TODAY JUN20
TEMPERATURE87
HUMIDITY61
PRESSURE29.92
WIND COND.220 8.1
  • 8670Wed40%
  • 8269Thu60%60%
  • 8267Fri60%60%
  • 8469Sat
  • 8568Sun
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
January0°F70°F35°Fn/a
February5°F70°F35°Fn/a
March16°F82°F47°Fn/a
April25°F90°F56°F1.0"
May36°F93°F65°F1.3"
June52°F99°F75°F0.5"
July54°F97°F75°F1.4"
August50°F100°F75°F0.4"
September36°F97°F68°F0.6"
October27°F93°F55°F1.3"
November18°F82°F45°F0.2"
December3°F72°F36°F0.8"

Did you know?

  • The highest monthly average temperature in New Haven for August is 75 degrees.
  • The lowest monthly average temperature in New Haven for January is 35 degrees.
  • The most monthly precipitation in New Haven occurs in July with 1.4 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%
Shawneetown, IL1,340484%
Uniontown, KY713484%
Equality, IL591484%
New Haven, IL382484%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
New Bloomington, OH3823040%
St. Stephens, AL3823138%
Ute, IA3824118%
Arenzville, IL3823530%
Bay View Gardens, IL382484%
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.