TODAY NOV14
TEMPERATURE54
HUMIDITY90
PRESSURE101360
WIND COND.110 14.8
  • 5948Thu60%
  • 5844Fri
  • 5944Sat
  • 6449Sun
  • 6654Mon30%
daynightWeather update from Louisville Muhammad Ali International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Saint Joseph for July is 78.5 degrees
  • The lowest monthly average temperature in Saint Joseph for January is 35.3 degrees
  • The most monthly precipitation in Saint Joseph occurs in April with 6.3 inches
  • The air quality index in Saint Joseph is 16% worse than the national average
  • The pollution index in Saint Joseph is 273% worse than the national average

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      Saint 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
      January27°F45°F35°F3.7"
      February29°F47°F37°F2.9"
      March39°F60°F48°F4.5"
      April48°F71°F59°F6.3"
      May57°F79°F68°F5.7"
      June66°F87°F77°F5.3"
      July69°F89°F79°F5.6"
      August68°F89°F78°F3.7"
      September61°F83°F71°F4.6"
      October48°F71°F59°F4.4"
      November38°F59°F48°F3.5"
      December31°F48°F39°F4.8"

      Saint 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.
      IndexSaint JosephLouisvilleKentucky
      Air quality index494945
      Pollution index10,162,70010,162,7001,369,131

      Saint Joseph air quality

      MeasurementTotal
      Days measured365
      Days with good air quality195
      Days with moderate air quality166
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.050%
      Mercury0.140%

      Average monthly Saint Joseph temperature with heat index

      Saint Joseph monthly precipitation with daily maximum

      Saint Joseph monthly snow depth with daily maximum

      Saint Joseph monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mount Washington, KY14,699492.0%
      Sellersburg, IN9,320492.0%
      Fincastle, KY635492.0%
      Pewee Valley, KY1,553492.0%
      Jeffersonville, IN47,932492.0%
      Louisville, KY618,733492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Baltimore, MD602,274468.0%
      Las Vegas, NV644,594548.0%
      Milwaukee, WI592,6494412.0%
      Oklahoma City, OK649,821484.0%
      Portland, OR650,3803824.0%
      Louisville, KY618,733492.0%
      Source: The Saint Joseph, Louisville, KY 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.