TODAY JUL12
TEMPERATURE63
HUMIDITY100
PRESSURE30.04
WIND COND.250 9.4
  • 8061Sun
  • 7552Mon60%30%
  • 7453Tue
  • 7956Wed
  • 8158Thu
daynightWeather update from ROLLA at

Key findings

  • The highest monthly average temperature in Rolla for July is 65 degrees
  • The lowest monthly average temperature in Rolla for January is 6 degrees
  • The most monthly precipitation in Rolla occurs in January with 11.4 inches
  • The air quality index in Rolla is 28% better than the national average
  • The pollution index in Rolla is 92% better than the national average

Compare Rolla, ND Weather

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      Rolla 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
      January-4°F16°F6°F11.4"
      February-4°F17°F6°F3.4"
      March12°F31°F21°F2.2"
      April27°F51°F38°F1.3"
      May38°F65°F51°F2.8"
      June50°F74°F61°F4.0"
      July53°F78°F65°F2.5"
      August51°F78°F63°F2.6"
      September44°F71°F56°F3.1"
      October31°F54°F41°F0.8"
      November17°F36°F25°F1.2"
      December-1°F17°F8°F7.7"

      Rolla 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.
      IndexRollaNorth DakotaNational
      Air quality index363550
      Pollution index408,5781,235,1375,066,862

      Rolla air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality320
      Days with moderate air quality45
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Rolla air quality information

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

      Average monthly Rolla temperature with heat index

      Rolla monthly precipitation with daily maximum

      Rolla monthly snow depth with daily maximum

      Rolla monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hansboro, ND183628%
      St. John, ND3303628%
      Belcourt, ND2,0483628%
      Mylo, ND103628%
      Shell Valley, ND1,2363628%
      Rolla, ND1,3883628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Reynolds, GA1,3883824%
      Grandview, IL1,3884020%
      Toulon, IL1,3884118%
      Medford, MN1,3883628%
      Gaston, SC1,3884314%
      Rolla, ND1,3883628%
      Source: The Rolla, ND 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.