TODAY AUG15
TEMPERATURE87
HUMIDITY57
PRESSURE29.84
WIND COND.
  • 8365Thu30%30%
  • 8363Fri20%20%
  • 8564Sat
  • 8464Sun50%
  • 7860Mon70%50%
daynightWeather update from Ottumwa, Ottumwa Industrial Airport at

Thornburg Average Weather

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 Thornburg for July is 75 degrees.
  • The lowest monthly average temperature in Thornburg for January is 24 degrees.
  • The most monthly precipitation in Thornburg occurs in July with 7.8 inches.
  • The air quality index in Thornburg is 15% better than the national average.
  • The pollution index in Thornburg is 86% better than the national average.

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Compare Thornburg, IA Weather To Other Cities

Thornburg 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.
IndexThornburgIowaNational
Air quality index423950
Pollution index684,4641,643,8365,066,862

Thornburg 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

Thornburg air quality information

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

Average monthly Thornburg temperature with heat index

Thornburg monthly precipitation with daily maximum

Thornburg monthly snow depth with daily maximum

Thornburg monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
University Park, IA5584118%
Deep River, IA2524216%
Harper, IA964216%
Millersburg, IA1544216%
Sigourney, IA2,1054216%
Thornburg, IA754216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Zinc, AR753432%
Elk Falls, KS754412%
Florence, IN75548%
Emington, IL75198%
Driscoll, ND753432%
Thornburg, IA754216%
Source: The Thornburg, 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.