TODAY MAY28
TEMPERATURE79
HUMIDITY28
PRESSURE29.99
WIND COND.320 18.3
  • 6949Fri
  • 6848Sat
  • 7257Sun
  • 8166Mon
  • 8966Tue
daynightWeather update from Spencer, Spencer Municipal Airport at
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Spencer 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
January9°F26°F17°F1.0"
February13°F30°F21°F1.0"
March27°F48°F36°F6.5"
April37°F62°F49°F6.0"
May51°F73°F61°F5.9"
June61°F84°F72°F4.4"
July63°F87°F75°F7.6"
August61°F83°F71°F7.9"
September54°F79°F65°F6.8"
October41°F65°F52°F3.1"
November25°F47°F35°F3.7"
December9°F25°F17°F1.0"

Did you know?

  • The highest monthly average temperature in Spencer for July is 75 degrees.
  • The lowest monthly average temperature in Spencer for December is 17 degrees.
  • The most monthly precipitation in Spencer occurs in August with 7.9 inches.
  • The air quality index in Spencer is 18% better than the national average.
  • The pollution index in Spencer is 69% better than the national average.

Compare Spencer, IA Weather To Other Cities

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      Spencer 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.
      IndexSpencerIowaNational
      Air quality index413950
      Pollution index1,563,5601,643,8365,066,862

      Spencer air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality254
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Spencer air quality information

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

      Average monthly Spencer temperature with heat index

      Spencer monthly precipitation with daily maximum

      Spencer monthly snow depth with daily maximum

      Spencer monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ruthven, IA7301864%
      Terril, IA3793530%
      West Okoboji, IA3144020%
      Milford, IA2,9914020%
      Fostoria, IA1944118%
      Spencer, IA11,1724118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Westwood, NJ11,170536%
      Spearfish, SD11,1764314%
      Raymondville, TX11,1653628%
      Seymour, TN11,1644118%
      Pompton Lakes, NJ11,163536%
      Spencer, IA11,1724118%
      Source: The Spencer, 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.