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Key findings

  • The highest monthly average temperature in Helena for August is 80.4 degrees
  • The lowest monthly average temperature in Helena for January is 51.5 degrees
  • The most monthly precipitation in Helena occurs in August with 8.9 inches
  • The air quality index in Helena is 36% better than the national average
  • The pollution index in Helena is 84% better than the national average

Compare Helena, MS 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
      January41°F64°F51°F4.4"
      February43°F66°F54°F4.5"
      March50°F73°F61°F4.1"
      April56°F78°F67°F5.7"
      May62°F84°F73°F5.4"
      June70°F90°F79°F6.2"
      July72°F91°F80°F6.6"
      August73°F91°F80°F8.9"
      September68°F88°F77°F5.8"
      October56°F81°F67°F3.7"
      November46°F72°F58°F2.7"
      December44°F66°F54°F5.9"

      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.
      IndexHelenaMississippiNational
      Air quality index324050
      Pollution index428,3881,514,1092,726,193

      Helena air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality330
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Helena air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      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.
      Big Point, MS6903236.0%
      Wade, MS1,0633236.0%
      Gulf Park Estates, MS6,9043236.0%
      Escatawpa, MS3,5823236.0%
      Gautier, MS18,5413236.0%
      Helena, MS1,1043236.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mosses, AL1,104524.0%
      Mayo, FL1,1043824.0%
      North Topsail Beach, NC1,1043432.0%
      Bayard, NE1,1041962.0%
      Greenville, NH1,1043726.0%
      Helena, MS1,1043236.0%
      Source: The Helena, MS 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.