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Key findings

  • The highest monthly average temperature in Raleigh for July is 80 degrees
  • The lowest monthly average temperature in Raleigh for January is 42 degrees
  • The most monthly precipitation in Raleigh occurs in September with 5.5 inches
  • The air quality index in Raleigh is 8% better than the national average
  • The pollution index in Raleigh is 96% better than the national average

Compare Raleigh, NC Weather

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      Raleigh 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
      January31°F55°F42°F2.7"
      February31°F58°F44°F2.6"
      March39°F67°F52°F4.3"
      April48°F76°F62°F4.1"
      May56°F82°F68°F4.1"
      June65°F90°F77°F4.8"
      July69°F93°F80°F5.2"
      August69°F91°F79°F4.9"
      September62°F85°F72°F5.5"
      October49°F75°F61°F3.4"
      November38°F66°F51°F3.8"
      December34°F58°F45°F4.1"

      Raleigh 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.
      IndexRaleighNorth CarolinaNational
      Air quality index463550
      Pollution index227,3213,848,9885,066,862

      Raleigh air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality239
      Days with moderate air quality126
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Raleigh air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Raleigh temperature with heat index

      Raleigh monthly precipitation with daily maximum

      Raleigh monthly snow depth with daily maximum

      Raleigh monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Durham, NC251,7614412%
      Morrisville, NC22,6004412%
      Cary, NC155,822468%
      Garner, NC27,625468%
      Rolesville, NC5,583468%
      Raleigh, NC441,326468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Omaha, NE443,0724020%
      Colorado Springs, CO448,7594510%
      Virginia Beach, VA449,7334020%
      Miami, FL432,6224118%
      Atlanta, GA456,378524%
      Raleigh, NC441,326468%
      Source: The Raleigh, 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.