TODAY APR25
TEMPERATURE51
HUMIDITY59
PRESSURE102100
WIND COND.320 9.4
  • 6445Thu
  • 5750Fri20%
  • 6652Sat
  • 7452Sun
  • 7855Mon
daynightWeather update from Jefferson - Ashe County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Jefferson for July is 70.2 degrees
  • The lowest monthly average temperature in Jefferson for January is 34.3 degrees
  • The most monthly precipitation in Jefferson occurs in October with 12 inches
  • The air quality index in Jefferson is 38% better than the national average
  • The pollution index in Jefferson is 63% better than the national average

Compare Jefferson, NC Weather

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      Jefferson 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
      January27°F43°F34°F8.8"
      February28°F45°F36°F4.2"
      March36°F55°F44°F4.0"
      April45°F64°F54°F5.8"
      May52°F70°F61°F7.3"
      June60°F78°F69°F6.0"
      July62°F79°F70°F7.5"
      August61°F77°F69°F5.1"
      September56°F72°F63°F11.0"
      October46°F63°F54°F12.0"
      November36°F54°F44°F6.3"
      December32°F48°F39°F4.6"

      Jefferson 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.
      IndexJeffersonNorth CarolinaNational
      Air quality index263542
      Pollution index1,016,4802,789,5382,726,193

      Jefferson air quality information

      MeasurementTotal
      Days measured122
      Days with good air quality109
      Days with moderate air quality12
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality1

      Jefferson air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.040%
      Mercury0.001%

      Average monthly Jefferson temperature with heat index

      Jefferson monthly precipitation with daily maximum

      Jefferson monthly snow depth with daily maximum

      Jefferson monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Boone, NC19,4662648.0%
      Lansing, NC2782648.0%
      West Jefferson, NC1,7672648.0%
      Jefferson, NC1,6092648.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coldwater, MS1,6094510.0%
      Versailles, PA1,6095612.0%
      Westwood, PA1,6094510.0%
      Uashat, QC1,609n/a 
      Dauphin Island, AL1,6103236.0%
      Jefferson, NC1,6092648.0%
      Source: The Jefferson, NC 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.