Indianapolis in April
In April, Indianapolis averages 17°C (63°F) during the day and 6°C (43°F) at night, with around 12 days of rain (107 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
April in Indianapolis is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How April compares to the rest of the year in Indianapolis
April is in the middle of the year for warmth in Indianapolis (7th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature matches the city's annual average. April runs 6°C warmer than March (11°C) and warms a further 6°C into May (23°C).
April sunrise & sunset in Indianapolis
Times shown for Indianapolis local time (America/Indiana/Indianapolis), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in Indianapolis — April
Golden-hour and blue-hour windows for the 15th of April, in Indianapolis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Indianapolis in April
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 April's tier (Shoulder) and Indianapolis's popularity.
Crowds & pricing — April in Indianapolis
Indianapolis is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — April 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 April weather
🌍 See the full ranked list of climate twins for Indianapolis in April →
Frequently asked questions
How hot is Indianapolis in April?
In April, Indianapolis averages a high of 17°C (63°F) and a low of 6°C (43°F) — generally mild and pleasant.
Does it rain a lot in Indianapolis in April?
April can be fairly wet in Indianapolis, with about 12 rainy days on average.
Is April a good time to visit Indianapolis?
April is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Indianapolis in April?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full April packing list for Indianapolis for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.