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Key findings

  • The highest monthly average temperature in St. Paul for July is 75 degrees
  • The lowest monthly average temperature in St. Paul for January is 25 degrees
  • The most monthly precipitation in St. Paul occurs in May with 6.2 inches
  • The air quality index in St. Paul is 42% better than the national average
  • The pollution index in St. Paul is 83% better than the national average

Compare St. Paul, IA Weather

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      St. Paul 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
      January17°F34°F25°F0.7"
      February18°F36°F26°F2.1"
      March33°F53°F41°F4.1"
      April43°F66°F53°F4.8"
      May53°F75°F63°F6.2"
      June63°F84°F73°F5.9"
      July65°F86°F75°F5.6"
      August63°F84°F73°F2.0"
      September55°F79°F65°F4.1"
      October44°F66°F54°F6.1"
      November33°F51°F41°F3.3"
      December22°F38°F30°F3.1"

      St. Paul 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. PaulIowaNational
      Air quality index293950
      Pollution index871,2641,643,8365,066,862

      St. Paul air quality information

      MeasurementTotal
      Days measured120
      Days with good air quality101
      Days with moderate air quality19
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      St. Paul air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.001%
      Mercury0.000%

      Average monthly St. Paul temperature with heat index

      St. Paul monthly precipitation with daily maximum

      St. Paul monthly snow depth with daily maximum

      St. Paul monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Donnellson, IA8602942%
      Hillsboro, IA2282942%
      New London, IA1,9452942%
      Westwood, IA962942%
      Bonaparte, IA4412942%
      St. Paul, IA1002942%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Tony, WI1003432%
      Los Nopalitos, TX1004118%
      Marietta, IL1004118%
      Ruskin, NE1001962%
      Chain of Rocks, MO100548%
      St. Paul, IA1002942%
      Source: The St. Paul, IA 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.