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Key findings

  • The highest monthly average temperature in Geraldine for July is 69.4 degrees
  • The lowest monthly average temperature in Geraldine for December is 24.7 degrees
  • The most monthly precipitation in Geraldine occurs in September with 6 inches
  • The air quality index in Geraldine is 58% better than the national average
  • The pollution index in Geraldine is 95% better than the national average

Compare Geraldine, MT Weather

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      Geraldine 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
      January16°F37°F27°F2.0"
      February18°F40°F28°F0.9"
      March25°F50°F37°F1.3"
      April30°F56°F42°F1.9"
      May38°F65°F51°F2.9"
      June46°F75°F61°F3.5"
      July53°F85°F69°F2.7"
      August51°F83°F66°F4.0"
      September45°F72°F58°F6.0"
      October35°F60°F46°F2.0"
      November25°F47°F35°F1.8"
      December14°F35°F25°F1.3"

      Geraldine 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.
      IndexGeraldineMontanaNational
      Air quality index213450
      Pollution index250,374685,9255,066,862

      Geraldine air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality350
      Days with moderate air quality12
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Geraldine air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Geraldine temperature with heat index

      Geraldine monthly precipitation with daily maximum

      Geraldine monthly snow depth with daily maximum

      Geraldine monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Geraldine, MT2592158%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Orient, OH259468%
      Boody, IL2594412%
      Doddsville, MS2594314%
      East Side, PA2593824%
      West Stewartstown, NH2594020%
      Geraldine, MT2592158%
      Source: The Geraldine, MT 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.