Is Indianapolis hot in August?
Days are typically warm at 28.3°C, while nights average 17°C.
United States · 1991–2020 normal
Indianapolis in
August.
Typical August weather in Indianapolis: 28.3°C by day, 17°C at night, 90 mm of rain over 6.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.3°C
Typical low17°C
Rain90 mm
Wet days6.8
In the year-round weather comparison, August scores 71 out of 100 (September leads the year at 83). Daylight is calculated as 13 h 44 from latitude 39.77°.
August at a glance
What is Indianapolis like in August?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 90 mm across about 7 wet days.
How much daylight is there?
There are about 13 h 44 between sunrise and sunset at mid-month, calculated from the place latitude.
Is August a good time to visit?
August ranks 2 of 12 in our weather comparison; September ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4259418
- NOAA station
- USC00124272 · INDIANAPOLIS SE SIDE
- Station distance
- 9.6 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Indianapolis is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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