TODAY JUL19
TEMPERATURE61
HUMIDITY62
PRESSURE
WIND COND.285 3
  • 8854
  • 8953Fri
  • 8652Sat
  • 8051Sun
  • 8252Mon
daynightWeather update from HELENA at

Helena Valley West Central 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
January-25°F55°F25°F0.3"
February-15°F65°F30°F0.8"
March-11°F74°F36°F0.5"
April6°F81°F44°F1.2"
May25°F91°F55°F2.1"
June33°F99°F62°F2.4"
July43°F102°F74°F0.6"
August41°F100°F69°F0.6"
September31°F97°F59°F1.1"
October5°F84°F45°F1.0"
November-11°F72°F36°F0.5"
December-23°F60°F21°F0.4"

Did you know?

  • The highest monthly average temperature in Helena Valley West Central for July is 74 degrees.
  • The lowest monthly average temperature in Helena Valley West Central for December is 21 degrees.
  • The most monthly precipitation in Helena Valley West Central occurs in June with 2.4 inches.
  • The air quality index in Helena Valley West Central is 29% better than the national average.
  • The pollution index in Helena Valley West Central is 77% better than the national average.

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Compare Helena Valley West Central, MT Weather To Other Cities

Helena Valley West Central 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 West CentralMontanaNational
Air quality index353450
Pollution index1,148,190685,9255,066,862

Helena Valley West Central 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 West Central air quality information

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

Average monthly Helena Valley West Central temperature with heat index

Helena Valley West Central monthly precipitation with daily maximum

Helena Valley West Central monthly snow depth with daily maximum

Helena Valley West Central monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Helena Valley Northeast, MT3,1543530%
Marysville, MT923530%
Clancy, MT1,6123530%
Helena Valley Northwest, MT3,9673530%
Montana City, MT2,8783530%
Helena Valley West Central, MT8,7533530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rotonda, FL8,7553334%
Shelby, OH8,7513628%
Elgin, TX8,7564118%
Audubon, NJ8,7485714%
Socorro, NM8,760512%
Helena Valley West Central, MT8,7533530%
Source: The Helena Valley West Central, 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.