TODAY DEC22
TEMPERATURE61
HUMIDITY51
PRESSURE101390
WIND COND.170 29.5
  • 5543Mon30%
  • 5338Tue
  • 5342
  • 5539Thu50%20%
  • 5636Fri
daynightWeather update from Alva, Alva Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Helena for July is 82.8 degrees
  • The lowest monthly average temperature in Helena for January is 36.2 degrees
  • The most monthly precipitation in Helena occurs in June with 10.2 inches
  • The air quality index in Helena is 5% better than the national average
  • The pollution index in Helena is 91% better than the national average

Compare Helena, OK Weather

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      Helena 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
      January26°F50°F36°F3.2"
      February29°F53°F40°F3.9"
      March40°F65°F51°F6.0"
      April48°F73°F59°F6.3"
      May57°F81°F68°F8.4"
      June69°F91°F79°F10.2"
      July72°F95°F83°F7.1"
      August70°F94°F81°F6.8"
      September62°F86°F73°F5.2"
      October50°F74°F61°F8.8"
      November39°F62°F49°F5.4"
      December28°F49°F37°F3.3"

      Helena 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.
      IndexHelenaOklahomaNational
      Air quality index405542
      Pollution index249,7091,271,5332,726,193

      Helena air quality

      MeasurementTotal
      Days measured365
      Days with good air quality292
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Helena temperature with heat index

      Helena monthly precipitation with daily maximum

      Helena monthly snow depth with daily maximum

      Helena monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cleo Springs, OK4134020.0%
      Lambert, OK94020.0%
      Ringwood, OK5694020.0%
      Carrier, OK454020.0%
      Goltry, OK2934020.0%
      Helena, OK1,4674020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Kinsley, KS1,4671570.0%
      Collinsville, MS1,4673628.0%
      Fairmount, TN1,467468.0%
      Richmond, Subd. B, NS1,467n/a 
      Grandview, MB1,467n/a 
      Helena, OK1,4674020.0%
      Source: The Helena, OK 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.