TODAY AUG20
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7961Tue40%30%
  • 7853Wed
  • 7855Thu
  • 7966Fri30%
  • 8569Sat50%
daynightWeather update from Robinson Municipal Airport at

Sullivan 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
January23°F40°F31°F5.3"
February24°F43°F33°F3.4"
March36°F57°F45°F4.0"
April46°F69°F56°F7.6"
May56°F77°F66°F6.3"
June64°F86°F75°F6.7"
July66°F87°F76°F5.7"
August63°F86°F74°F4.9"
September56°F82°F67°F5.9"
October46°F70°F57°F5.6"
November35°F56°F44°F5.6"
December28°F44°F35°F4.9"

Did you know?

  • The highest monthly average temperature in Sullivan for July is 76 degrees.
  • The lowest monthly average temperature in Sullivan for January is 31 degrees.
  • The most monthly precipitation in Sullivan occurs in April with 7.6 inches.
  • The air quality index in Sullivan is 0% worse than the national average.
  • The pollution index in Sullivan is 71% better than the national average.

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Compare Sullivan, IN Weather To Other Cities

Sullivan 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.
IndexSullivanIndianaNational
Air quality index505650
Pollution index1,453,8403,773,6185,066,862

Sullivan air quality information

MeasurementTotal
Days measured365
Days with good air quality186
Days with moderate air quality164
Days w/ poor A.Q. for sensitive groups15
Days with unhealthy air quality

Sullivan air quality information

PollutantTotal
Arsenic0.010%
Benzene0.030%
Carbon Tetrachloride0.002%
Lead0.004%
Mercury0.010%

Average monthly Sullivan temperature with heat index

Sullivan monthly precipitation with daily maximum

Sullivan monthly snow depth with daily maximum

Sullivan monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Sandborn, IN450786%
Linton, IN5,305786%
Flat Rock, IL3293334%
Merom, IN2423334%
Carlisle, IN6303334%
Sullivan, IN4,16550= 100

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Glendora, NJ4,1655714%
China Grove, NC4,1634020%
Blanchester, OH4,1633726%
Moses Lake North, WA4,1672452%
Centralia, MO4,167375650%
Sullivan, IN4,16550= 100
Source: The Sullivan, IN 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.