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Indianapolis climate
Typical historical weather for Indianapolis, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Indianapolis.
Annual average
12.6°C
across all months
Warmest month
29.3°C
Jul average high
Coolest month
-4.8°C
Jan average low
Annual rainfall
1133mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
35.2°C
5 July 2022
Coldest day
-28.6°C
2 January 2018
Wettest day
100.2mm
8 September 2018
Windiest day
9.3m/s
24 February 2019
See the detail: Indianapolis on 8 September 2018.