TODAY OCT21
TEMPERATURE57
HUMIDITY33
PRESSURE30.09
WIND COND.190 18.3
  • 6234Mon
  • 5331Tue
  • 5237Wed
  • 5037Thu20%20%
  • 5441Fri30%
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at
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Sigourney 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°F24°F1.9"
February17°F34°F25°F2.4"
March31°F52°F40°F3.0"
April41°F65°F52°F4.3"
May53°F75°F63°F6.0"
June62°F84°F72°F4.4"
July65°F86°F75°F7.8"
August63°F83°F72°F4.4"
September54°F78°F65°F5.3"
October44°F66°F53°F5.8"
November32°F52°F41°F3.9"
December21°F37°F28°F4.0"

Did you know?

  • The highest monthly average temperature in Sigourney for July is 75 degrees.
  • The lowest monthly average temperature in Sigourney for January is 24 degrees.
  • The most monthly precipitation in Sigourney occurs in July with 7.8 inches.
  • The air quality index in Sigourney is 15% better than the national average.
  • The pollution index in Sigourney is 88% better than the national average.

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Compare Sigourney, IA Weather To Other Cities

Sigourney 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.
IndexSigourneyIowaNational
Air quality index423950
Pollution index577,8381,643,8365,066,862

Sigourney air quality information

MeasurementTotal
Days measured365
Days with good air quality244
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Sigourney air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.090%
Mercury0.000%

Average monthly Sigourney temperature with heat index

Sigourney monthly precipitation with daily maximum

Sigourney monthly snow depth with daily maximum

Sigourney monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Gibson, IA484216%
Keota, IA9324216%
North English, IA1,1484216%
Rose Hill, IA1604216%
What Cheer, IA7294216%
Sigourney, IA2,1054216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Leetonia, OH2,1054510%
Boulevard Gardens, FL2,1054118%
Knightstown, IN2,105365630%
Jal, NM2,1053628%
Leechburg, PA2,1053628%
Sigourney, IA2,1054216%
Source: The Sigourney, 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.