Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

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Monthly Precipitation Table (20 years)

NOTE: The past weather information on this page is PRELIMINARY. CERTIFIED data is available from NCEI (828-271-4800) or from MRCC (765-494-9837). For questions regarding information on this page, send an e-mail to our Webmaster, or call our public service line at 317-856-0664.

Indianapolis Monthly Summaries 1996-Present

Indianapolis International Airport Daily and Monthly Weather Summaries (CF6)

Indianapolis Normals and Averages

Daily Temperature, Precipitation and Degree Day Normals (1991-2020) (**Daily normals are also available on the new Normals page)
Weather Element Occurrences (Temperatures, Precipitation, Snowfall) (1991-2020)

**Monthly 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 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

Highest wind gust (1984-present): 85 on April 14, 2006

Pressure (inches of Mercury, reduced to sea level)

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