TODAY DEC27
TEMPERATURE63
HUMIDITY90
PRESSURE101050
WIND COND.220 11.2
  • 7153Fri30%
  • 7051Sat20%80%
  • 6643Sun20%
  • 7051Mon20%
  • 6237Tue
daynightWeather update from Greenwood, Greenwood-LeFlore Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winona for August is 81.4 degrees
  • The lowest monthly average temperature in Winona for January is 45.1 degrees
  • The most monthly precipitation in Winona occurs in September with 8.7 inches
  • The air quality index in Winona is 22% better than the national average
  • The pollution index in Winona is 86% better than the national average

Compare Winona, MS Weather

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      Winona 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
      January36°F56°F45°F5.0"
      February37°F58°F47°F4.7"
      March46°F70°F57°F3.6"
      April53°F77°F64°F5.4"
      May62°F84°F72°F6.0"
      June69°F91°F80°F2.4"
      July71°F92°F81°F4.3"
      August72°F94°F81°F3.3"
      September66°F87°F75°F8.7"
      October52°F77°F63°F5.9"
      November44°F69°F55°F3.1"
      December37°F59°F47°F5.5"

      Winona 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.
      IndexWinonaMississippiNational
      Air quality index334042
      Pollution index394,4721,514,1092,726,193

      Winona air quality

      MeasurementTotal
      Days measured101
      Days with good air quality77
      Days with moderate air quality24
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Air quality details

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

      Average monthly Winona temperature with heat index

      Winona monthly precipitation with daily maximum

      Winona monthly snow depth with daily maximum

      Winona monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Carrollton, MS3123334.0%
      North Carrollton, MS3653334.0%
      Duck Hill, MS9813334.0%
      Kilmichael, MS6933334.0%
      Elliott, MS7683334.0%
      Winona, MS4,0993334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Genesee, CO4,0995816.0%
      Northwoods, MO4,099548.0%
      Cumberland, Subd. D, NS4,097n/a 
      Burgaw, NC4,1013432.0%
      Howick, ON4,101n/a 
      Winona, MS4,0993334.0%
      Source: The Winona, 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.