Indianapolis in July
In July, Indianapolis averages 29°C (84°F) during the day and 20°C (67°F) at night, with around 13 days of rain (115 mm total).
High seasonConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
July offers comfortable temperatures in Indianapolis, with some rain to plan around.
How July compares to the rest of the year in Indianapolis
July is one of the warmest months in Indianapolis (1st of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 12°C above the annual average (17°C). July runs 1°C warmer than June (28°C) and cools 1°C in August (28°C).
July sunrise & sunset in Indianapolis
Times shown for Indianapolis local time (America/Indiana/Indianapolis), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Indianapolis — July
Golden-hour and blue-hour windows for the 15th of July, in Indianapolis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Indianapolis in July
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Indianapolis's popularity.
Crowds & pricing — July in Indianapolis
This is a busy month in Indianapolis — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July in Indianapolis
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Indianapolis in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 3°C / 38°F | -5°C / 23°F | 82 mm | 10 | — |
| February | 6°C / 42°F | -4°C / 24°F | 86 mm | 10 | — |
| March | 11°C / 52°F | 1°C / 33°F | 127 mm | 12 | — |
| April | 17°C / 63°F | 6°C / 43°F | 107 mm | 12 | — |
| May | 23°C / 73°F | 13°C / 55°F | 124 mm | 14 | — |
| June | 28°C / 82°F | 18°C / 64°F | 102 mm | 12 | — |
| July | 29°C / 84°F | 20°C / 67°F | 115 mm | 13 | — |
| August | 28°C / 83°F | 19°C / 66°F | 89 mm | 11 | — |
| September | 26°C / 79°F | 16°C / 61°F | 72 mm | 8 | — |
| October | 19°C / 66°F | 10°C / 50°F | 87 mm | 11 | — |
| November | 11°C / 51°F | 2°C / 36°F | 76 mm | 8 | — |
| December | 7°C / 44°F | -1°C / 30°F | 85 mm | 10 | — |
Other cities with similar July weather
🌍 See the full ranked list of climate twins for Indianapolis in July →
Frequently asked questions
How hot is Indianapolis in July?
In July, Indianapolis averages a high of 29°C (84°F) and a low of 20°C (67°F) — generally warm.
Does it rain a lot in Indianapolis in July?
July can be fairly wet in Indianapolis, with about 13 rainy days on average.
Is July a good time to visit Indianapolis?
July is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Indianapolis in July?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Indianapolis for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.