Indianapolis Weather in April
April in Indianapolis brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 6°C (43°F). Quite a bit of rainfall is expected, around 134 mm (5.3 in), so pack an umbrella.
Rainfall in Indianapolis in April
The climate data from previous years indicates about 13 days of rain, averaging 134 mm (5.3 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Indianapolis in April
April in Indianapolis brings pleasant temperatures, with highs of 18°C (64°F) and nights around 6°C (43°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Indianapolis in April
With approximately 215 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August and September typically offer the best weather for Indianapolis.
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 April
Min Temperature
6°C (43°F)
Max Temperature
18°C (64°F)
Chance of Rain
43%
Precipitation
134 mm (5.3 in)
Rainy days
13 days
Humidity
66%
Sunshine
215 hours
Percentage Sunshine
55%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Indianapolis typically rise from around 15°C (59°F) at the start of April to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).
Average temperatures in April
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 April
Historical weather for Indianapolis in April
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 April
The extremes listed below come from historical weather data collected in Indianapolis from 1976 through 2026.
- On April 18, 1977, temperatures climbed to 30°C (86°F), marking the warmest April day on record.
- The lowest overnight temperature recorded in April was -8°C (18°F) (April 9, 1997).
- The wettest day in April Indianapolis was on April 3, 2018 with 81 mm (3.2 in) of precipitation.
Best Places in the United States of America in April
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 April →
perfect weather
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What to Wear in Indianapolis in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Indianapolis in April
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.
