TODAY JUN22
TEMPERATURE64
HUMIDITY100
PRESSURE
WIND COND.360 6.9
  • 7562Fri50%30%
  • 7762Sat
  • 8364Sun
  • 8467Mon
  • 8671Tue
daynightWeather update from Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal at

De Witt 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
January-1°F68°F33°F2.4"
February-2°F65°F30°F1.7"
March14°F82°F43°F2.0"
April21°F88°F54°F2.4"
May29°F93°F64°F2.0"
June48°F94°F75°F3.4"
July52°F98°F77°F3.1"
August46°F99°F76°F2.1"
September39°F96°F69°F3.5"
October28°F93°F57°F2.5"
November16°F76°F45°F1.7"
December1°F64°F33°F1.4"

Did you know?

  • The highest monthly average temperature in De Witt for July is 77 degrees.
  • The lowest monthly average temperature in De Witt for February is 30 degrees.
  • The most monthly precipitation in De Witt occurs in September with 3.5 inches.
  • The air quality index in De Witt is 27% better than the national average.
  • The pollution index in De Witt is 86% better than the national average.

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Compare De Witt, IL Weather To Other Cities

De Witt 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.
IndexDe WittIllinoisNational
Air quality index364150
Pollution index703,2183,347,2955,066,862

De Witt air quality information

MeasurementTotal
Days measured362
Days with good air quality309
Days with moderate air quality53
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

De Witt air quality information

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

Average monthly De Witt temperature with heat index

De Witt monthly precipitation with daily maximum

De Witt monthly snow depth with daily maximum

De Witt monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Heyworth, IL3,0313628%
Monticello, IL5,6093628%
De Land, IL4613628%
Le Roy, IL3,5703628%
Wapella, IL5573628%
De Witt, IL2213628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sherwood, ND2214118%
West, MS2213334%
Curryville, MO2213432%
Manter, KS221688%
Boxholm, IA2213726%
De Witt, IL2213628%
Source: The De Witt, IL 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.