TODAY DEC15
TEMPERATURE
HUMIDITY51
PRESSURE
WIND COND.27 5
  • 4021Sat
  • 4123Sun
  • 4426Mon
  • 4433Tue
  • 4629Wed
daynightWeather update from HELENA at

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Helena Valley Northwest 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
January13°F35°F24°F0.6"
February18°F41°F28°F0.7"
March25°F52°F38°F0.5"
April31°F60°F44°F0.9"
May39°F69°F53°F1.8"
June47°F79°F63°F2.0"
July55°F91°F73°F0.7"
August52°F88°F69°F1.1"
September44°F77°F59°F1.1"
October34°F62°F46°F0.8"
November23°F47°F34°F0.8"
December12°F33°F22°F0.8"

Did you know?

  • The highest monthly average temperature in Helena Valley Northwest for July is 73 degrees.
  • The lowest monthly average temperature in Helena Valley Northwest for December is 22 degrees.
  • The most monthly precipitation in Helena Valley Northwest occurs in June with 2 inches.
  • The air quality index in Helena Valley Northwest is 29% better than the national average.
  • The pollution index in Helena Valley Northwest is 77% better than the national average.

Real Estate Listings In Helena Valley Northwest

Compare Helena Valley Northwest, MT Weather To Other Cities

Helena Valley Northwest 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.
IndexHelena Valley NorthwestMontanaNational
Air quality index353450
Pollution index1,148,190685,9255,066,862

Helena Valley Northwest air quality information

MeasurementTotal
Days measured365
Days with good air quality315
Days with moderate air quality50
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Helena Valley Northwest air quality information

PollutantTotal
Arsenic0.000%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.000%

Average monthly Helena Valley Northwest temperature with heat index

Helena Valley Northwest monthly precipitation with daily maximum

Helena Valley Northwest monthly snow depth with daily maximum

Helena Valley Northwest monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
East Helena, MT2,2863530%
Helena Valley West Central, MT8,7533530%
South Hills, MT5293530%
Helena, MT30,1023530%
Helena West Side, MT1,2423530%
Helena Valley Northwest, MT3,9673530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Metzger, OR3,9673824%
Iroquois Point, HI3,9673040%
Gamewell, NC3,9673824%
Hallsville, TX3,9663334%
Larned, KS3,966688%
Helena Valley Northwest, MT3,9673530%
Source: The Helena Valley Northwest, 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.