Mid-spring · Weather & things to do
Indianapolis in April
Indianapolis warms up: highs climb to 63°F (17°C), from 50°F in March, with lows of 42°F (5°C) and about 4.4 in (111 mm) of rain.
It scores 79/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.
- Avg high
- 63°F (17°C)
- Avg low
- 42°F (5°C)
- Rain
- 4.4 in (111 mm)
- Humidity
- 78%
- Cloud cover
- 61%
- Daylight
- ~13 h 03 min
- Comfort score
- 79/100 · Great
What April feels like
Days are mild at around 63°F (17°C): comfortable for walking all day, with a layer for the evening.
There's a big swing between day and night, about 12°C (22°F), so mornings and evenings feel much cooler than the afternoon.
Some rain is likely, about 4.4 in (111 mm) in the month, so pack for a shower or two.
Plan around April
April is shoulder season: good weather, a step below the best months (September & October).
- The year's biggest warm-up: highs jump 7°C (13°F) from March.
- Comfort improves from 58/100 in March to 79/100.
- Our Indiana & Ohio City-Nature Loop recommends May – Oct, so April falls outside its suggested window.
What to pack for April
- A warm layer for eveningslows near 42°F
- Packable rain jacket or umbrellaabout 4.4 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Indianapolis in April
April is good outdoor weather here, so these picks lean toward the open air.
Soldiers' and Sailors' Monument
Monument Circle's 284-foot centerpiece; ride or climb to the observation deck.
Shapiro's Delicatessen
Family-run deli since 1905; cafeteria line for corned beef and pastrami.
Indianapolis Cultural Trail
8-mile protected bike and walking path linking downtown's cultural districts.
Why now April scores 79/100 for comfort, good conditions for being outside.
Newfields
Indianapolis Museum of Art plus 100+ acres of gardens and the Lilly House.
Sun King Brewery
Downtown taproom of one of Indiana's best-known craft breweries.
Nearby in April
- Broad Ripple in April~7 mi · highs 63°F, 4.4 in rain · similar daytime temperatures, about as wet
- Downtown Cincinnati in April~99 mi · highs 66°F, 4.4 in rain · 2°C (3°F) warmer by day, about as wet
- Louisville in April~107 mi · highs 67°F, 5.2 in rain · 2°C (4°F) warmer by day, wetter
- Indiana Dunes in April~138 mi · highs 58°F, 3.5 in rain · 3°C (5°F) cooler by day, drier
These averages also cover Downtown Indianapolis.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Indianapolis in April: quick answers
Is April a good time to visit Indianapolis?
It's a good shoulder-season choice, scoring 79/100 against a best of 89 in September & October. Expect highs of 63°F (17°C) and 4.4 in (111 mm) of rain. Our Indiana & Ohio City-Nature Loop recommends May – Oct, so April is outside its suggested window.
How cold is Indianapolis in April?
Average highs are 63°F (17°C) and average lows 42°F (5°C), making it the 6th-coldest month by daytime highs.
Does it rain a lot in Indianapolis in April?
Some: about 4.4 in (111 mm) of rain falls across April on average, the 4th-wettest month of the year. The annual total is about 44.9 in (1141 mm).
What should I pack for Indianapolis in April?
Bring a warm layer for evenings (lows near 42°F), packable rain jacket or umbrella (about 4.4 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Indianapolis
Planning Indianapolis in April?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.