TODAY DEC22
TEMPERATURE12
HUMIDITY100
PRESSURE101185.29
WIND COND.350 14.8
  • 1912Mon
  • 2817Tue
  • 3221
  • 3022Thu
  • 3222Fri
daynightWeather update from ROLLA at
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Weather Quick Facts

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

Compare Shell Valley, ND Weather

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      Shell Valley 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"

      Shell Valley 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.
      IndexShell ValleyNorth DakotaNational
      Air quality index363542
      Pollution index408,5781,038,6652,726,193

      Shell Valley 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 Shell Valley temperature with heat index

      Shell Valley monthly precipitation with daily maximum

      Shell Valley monthly snow depth with daily maximum

      Shell Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Belcourt, ND2,1323628.0%
      Rolla, ND1,4093628.0%
      Dunseith, ND5993628.0%
      Green Acres, ND6183628.0%
      St. John, ND3433628.0%
      Shell Valley, ND1,5413628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Morgantown, PA1,5414216.0%
      Bogart, GA1,5424412.0%
      Milan, OH1,54050= 100
      West Salem, OH1,5404314.0%
      Locust Grove, OK1,5403628.0%
      Shell Valley, ND1,5413628.0%
      Source: The Shell Valley, 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.