Indianapolis, IN weather in April
Expect cool weather with frequent rain in Indianapolis in April, with highs near 64°F and lows near 43°F. Rain falls on about 12 days. Good for outdoor plans.
- Normal high
- 64°F
- Normal low
- 43°F
- Wet days
- 12
- 4.3 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 59°F | 69°F |
| Normal low | 38°F | 49°F |
| Chance of a wet day | 39% | 41% |
| Sunrise / sunset | 7:28 am / 8:08 pm | 6:46 am / 8:37 pm |
| Daylight | 12.7 h | 13.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am46°Fdew point 39°F
- 9 am52°Fdew point 41°F
- Noon58°Fdew point 42°F
- 3 pm61°Fdew point 42°F
- 6 pm60°Fdew point 41°F
- 9 pm54°Fdew point 41°F
NOAA hourly normals (local standard time) from Indianapolis (9 mi away); average wind 11 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F13 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow12 of 30
- Notable rainat least 0.10 in8 of 30
- Freezing nightslow 32°F or below4 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 4.3 in; a dry April brings about 3.1 in and a wet one about 5.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.
How April varies from year to year
- Warmest April, 1991-20202010: average high 71°F
- Coolest April2018: average high 57°F
- Wettest April2013: 8.6 in
- Driest April2004: 1.5 in
- Highest reading86°F (April 30, 2007)
- Lowest reading18°F (April 9, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 52°F | 64°F | 73°F |
| Normal low | 33°F | 43°F | 54°F |
| Wet days | 12 | 12 | 13 |
| Comfortable days | 6 | 13 | 14 |
| Daylight | 12.0 h | 13.3 h | 14.4 h |
Highs change by +12°F from March and +9°F into May.
Nearby alternatives in April
- Warmer: Louisville, KY114 mi · high 70°F · 12 wet days
- Cooler: Elgin, IL192 mi · high 59°F · 13 wet days
How Indianapolis ranks in April
- Normal high227th warmest of 378 cities; 2nd of 6 in Indiana
- Wet days313th driest of 378
- Comfortable days140th most of 340
What to pack for Indianapolis in April
- A rain jacket or umbrella – rain on about 12 days
Frost in April
The last spring frost typically comes around Apr 15; in 1 year in 10 it comes after May 2. All frost dates for Indianapolis.
Heating and cooling
April has 355 heating degree days and 13 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How cold is Indianapolis in April?
The normal high is 64°F and the normal low is 43°F. From 1991 to 2020 the coldest April reading was 18°F (April 9, 1997).
Does it rain a lot in Indianapolis in April?
About 12 days in April have at least 0.01 in of precipitation, and the normal total is 4.3 in. The wettest April in 1991-2020 was in 2013 (8.6 in); the driest was in 2004 (1.5 in).
Does it snow in Indianapolis in April?
Yes. Normal snowfall in April is 0.2 in.
Is April a good time to visit Indianapolis?
April ranks 2nd of 12 months on our comfort score for Indianapolis (66 out of 100). It has about 13 comfortable days. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Indianapolis (USW00093819), 8.6 mi SW of the city center, 790 ft (72 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Indianapolis International Airport (724380-93819), 8.1 mi WSW of the city center, 792 ft (74 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).