Indianapolis - Temperature Averages by Decade





Summarized here are the temperatures extending over seven decades at Indianapolis, Indiana. Listed for every decade from the 1950s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. The 2010s data go to the end of 2018. All the temperature data were collected at Indianapolis International Airport.

High Temperature for Each Decade

Average daily maximum temperature at Indianapolis
High °F Decade High °C
63.4 2010s 17.5
62.7 2000s 17.1
62.8 1990s 17.1
62.2 1980s 16.8
62.0 1970s 16.7
61.6 1960s 16.4
62.4 1950s 16.9

Low Temperature for Each Decade

Average daily minimum temperature at Indianapolis
Low °F Decade Low °C
45.1 2010s 7.3
44.4 2000s 6.9
43.9 1990s 6.6
42.7 1980s 5.9
42.4 1970s 5.8
41.7 1960s 5.4
42.5 1950s 5.8

Hot Days per Decade

Total days per year on average when the temperature in Indianapolis reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 168 27
2000s 163 14
1990s 157 18
1980s 163 22
1970s 167 13
1960s 162 17
1950s 163 23

Cold Days per Decade

Total days per year on average when the temperature in Indianapolis dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 3 106
2000s 3 104
1990s 4 106
1980s 8 115
1970s 10 119
1960s 8 122
1950s 4 123
Reference

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.

Back to Top