TODAY NOV02
TEMPERATURE59
HUMIDITY53
PRESSURE101390
WIND COND.140 37.1
  • 6040Sun40%70%
  • 4926Mon
  • 5132Tue
  • 4427Wed
  • 4528Thu
daynightWeather update from Winner, Bob Wiley Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Gregory for July is 77.4 degrees
  • The lowest monthly average temperature in Gregory for January is 24.9 degrees
  • The most monthly precipitation in Gregory occurs in June with 3.9 inches
  • The air quality index in Gregory is 14% better than the national average
  • The pollution index in Gregory is 93% better than the national average

Compare Gregory, SD Weather

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      Gregory 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
      January16°F37°F25°F0.2"
      February16°F38°F26°F0.3"
      March28°F53°F38°F0.7"
      April37°F62°F48°F2.4"
      May47°F72°F59°F3.5"
      June58°F83°F70°F3.9"
      July65°F92°F77°F1.9"
      August62°F88°F74°F3.4"
      September53°F80°F65°F1.8"
      October41°F65°F51°F1.8"
      November28°F52°F39°F0.3"
      December16°F36°F25°F0.3"

      Gregory 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.
      IndexGregorySouth DakotaNational
      Air quality index363642
      Pollution index179,967345,6232,726,193

      Gregory air quality

      MeasurementTotal
      Days measured365
      Days with good air quality321
      Days with moderate air quality43
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Gregory temperature with heat index

      Gregory monthly precipitation with daily maximum

      Gregory monthly snow depth with daily maximum

      Gregory monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Herrick, SD663628.0%
      Colome, SD3873628.0%
      Burke, SD7053628.0%
      Dallas, SD903628.0%
      Gregory, SD1,4443628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ashaway, RI1,4443726.0%
      Sainte-Élisabeth, QC1,444n/a 
      Saint-Guillaume, QC1,444n/a 
      Bulkley-Nechako D, BC1,444n/a 
      Fyffe, AL1,4453922.0%
      Gregory, SD1,4443628.0%
      Source: The Gregory, SD 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.