TODAY NOV19
TEMPERATURE67°F
HUMIDITY93%
PRESSURE30.21 inHg
WIND COND.220° 9.2 mph
  • 8064Fri20%
  • 8260Sat60% | 60%
  • 8163Sun20% | 30%
  • 8059Columbus Day30% | 30%
  • 7349Tue30% | 30%
daynightWeather update from Indianapolis International Airport, on 5 Oct 12:54 pm EDT

Indianapolis 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-12°F68°F31°F4.3"
February-6°F67°F30°F2.8"
March13°F81°F43°F4.0"
April23°F86°F54°F4.6"
May29°F90°F63°F4.1"
June47°F93°F73°F5.2"
July53°F95°F75°F4.0"
August51°F96°F76°F3.3"
September41°F97°F69°F2.8"
October27°F91°F56°F3.9"
November12°F73°F44°F2.4"
December1°F67°F32°F4.6"

Did you know?

  • The highest monthly average temperature in Indianapolis for August is 76 degrees.
  • The lowest monthly average temperature in Indianapolis for February is 30 degrees.
  • The most monthly precipitation in Indianapolis occurs in June with 5.2 inches.
  • The air quality index in Indianapolis is 18% worse than the national average.
  • The pollution index in Indianapolis is 53% better than the national average.

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Compare Indianapolis, IN Weather To Other Cities

Indianapolis 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.
IndexIndianapolisIndianaNational
Air quality index595550
Pollution index2,395,3003,666,7035,100,859

Indianapolis air quality information

MeasurementTotal
Days measured365
Days with good air quality106
Days with moderate air quality248
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality

Indianapolis air quality information

PollutantTotal
Arsenic0.003%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.010%
Mercury0.001%

Average monthly Indianapolis temperature with heat index

Indianapolis monthly precipitation with daily maximum

Indianapolis monthly snow depth with daily maximum

Indianapolis monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Speedway, IN12,0125918%
Zionsville, IN24,5595918%
Southport, IN1,7785918%
New Palestine, IN2,3855918%
Homecroft, IN6945918%
Indianapolis, IN835,0975918%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Jacksonville, FL837,5333824%
San Francisco, CA829,0724314%
Columbus, OH811,9434314%
Austin, TX864,2184118%
Fort Worth, TX778,573548%
Indianapolis, IN835,0975918%
Source: The Indianapolis, 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.