Cool
Average highs are around 19°C, so pack for cooler days.
Weather Guide
Indianapolis, Indiana, United States Average Monthly Weather
Weather score48Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 17°C, sunshine averages 6.7h per day, and rainfall totals about 1032mm.
Annual weather
Annual averages
Temp
17°C
Rain
1032mm
Annual total
Sun
6.7h
Weather score
48
Mixed avg
Seasonal climate calendar
Trip feel
Drier
Rainfall averages 70mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Map
Weather map
Compare Indianapolis, Indiana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October19°C average high
October is close to Indianapolis' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
October70mm average rain
October sits on the drier side of Indianapolis' year, which helps with sightseeing and transfers.
Driest monthsJanuary to February, June, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.2 hours average sun
October sits close to Indianapolis' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
October42 weather score
October scores below Indianapolis' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels in Indianapolis, Indiana, United States
Marriott
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JW Marriott IndianapolisIndianapolis, Indiana, USA
Indianapolis Marriott DowntownIndianapolis, Indiana, USA
Indianapolis Marriott EastIndianapolis, Indiana, USA
Marriott Indianapolis NorthIndianapolis, Indiana, USA
The Westin IndianapolisIndianapolis, Indiana, USA
Sheraton Indianapolis City Centre HotelIndianapolis, Indiana, USA