TODAY NOV22
TEMPERATURE30
HUMIDITY85
PRESSURE101080
WIND COND.
  • 4940Fri60%40%
  • 4837Sat30%
  • 5344Sun40%
  • 5333Mon40%50%
  • 4132Tue30%
daynightWeather update from Southwest Michigan Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in St. Joseph for July is 71.6 degrees
  • The lowest monthly average temperature in St. Joseph for January is 27 degrees
  • The most monthly precipitation in St. Joseph occurs in October with 5.5 inches
  • The air quality index in St. Joseph is 7% better than the national average
  • The pollution index in St. Joseph is 34% better than the national average

Compare St. Joseph, MI Weather

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      St. Joseph 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
      January20°F34°F27°F2.6"
      February20°F35°F27°F1.8"
      March28°F47°F37°F2.5"
      April37°F60°F48°F4.0"
      May47°F70°F58°F3.5"
      June56°F79°F68°F3.3"
      July61°F82°F72°F3.6"
      August60°F81°F70°F4.8"
      September53°F75°F63°F3.4"
      October43°F63°F53°F5.5"
      November33°F51°F42°F2.7"
      December25°F39°F32°F2.5"

      St. Joseph 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. JosephMichiganNational
      Air quality index396942
      Pollution index1,797,1304,161,6062,726,193

      St. Joseph air quality

      MeasurementTotal
      Days measured260
      Days with good air quality232
      Days with moderate air quality26
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.002%
      Mercury0.000%

      Average monthly St. Joseph temperature with heat index

      St. Joseph monthly precipitation with daily maximum

      St. Joseph monthly snow depth with daily maximum

      St. Joseph monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Baroda, MI8463922.0%
      Fair Plain, MI7,1483922.0%
      New Troy, MI3913922.0%
      Lake Michigan Beach, MI1,1103922.0%
      Benton Harbor, MI9,8063922.0%
      St. Joseph, MI8,3283922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Toccoa, GA8,3284118.0%
      Aylmer, ON8,327n/a 
      Baxter, MN8,3262942.0%
      Athol, MA8,3233432.0%
      Roxboro, NC8,3234412.0%
      St. Joseph, MI8,3283922.0%
      Source: The St. Joseph, MI 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.