Weather in Indianapolis, Indiana, United States in August
In an average August, Indianapolis sees a daily high around 83°F and a low around 63°F, based on 1981–2026 of local climate records.
| Average high | 83°F |
|---|---|
| Typical high range | 76°F to 90°F |
| Average low | 63°F |
| Typical low range | 55°F to 70°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
102°F
1988-08-16
Lowest
65°F
1986-08-28
Low
Highest
76°F
2007-08-09
Lowest
42°F
1986-08-29
Feels-like
Highest
131°F
2007-08-08
Lowest
37°F
1986-08-28
Humidity
Highest
23.6 g/m³
2010-08-04
Lowest
6.4 g/m³
1986-08-29
Wind
Highest
23 mph
2001-08-16
Lowest
3 mph
1991-08-30
Precip
Wettest
6.10 in
2016
Driest
1.31 in
2025
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