TODAY DEC28
TEMPERATURE34
HUMIDITY96
PRESSURE100200
WIND COND.190 14.8
  • 3423Sat
  • 3316Sun
  • 2215Mon
  • 198Tue
  • 12-1
daynightWeather update from Jamestown, Jamestown Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Jamestown for July is 70.8 degrees
  • The lowest monthly average temperature in Jamestown for January is 11.7 degrees
  • The most monthly precipitation in Jamestown occurs in June with 3.9 inches
  • The air quality index in Jamestown is 22% better than the national average
  • The pollution index in Jamestown is 74% better than the national average

Compare Jamestown, ND Weather

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      Jamestown 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
      January3°F22°F12°F0.2"
      February5°F24°F13°F0.3"
      March19°F39°F27°F0.7"
      April31°F56°F42°F1.3"
      May43°F68°F55°F3.8"
      June55°F78°F65°F3.9"
      July59°F84°F71°F2.6"
      August56°F81°F67°F2.7"
      September48°F73°F59°F2.5"
      October36°F57°F45°F1.8"
      November21°F41°F30°F0.5"
      December6°F23°F15°F0.4"

      Jamestown 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.
      IndexJamestownNorth DakotaNational
      Air quality index333542
      Pollution index718,6721,038,6652,726,193

      Jamestown air quality

      MeasurementTotal
      Days measured363
      Days with good air quality327
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality1

      Air quality details

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

      Average monthly Jamestown temperature with heat index

      Jamestown monthly precipitation with daily maximum

      Jamestown monthly snow depth with daily maximum

      Jamestown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ypsilanti, ND283334.0%
      Montpelier, ND863334.0%
      Spiritwood, ND03334.0%
      Spiritwood Lake, ND1423334.0%
      Buchanan, ND533628.0%
      Jamestown, ND15,2163334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lake Country, BC15,217n/a 
      Front Royal, VA15,2143824.0%
      Hudson, MA15,2224020.0%
      West Lincoln, ON15,222n/a 
      Canmore, AB15,222n/a 
      Jamestown, ND15,2163334.0%
      Source: The Jamestown, 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.