Indianapolis weather in April: Indianapolis, Indiana: normal highs, lows, rain and records for April
Indianapolis in April has a normal high of 64°F and a normal low of 43°F, a daily mean of 54°F, rising from 59°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 4.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 6°C, 110 mm of precipitation and 1 cm of snow in April.
- NOAA stationIndianapolis International Airport
- Station IDUSW00093819
- Location39.71°N 86.28°W
- Elevation790 ft (241 m)
- From the center9 miles
- Population891,484
- Jan 36° 21°
- Feb 41° 24°
- Mar 52° 33°
- Apr 64° 43°
- May 73° 54°
- Jun 82° 63°
- Jul 85° 66°
- Aug 84° 65°
- Sep 78° 57°
- Oct 66° 46°
- Nov 52° 35°
- Dec 40° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Indianapolis in April?
The normal high is 64°F and the normal low 43°F, for a daily mean of 53.6°F. April is 11.2°F warmer than March and 10.0°F cooler than May. April is the 7th warmest month of the year in Indianapolis and the 4th wettest. Across the month the normal high rises 10°F, from 59°F on April 1 to 69°F on April 30. From one year to the next April's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 51°F and 56°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 59°F | 38°F | 39% | 24% |
| April 8 | 61°F | 41°F | 40% | 26% |
| April 15 | 64°F | 43°F | 40% | 27% |
| April 22 | 66°F | 46°F | 41% | 28% |
| April 30 | 69°F | 49°F | 42% | 29% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 59°F | 38°F | 39% | 24% | 12 h 40 min |
| April 2 | 59°F | 39°F | 39% | 25% | 12 h 40 min |
| April 3 | 59°F | 39°F | 39% | 25% | 12 h 40 min |
| April 4 | 60°F | 39°F | 39% | 25% | 12 h 40 min |
| April 5 | 60°F | 40°F | 39% | 25% | 12 h 50 min |
| April 6 | 61°F | 40°F | 39% | 26% | 12 h 50 min |
| April 7 | 61°F | 40°F | 39% | 26% | 12 h 50 min |
| April 8 | 61°F | 41°F | 40% | 26% | 12 h 50 min |
| April 9 | 62°F | 41°F | 40% | 26% | 13 h |
| April 10 | 62°F | 41°F | 40% | 26% | 13 h |
| April 11 | 62°F | 42°F | 40% | 27% | 13 h |
| April 12 | 63°F | 42°F | 40% | 27% | 13 h 10 min |
| April 13 | 63°F | 42°F | 40% | 27% | 13 h 10 min |
| April 14 | 64°F | 43°F | 40% | 27% | 13 h 10 min |
| April 15 | 64°F | 43°F | 40% | 27% | 13 h 10 min |
| April 16 | 64°F | 44°F | 40% | 28% | 13 h 20 min |
| April 17 | 65°F | 44°F | 40% | 28% | 13 h 20 min |
| April 18 | 65°F | 44°F | 41% | 28% | 13 h 20 min |
| April 19 | 65°F | 45°F | 41% | 28% | 13 h 20 min |
| April 20 | 66°F | 45°F | 41% | 28% | 13 h 20 min |
| April 21 | 66°F | 45°F | 41% | 28% | 13 h 30 min |
| April 22 | 66°F | 46°F | 41% | 28% | 13 h 30 min |
| April 23 | 67°F | 46°F | 41% | 29% | 13 h 30 min |
| April 24 | 67°F | 46°F | 41% | 29% | 13 h 30 min |
| April 25 | 67°F | 47°F | 41% | 29% | 13 h 40 min |
| April 26 | 68°F | 47°F | 41% | 29% | 13 h 40 min |
| April 27 | 68°F | 47°F | 41% | 29% | 13 h 40 min |
| April 28 | 68°F | 48°F | 42% | 29% | 13 h 40 min |
| April 29 | 68°F | 48°F | 42% | 29% | 13 h 50 min |
| April 30 | 69°F | 49°F | 42% | 29% | 13 h 50 min |
- Normal high
- 64°FApril average
- Normal low
- 43°FApril average
- Precipitation
- 4.34 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 4
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 10
- Days at 80°F or more
- 2
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093819; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Indianapolis in April?
On a given April day the chance of 0.01 inch or more is 40% on average, highest around April 30 (42%). In all, 4.34 in falls on 12 days of a normal April, 1 of them with an inch or more.
In a normal April in Indianapolis, 4 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093819.
How humid and windy is Indianapolis in April?
At 3 p.m. the normal temperature is 65°F with 51% relative humidity and a dew point of 47°F; at 6 a.m. it is 50°F with 79% humidity. The wind averages 10.4 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 50°F | 44°F | 79% | 8.5 mph | – |
| 9 a.m. | 57°F | 46°F | 67% | 11.1 mph | 32% |
| noon | 63°F | 47°F | 55% | 12.7 mph | – |
| 3 p.m. | 65°F | 47°F | 51% | 13.1 mph | – |
| 6 p.m. | 64°F | 46°F | 53% | 11.9 mph | – |
| 9 p.m. | 58°F | 46°F | 63% | 9.1 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093819. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for April in Indianapolis?
The warmest April temperature on Indianapolis's official record (since 1871) is 90°F, on April 24, 1925; the coldest is 18°F, on April 13, 1950. The wettest April brought 8.60 in (1893); the snowiest, 6.9 inches (1886).
The April mean against the 1991-2020 normal of 53.6°F: 2021 53.2°F (−0.4), 2022 51.5°F (−2.1), 2023 54.2°F (+0.6), 2024 56.1°F (+2.5), 2025 54.9°F (+1.3), 2026 60.4°F (+6.8). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 53.2°F | −0.4°F | 3.80 in |
| 2022 | 51.5°F | −2.1°F | 4.42 in |
| 2023 | 54.2°F | +0.6°F | 2.29 in |
| 2024 | 56.1°F | +2.5°F | 7.77 in |
| 2025 | 54.9°F | +1.3°F | 8.02 in |
| 2026 | 60.4°F | +6.8°F | 3.32 in |
Source: records: ACIS, NWS threaded record INDthr; recent months: ACIS, station USW00093819. Records and recent months use complete months only.
How does April in Indianapolis compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, April normal highs run from 58°F in Angola to 70°F in Boonville; Indianapolis's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.