Indianapolis Weather in July
Indianapolis in July sees high temperatures, with highs around 29°C (84°F) and overnight lows of 19°C (66°F). Rainfall is fairly high at around 111 mm (4.4 in) on average, so pack waterproofs just in case.
Rainfall in Indianapolis in July
Records from the past 30 years suggest around 12 days of rain, with 111 mm (4.4 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Indianapolis in July
Daytime temperatures in Indianapolis reach 29°C (84°F) in July, dropping to 19°C (66°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. It's the warmest month of the year on average, so summer clothing is the way to go.
Sunshine in Indianapolis in July
The month enjoys around 297 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer dry days with pleasant temperatures, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Indianapolis's climate page.
Indianapolis Temperature in July
Min Temperature
19°C (66°F)
Max Temperature
29°C (84°F)
Chance of Rain
39%
Precipitation
111 mm (4.4 in)
Rainy days
12 days
Humidity
73%
Sunshine
297 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Indianapolis typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 21°C (70°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Indianapolis in July
Browse day-by-day weather records for Indianapolis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Indianapolis historical weather extremes in July
The extremes listed below come from historical weather data collected in Indianapolis from 1976 through 2025.
- Indianapolis recorded its highest July temperature of 40°C (104°F) on July 7, 2012.
- Indianapolis experienced its chilliest July day on July 13, 1990, reaching only 18°C (64°F).
- The lowest overnight temperature recorded in July was 10°C (50°F) (July 5, 1997).
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
perfect weather
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What to Wear in Indianapolis in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Indianapolis in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Indianapolis's climate page.
Temperature Rainfall Sunshine Humidity
See the full Indianapolis climate overview or explore weather in the United States of America.
