TODAY OCT19
TEMPERATURE40
HUMIDITY58
PRESSURE
WIND COND.
  • 5837Fri
  • 6436Sat
  • 6034Sun
  • 5838Mon
  • 6040Tue
daynightWeather update from ROCKY BOY at
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Boneau 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 Boneau for July is 72 degrees.
  • The lowest monthly average temperature in Boneau for December is 18 degrees.
  • The most monthly precipitation in Boneau occurs in June with 2.4 inches.
  • The air quality index in Boneau is 47% better than the national average.
  • The pollution index in Boneau is 95% better than the national average.

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Compare Boneau, MT Weather To Other Cities

Boneau 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.
IndexBoneauMontanaNational
Air quality index263450
Pollution index232,374685,9255,066,862

Boneau 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

Boneau air quality information

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

Average monthly Boneau temperature with heat index

Boneau monthly precipitation with daily maximum

Boneau monthly snow depth with daily maximum

Boneau monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Big Sandy, MT6082648%
Rocky Boy West, MT9572648%
Box Elder, MT782648%
St. Pierre, MT5112648%
Parker School, MT4322648%
Boneau, MT3812648%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Spring Lake, UT381476%
Bancroft, ID3813530%
Wasco, OR3812648%
New Vienna, IA3813236%
Capon Bridge, WV3813726%
Boneau, MT3812648%
Source: The Boneau, 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.