TODAY NOV02
TEMPERATURE
HUMIDITY100
PRESSURE101828.7
WIND COND.190 18.5
  • 4830Sun40%50%
  • 4427Mon
  • 4728Tue
  • 4025Wed
  • 4029Thu
daynightWeather update from ROLLA at
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Weather Quick Facts

  • The highest monthly average temperature in St. John for July is 65.2 degrees
  • The lowest monthly average temperature in St. John for January is 5.7 degrees
  • The most monthly precipitation in St. John occurs in January with 11.4 inches
  • The air quality index in St. John is 14% better than the national average
  • The pollution index in St. John is 85% better than the national average

Compare St. John, ND Weather

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      St. John 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"

      St. John 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.
      IndexSt. JohnNorth DakotaNational
      Air quality index363542
      Pollution index408,5781,038,6652,726,193

      St. John air quality

      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

      Air quality details

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

      Average monthly St. John temperature with heat index

      St. John monthly precipitation with daily maximum

      St. John monthly snow depth with daily maximum

      St. John monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Rolla, ND1,4093628.0%
      East Dunseith, ND4353628.0%
      Shell Valley, ND1,5413628.0%
      Belcourt, ND2,1323628.0%
      Green Acres, ND6183628.0%
      St. John, ND3433628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Terril, IA3433236.0%
      Friendship, MD343476.0%
      Boyne Falls, MI3433628.0%
      Leonard, MI3433824.0%
      Remer, MN3432942.0%
      St. John, ND3433628.0%
      Source: The St. John, 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.