39.725°N, 86.282°W · station INDthr · 1871–2026 · 156 years of record
The Almanac Ribbon
Every day of the year at Indianapolis: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 106°F · coldest ever -27°F
Records by Month
Month
Record high
Record low
Jan
71°Jan 25, 1950
-27°Jan 19, 1994
Feb
77°Feb 20, 2018
-21°Feb 10, 1982
Mar
88°Mar 22, 2026
-7°Mar 2, 1980
Apr
90°Apr 24, 1925
18°Apr 13, 1950
May
96°May 31, 1895
27°May 9, 2020
Jun
104°Jun 28, 2012
37°Jun 22, 1992
Jul
106°Jul 22, 1901
46°Jul 21, 1944
Aug
103°Aug 5, 1918
41°Aug 29, 1965
Sep
100°Sep 14, 1939
30°Sep 30, 1899
Oct
92°Oct 1, 2019
20°Oct 26, 1962
Nov
81°Nov 1, 1950
-5°Nov 22, 1880
Dec
74°Dec 2, 1982
-23°Dec 22, 1989
All-time
106°Jul 22, 1901
-27°Jan 19, 1994
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Indianapolis on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Aug 25
96°
1872
154yrs
Apr 4
81°
1873
153yrs
Dec 25
67°
1875
151yrs
Dec 30
68°
1875
151yrs
Jan 1
69°
1876
150yrs
Feb 1
63°
1877
149yrs
Dec 17
65°
1877
149yrs
Dec 18
67°
1877
149yrs
Dec 19
66°
1877
149yrs
Oct 11
86°
1879
147yrs
Jan 9
66°
1880
146yrs
May 12
88°
1881
145yrs
Oldest-standing record lows
Date
Record
Set
Standing
Nov 20
11°
1872
154yrs
Jan 29
-13°
1873
153yrs
Nov 29
-2°
1874
152yrs
Jan 9
-18°
1875
151yrs
Feb 15
-8°
1875
151yrs
Apr 15
21°
1875
151yrs
Apr 16
19°
1875
151yrs
Apr 17
19°
1875
151yrs
Sep 20
35°
1875
151yrs
Oct 9
30°
1876
150yrs
Oct 16
26°
1876
150yrs
Dec 9
-15°
1876
150yrs
All-Time Extremes
Hottest ever
106°F
1901-07-22
Coldest ever
-27°F
1994-01-19
Longest heat streak
23 days
≥ 90°F · ended 2011-08-08
The Warming Trend
Indianapolis's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
17 days ≥90°F in 2026 · normal 21 · record 58 in 1983
57 days ≤32°F in 2026 · normal 108 · record 145 in 1976
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.