Indianapolis, IN: records

4 October 2026: The hottest day on record in Indianapolis, IN: 106°F on Tuesday 14 July 1936, Saturday 21 July 1934 and Monday 22 July 1901.

The record begins: 1871

All-time records

The coldest night on record in Indianapolis, IN: a low of -27°F on Wednesday 19 January 1994.
The wettest day on record in Indianapolis, IN: 7.20 in on Monday 1 September 2003.
The warmest night on record in Indianapolis, IN: a low of 85°F on Sunday 28 June 1874.
The coldest day on record in Indianapolis, IN: a high of -11°F on Sunday 20 January 1985.

Records by month

Month	Highest	Lowest	Wettest day
January	71°F 25 January 1950	-27°F 19 January 1994	3.81 in 1 January 1890
February	77°F 20 February 2018	-21°F 10 February 1982	3.02 in 20 February 1882
March	88°F 22 March 2026	-7°F 2 March 1980	4.70 in 25 March 1904
April	90°F 30 April 1942, 24 April 1925	18°F 9 April 1997, 8 April 1972, 13 April 1950	3.90 in 3 April 2018
May	96°F 28 May 1911, 31 May 1895	27°F 9 May 2020	3.80 in 30 May 2004
June	104°F 28 June 2012	37°F 22 June 1992	3.85 in 15 June 2019
July	106°F 14 July 1936, 21 July 1934, 22 July 1901	46°F 23 July 1947, 21 July 1944	5.09 in 1 July 1987
August	103°F 5 August 1918	41°F 29 August 1965	4.46 in 6 August 1976
September	100°F 3 September 2011, 5 September 1954, 2 September 1953 and 3 more	30°F 30 September 1899	7.20 in 1 September 2003
October	92°F 2 October 2019, 1 October 2019	20°F 24 October 1981, 28 October 1976, 26 October 1962	3.88 in 10 October 1959
November	81°F 1 November 1950	-5°F 22 November 1880	4.30 in 18 November 1881
December	74°F 2 December 1982	-23°F 22 December 1989	3.46 in 3 December 1873

Streaks, months and years

The longest run of days with a high of 90°F or above in Indianapolis, IN: 23 days, from Sunday 17 July to Monday 8 August 2011.
The longest run of days with a high of 32°F or below in Indianapolis, IN: 36 days, from Wednesday 29 December 1976 to Wednesday 2 February 1977.
The wettest month on record in Indianapolis, IN: July 2015, with 13.14 in of precipitation.
The driest month on record in Indianapolis, IN: March 1910, with 0.07 in of precipitation.
The wettest year on record in Indianapolis, IN: 1876, with 57.65 in of precipitation.
The driest year on record in Indianapolis, IN: 1934, with 24.97 in of precipitation.

Daily records by decade

New daily records set in Indianapolis, IN by decade since the 1900s: the most record highs, 89, came in the 1930s; the most record lows, 71, in the 1900s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1870s	0	0	9
1880s	0	0	10
1890s	0	0	10
1900s	66	71	10
1910s	81	59	10
1920s	58	50	10
1930s	89	36	10
1940s	47	58	10
1950s	49	53	10
1960s	21	63	10
1970s	36	66	10
1980s	21	44	10
1990s	19	18	10
2000s	22	6	10
2010s	35	5	10
2020s	16	2	7

Indianapolis, IN