wed20%
  • 5746Thu50%
  • 5441Fri
  • 5440Sat
daynightWeather update from JETTE at
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Big Arm 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
January16°F32°F24°F1.5"
February19°F38°F28°F1.0"
March26°F48°F36°F1.3"
April31°F57°F43°F1.4"
May38°F68°F52°F1.7"
June44°F74°F59°F3.1"
July48°F86°F68°F1.0"
August46°F84°F65°F0.8"
September39°F73°F55°F1.2"
October31°F57°F43°F1.5"
November25°F42°F33°F1.4"
December16°F30°F23°F1.9"

Did you know?

  • The highest monthly average temperature in Big Arm for July is 68 degrees.
  • The lowest monthly average temperature in Big Arm for December is 23 degrees.
  • The most monthly precipitation in Big Arm occurs in June with 3.1 inches.
  • The air quality index in Big Arm is 23% better than the national average.
  • The pollution index in Big Arm is 94% better than the national average.

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Big Arm 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.
IndexBig ArmMontanaNational
Air quality index383450
Pollution index260,100685,9255,066,862

Big Arm air quality information

MeasurementTotal
Days measured365
Days with good air quality288
Days with moderate air quality73
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Big Arm air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.000%
Lead0.002%
Mercury0.000%

Average monthly Big Arm temperature with heat index

Big Arm monthly precipitation with daily maximum

Big Arm monthly snow depth with daily maximum

Big Arm monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Turtle Lake, MT2173824%
Dayton, MT883824%
Kerr, MT1153824%
Pablo, MT2,4753824%
Elmo, MT2393824%
Big Arm, MT3123824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Willisburg, KY3125510%
Morganton, GA312198%
Centerport, PA3124510%
Bogue, KS3121962%
Steamboat Rock, IA3124314%
Big Arm, MT3123824%
Source: The Big Arm, 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.