TODAY AUG18
TEMPERATURE76
HUMIDITY91
PRESSURE29.98
WIND COND.
  • 8467Sat20%20%
  • 8670Sun20%
  • 8269Mon70%70%
  • 8164Tue
  • 7960Wed
daynightWeather update from Harrisburg-Raleigh Airport at

New Haven 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
January26°F43°F34°F2.0"
February28°F46°F36°F2.7"
March38°F59°F47°F3.6"
April48°F71°F58°F6.1"
May57°F78°F67°F4.7"
June66°F88°F76°F3.8"
July67°F88°F76°F5.7"
August65°F87°F75°F2.8"
September57°F82°F68°F3.2"
October46°F71°F57°F4.2"
November36°F57°F46°F4.1"
December30°F46°F37°F2.7"

Did you know?

  • The highest monthly average temperature in New Haven for July is 76 degrees.
  • The lowest monthly average temperature in New Haven for January is 34 degrees.
  • The most monthly precipitation in New Haven occurs in April with 6.1 inches.
  • The air quality index in New Haven is 3% better than the national average.
  • The pollution index in New Haven is 11% better than the national average.

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Compare New Haven, IL Weather To Other Cities

New Haven 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.
IndexNew HavenIllinoisNational
Air quality index484150
Pollution index4,489,3403,347,2955,066,862

New Haven air quality information

MeasurementTotal
Days measured365
Days with good air quality208
Days with moderate air quality155
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

New Haven air quality information

PollutantTotal
Arsenic0.080%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.050%

Average monthly New Haven temperature with heat index

New Haven monthly precipitation with daily maximum

New Haven monthly snow depth with daily maximum

New Haven monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Enfield, IL5333922%
Norris City, IL1,3013922%
Equality, IL591484%
Old Shawneetown, IL130484%
Mount Vernon, IN6,579484%
New Haven, IL382484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Akeley, MN3822942%
Arenzville, IL3823530%
Alto Pass, IL3823628%
St. Stephens, AL3823138%
Stanardsville, VA3823334%
New Haven, IL382484%
Source: The New Haven, 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.