TODAY NOV25
TEMPERATURE41
HUMIDITY81
PRESSURE101390
WIND COND.160 11.2
  • 5734Mon40%50%
  • 4029Tue
  • 4230Wed50%
  • 392350%40%
  • 3117Fri30%
daynightWeather update from Versailles Darke County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in St. Henry for August is 73.7 degrees
  • The lowest monthly average temperature in St. Henry for February is 24.7 degrees
  • The most monthly precipitation in St. Henry occurs in January with 11.1 inches
  • The air quality index in St. Henry is 7% better than the national average
  • The pollution index in St. Henry is 63% better than the national average

Compare St. Henry, OH Weather

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      St. Henry 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
      January22°F37°F29°F11.1"
      February17°F32°F25°F2.6"
      March31°F50°F39°F6.7"
      April39°F62°F50°F7.1"
      May48°F74°F61°F1.6"
      June61°F85°F73°F5.4"
      July61°F84°F73°F5.5"
      August63°F86°F74°F10.2"
      September56°F79°F67°F5.9"
      October47°F67°F57°F3.2"
      November33°F52°F43°F5.1"
      December22°F36°F29°F3.3"

      St. Henry 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.
      IndexSt. HenryOhioNational
      Air quality index394042
      Pollution index998,5574,472,3862,726,193

      St. Henry air quality

      MeasurementTotal
      Days measured364
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly St. Henry temperature with heat index

      St. Henry monthly precipitation with daily maximum

      St. Henry monthly snow depth with daily maximum

      St. Henry monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rossburg, OH269688.0%
      Burkettsville, OH249688.0%
      New Weston, OH67688.0%
      Ansonia, OH1,126688.0%
      Fort Recovery, OH1,7143530.0%
      St. Henry, OH2,7383922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Arcadia, LA2,7383530.0%
      Osseo, MN2,738468.0%
      Casselton, ND2,7383334.0%
      West Hammond, NM2,738492.0%
      Middlebush, NJ2,7374118.0%
      St. Henry, OH2,7383922.0%
      Source: The St. Henry, OH 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.