TODAY APR14
TEMPERATURE41
HUMIDITY70
PRESSURE30.12
WIND COND.
  • 5635Wed
  • 5235Thu
  • 5938Fri
  • 5940Sat
  • 6139Sun
daynightWeather update from Auburn De Kalb County Airport at

Key findings

  • The highest monthly average temperature in St. Joe for July is 73.7 degrees
  • The lowest monthly average temperature in St. Joe for January is 26.7 degrees
  • The most monthly precipitation in St. Joe occurs in June with 4 inches
  • The air quality index in St. Joe is 10% better than the national average
  • The pollution index in St. Joe is 45% better than the national average

Compare St. Joe, IN Weather

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      St. Joe 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
      January19°F35°F27°F2.0"
      February19°F36°F27°F1.9"
      March30°F50°F39°F2.7"
      April39°F63°F51°F3.8"
      May50°F74°F62°F3.9"
      June59°F83°F71°F4.0"
      July62°F85°F74°F3.3"
      August60°F84°F72°F3.6"
      September54°F78°F65°F3.2"
      October44°F65°F53°F2.6"
      November33°F52°F42°F2.8"
      December25°F39°F32°F2.4"

      St. Joe 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. JoeIndianaNational
      Air quality index455650
      Pollution index2,775,8703,773,6185,066,862

      St. Joe air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality236
      Days with moderate air quality128
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      St. Joe air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.380%
      Mercury0.030%

      Average monthly St. Joe temperature with heat index

      St. Joe monthly precipitation with daily maximum

      St. Joe monthly snow depth with daily maximum

      St. Joe monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Garrett, IN6,6204510%
      Harlan, IN1,4864510%
      Antwerp, OH1,5224510%
      Hicksville, OH3,1104510%
      Ashley, IN1,0974510%
      St. Joe, IN4674510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cobb, WI4672942%
      Joppa, AL4674412%
      Lanagan, MO4673824%
      Hampton, NE4671962%
      Buckner, IL4674314%
      St. Joe, IN4674510%
      Source: The St. Joe, IN 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.