TODAY DEC22
TEMPERATURE25
HUMIDITY93
PRESSURE
WIND COND.203 1.6
  • 4021Sun40%
  • 4023Mon
  • 4027Tue
  • 3823
  • 3927Thu
daynightWeather update from Cow Creek MT-13 MP 19.9 at
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Weather Quick Facts

  • The highest monthly average temperature in Richey for July is 73.4 degrees
  • The lowest monthly average temperature in Richey for December is 17.8 degrees
  • The most monthly precipitation in Richey occurs in May with 7 inches
  • The air quality index in Richey is 19% better than the national average
  • The pollution index in Richey is 93% better than the national average

Compare Richey, MT Weather

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      Richey 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
      January10°F29°F19°F0.5"
      February11°F32°F20°F0.4"
      March23°F48°F33°F1.5"
      April32°F58°F44°F2.8"
      May42°F68°F54°F7.0"
      June52°F79°F65°F3.1"
      July59°F89°F73°F4.0"
      August56°F86°F70°F3.9"
      September46°F76°F60°F3.8"
      October34°F59°F45°F2.8"
      November21°F44°F31°F0.6"
      December9°F29°F18°F0.6"

      Richey 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.
      IndexRicheyMontanaNational
      Air quality index343442
      Pollution index192,968834,4732,726,193

      Richey air quality

      MeasurementTotal
      Days measured365
      Days with good air quality309
      Days with moderate air quality53
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Richey temperature with heat index

      Richey monthly precipitation with daily maximum

      Richey monthly snow depth with daily maximum

      Richey monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Richey, MT1673432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Hartly, DE1674216.0%
      Lidderdale, IA1673726.0%
      Sims, IL1674314.0%
      Salvisa, KY1674216.0%
      Burkittsville, MD1674020.0%
      Richey, MT1673432.0%
      Source: The Richey, 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.