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Monthly Precipitation Table (20 years)
 

NOTE: The climate information on this page is PRELIMINARY. CERTIFIED climate data is available from the National Centers for Environmental Information  (828-271-4800) or from the Midwest Climate Center (765-494-9837). For questions regarding climate information on this page, send an e-mail to our Webmaster, or call our public service line at 317-856-0664. Additional information can also be found on the NOAA Climate Page or the Indiana State Climate Office.

 

Indianapolis Monthly Summaries 1996-Present

Indianapolis International Airport Daily and Monthly Climate Summaries (CF6)

 

 

 

 

Indianapolis Normals and Averages

  • Daily Temperature, Precipitation and Degree Day Normals (1991-2020) (**Daily normals are also available on the new Climate page)
  • Weather Element Occurrences (Temperatures, Precipitation, Snowfall) (1991-2020) 
Monthly Climate Averages for Indianapolis (1991-2020)
Month Average High

Average Low

Average Precip

Average Snowfall

January 36.1 20.9 3.12 8.8
February 40.8 24.2 2.43 6.0
March 51.9 33.0 3.69 3.2
April 63.9 43.3 4.34 0.2
May 73.4 53.7 4.75 0.0
June 82.0 62.9 4.95 0.0
July 85.2 66.4 4.42 0.0
August 84.3 65.0 3.20 0.0
September 78.2 57.4 3.14 0.0
October 65.6 45.5 3.22 0.1
November 51.8 34.9 3.45 0.8
December 40.4 26.2 2.92 6.4
Annual 62.9 44.6 43.63 25.5

 

Indianapolis Records

Daily, Monthly, Seasonal, and Holiday Records/Extremes:

 

NOTE: These records are now found at the new Climate Records page.

  

Frost and Freeze Information

Spring and Fall Information

 

Other Records and Averages of Interest for Indianapolis:

 

Temperature

Highest Temperature ever recorded: 106 on July 14, 1936 (last of several dates)
Lowest Temperature ever recorded: -27 on January 19, 1994


Greatest temperature change during a calendar day: 58 degrees on January 12, 1916
The high was 68 degrees while the low was 10 degrees.

Average First Freeze Date: October 26
Average Last Freeze Date: April 17
Earliest First Freeze Date on Record: September 30, 1899 and 1993
Latest Last Freeze Date on Record: May 27, 1961

Precipitation (in inches)

Maximum in 24 hours: 7.20 on September 1, 2003
Maximum in 1 Month: 13.14 in July 2015
Minimum in 1 Month: 0.07 in March 1910
Maximum in 1 Year: 57.50 in 1876
Minimum in 1 Year: 24.97 in 1934
Most consecutive days with measurable precipitation: 13; from April 9-21, 1893
Most consecutive days without measurable precipitation: 39; from August 14-September 22, 1908

Snowfall (in inches)

Maximum in 24 hours: 12.5 on February 24-25, 1965
Maximum in a single storm: 16.1 on February 16-17, 1910
Maximum in 1 month: 30.6 in January 1978
Maximum in 1 season: 58.2 on 1981-82
Maximum Depth Measured: 20 on January 26-28, 1978

Normal Date of First Measurable Snowfall: November 24
Normal Date of Last Measurable Snowfall: March 16
Earliest Date of First Measurable Snowfall: October 18, 1989
Latest Date of Last Measurable Snowfall: May 9, 1923

Since 1948...
Day of the Year which has Received the Most Snow: February 25 with 40.8 inches
Maximum Snowfall in a Calendar Day: March 19, 1906 with 12.1 inches
Day of the Year with the Greatest Average Snow Depth: January 31 with 1.7 inches on the ground
Day(s) of the Year with the Most Number of Snow Days of a Trace or Greater: January 9, 15 and 30 with 29 Days

Wind (miles-per-hour)

Average direction and speed: 9.6 from the Southwest

Pressure (inches of Mercury, reduced to sea level)

Highest: 30.96 on February 12, 1981
Lowest:  28.78 on February 28, 1902


Previous Central Indiana Climate Summaries (updated monthly)

 

2024:

January February March April
May June July August
September October November December
Winter (2023-24) Spring Summer Fall
Annual      

 

2023:

 

January February March April
May June July August
September October November December
Winter (2022-23) Spring Summer Fall
Annual      

 

 

Indianapolis Observed Monthly Precipitation Table

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