Weather in Indianapolis in August
Indianapolis, United States averages a high of 28.4°C (83.1°F) and low of 19°C (66.2°F) in August, with 9 rain days and 11.5 hours of daily sunshine. Travel score: 85.8/100 (Excellent). The best time to visit Indianapolis is September.
High
28°C83°F
Low
19°C66°F
🌧️
9
rain days
☀️
11.5
hrs/day sunshine
💧
70%
humidity
86— Excellent
August in Indianapolis is hot and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Indianapolis?
How much does it rain in Indianapolis in August?
Indianapolis receives an average of 71.4mm of rainfall across 9 rainy days in August. The annual total is 1060.6mm.
What should I pack for Indianapolis in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to United States in August?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31