TODAY SEP19
TEMPERATURE68
HUMIDITY100
PRESSURE29.91
WIND COND.160 5.8
  • 9071Wed40%20%
  • 9064Thu20%
  • 7249Fri30%
  • 7251Sat
  • 7657Sun
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at
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Ottumwa 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
January15°F33°F24°F0.7"
February17°F36°F26°F1.1"
March31°F52°F40°F2.3"
April41°F65°F52°F4.7"
May51°F74°F62°F5.0"
June62°F83°F72°F6.5"
July65°F86°F75°F4.5"
August63°F84°F73°F5.2"
September54°F78°F65°F3.7"
October43°F65°F53°F3.0"
November32°F52°F41°F2.0"
December20°F36°F28°F1.9"

Did you know?

  • The highest monthly average temperature in Ottumwa for July is 75 degrees.
  • The lowest monthly average temperature in Ottumwa for January is 24 degrees.
  • The most monthly precipitation in Ottumwa occurs in June with 6.5 inches.
  • The air quality index in Ottumwa is 19% better than the national average.
  • The pollution index in Ottumwa is 90% better than the national average.

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Compare Ottumwa, IA Weather To Other Cities

Ottumwa 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.
IndexOttumwaIowaNational
Air quality index403950
Pollution index464,3331,643,8365,066,862

Ottumwa air quality information

MeasurementTotal
Days measured110
Days with good air quality71
Days with moderate air quality39
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Ottumwa air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.320%
Mercury0.000%

Average monthly Ottumwa temperature with heat index

Ottumwa monthly precipitation with daily maximum

Ottumwa monthly snow depth with daily maximum

Ottumwa monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Agency, IA6194020%
Batavia, IA6374020%
Eldon, IA8904020%
Floris, IA2464020%
Unionville, IA784118%
Ottumwa, IA24,7094020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Emporia, KS24,7072354%
Mauldin, SC24,7234020%
Inkster, MI24,738524%
Sanger, CA24,7418060%
Ponca City, OK24,7534412%
Ottumwa, IA24,7094020%
Source: The Ottumwa, 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.