Weather in Indianapolis in August
How warm is it in Indianapolis in August?
In August the typical daytime high in Indianapolis is 29.5 °C on average, from 30.0 °C at the start to 29.1 °C at the end of the month.
That is 0.7 °C cooler than in July and 2.6 °C warmer than in September.
The last 10 years were 0.7 °C cooler than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Columbus (70 km), Lexington Bluegrass Ap (235 km) and Bowling Green Wwtp (280 km); nearer ones count more.