TODAY OCT19
TEMPERATURE40
HUMIDITY58
PRESSURE
WIND COND.
  • 5937Fri
  • 6536Sat
  • 6235Sun
  • 5939Mon
  • 6140Tue
daynightWeather update from ROCKY BOY at
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Big Sandy 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
January8°F32°F19°F0.6"
February10°F36°F22°F0.4"
March20°F49°F33°F0.8"
April29°F61°F44°F1.3"
May38°F70°F54°F2.0"
June46°F79°F63°F2.4"
July53°F90°F72°F1.4"
August50°F88°F68°F1.0"
September41°F77°F58°F1.2"
October31°F62°F44°F1.0"
November20°F46°F32°F0.6"
December7°F31°F18°F0.7"

Did you know?

  • The highest monthly average temperature in Big Sandy for July is 72 degrees.
  • The lowest monthly average temperature in Big Sandy for December is 18 degrees.
  • The most monthly precipitation in Big Sandy occurs in June with 2.4 inches.
  • The air quality index in Big Sandy is 47% better than the national average.
  • The pollution index in Big Sandy is 95% better than the national average.

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Big Sandy 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 SandyMontanaNational
Air quality index263450
Pollution index250,374685,9255,066,862

Big Sandy 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

Big Sandy air quality information

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

Average monthly Big Sandy temperature with heat index

Big Sandy monthly precipitation with daily maximum

Big Sandy monthly snow depth with daily maximum

Big Sandy monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Boneau, MT3812648%
Sangrey, MT3412648%
Box Elder, MT782648%
Rocky Boy West, MT9572648%
Azure, MT2502648%
Big Sandy, MT6082648%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sunfish Lake, MN6084412%
Mathews, VA6083922%
Coffeen, IL6083726%
Forman, ND6082648%
Emmet, AR6083138%
Big Sandy, MT6082648%
Source: The Big Sandy, 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.