Iowa City weather in April: Iowa City, Iowa: normal highs, lows, rain and records for April
Iowa City in April has a normal high of 63°F and a normal low of 40°F, a daily mean of 51°F, rising from 57°F on the 1st to 68°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 3.76 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 5°C, 96 mm of precipitation in April.
- NOAA stationIowa City Municipal Airport
- Station IDUSW00014937
- Location41.63°N 91.54°W
- Elevation650 ft (198 m)
- From the center2 miles
- Population76,710
- Jan 31° 15°
- Feb 36° 19°
- Mar 50° 30°
- Apr 63° 40°
- May 73° 52°
- Jun 83° 62°
- Jul 86° 66°
- Aug 84° 63°
- Sep 78° 54°
- Oct 64° 42°
- Nov 49° 30°
- Dec 36° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Iowa City in April?
The normal high is 63°F and the normal low 40°F, for a daily mean of 51.4°F. April is 11.9°F warmer than March and 11.2°F cooler than May. April is the 7th warmest month of the year in Iowa City and the 5th wettest. Across the month the normal high rises 11°F, from 57°F on April 1 to 68°F on April 30. From one year to the next April's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 48°F and 55°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 57°F | 35°F | 34% | 19% |
| April 8 | 60°F | 38°F | 36% | 21% |
| April 15 | 63°F | 40°F | 38% | 22% |
| April 22 | 65°F | 42°F | 39% | 24% |
| April 30 | 68°F | 45°F | 40% | 25% |
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 | 57°F | 35°F | 34% | 19% | 12 h 40 min |
| April 2 | 58°F | 36°F | 35% | 19% | 12 h 40 min |
| April 3 | 58°F | 36°F | 35% | 20% | 12 h 40 min |
| April 4 | 59°F | 36°F | 35% | 20% | 12 h 50 min |
| April 5 | 59°F | 37°F | 35% | 20% | 12 h 50 min |
| April 6 | 59°F | 37°F | 36% | 20% | 12 h 50 min |
| April 7 | 60°F | 37°F | 36% | 21% | 13 h |
| April 8 | 60°F | 38°F | 36% | 21% | 13 h |
| April 9 | 60°F | 38°F | 36% | 21% | 13 h |
| April 10 | 61°F | 38°F | 37% | 21% | 13 h |
| April 11 | 61°F | 39°F | 37% | 22% | 13 h 10 min |
| April 12 | 62°F | 39°F | 37% | 22% | 13 h 10 min |
| April 13 | 62°F | 39°F | 37% | 22% | 13 h 10 min |
| April 14 | 62°F | 40°F | 37% | 22% | 13 h 10 min |
| April 15 | 63°F | 40°F | 38% | 22% | 13 h 20 min |
| April 16 | 63°F | 40°F | 38% | 23% | 13 h 20 min |
| April 17 | 63°F | 41°F | 38% | 23% | 13 h 20 min |
| April 18 | 64°F | 41°F | 38% | 23% | 13 h 30 min |
| April 19 | 64°F | 41°F | 39% | 23% | 13 h 30 min |
| April 20 | 64°F | 42°F | 39% | 24% | 13 h 30 min |
| April 21 | 65°F | 42°F | 39% | 24% | 13 h 30 min |
| April 22 | 65°F | 42°F | 39% | 24% | 13 h 40 min |
| April 23 | 65°F | 43°F | 39% | 24% | 13 h 40 min |
| April 24 | 66°F | 43°F | 39% | 24% | 13 h 40 min |
| April 25 | 66°F | 43°F | 39% | 25% | 13 h 40 min |
| April 26 | 66°F | 44°F | 40% | 25% | 13 h 50 min |
| April 27 | 67°F | 44°F | 40% | 25% | 13 h 50 min |
| April 28 | 67°F | 45°F | 40% | 25% | 13 h 50 min |
| April 29 | 67°F | 45°F | 40% | 25% | 13 h 50 min |
| April 30 | 68°F | 45°F | 40% | 25% | 14 h |
- Normal high
- 63°FApril average
- Normal low
- 40°FApril average
- Precipitation
- 3.76 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 7
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 8
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014937; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Iowa City in April?
On a given April day the chance of 0.01 inch or more is 38% on average, highest around April 30 (40%). In all, 3.76 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in Iowa City, 7 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014937.
What are the records for April in Iowa City?
The warmest April temperature on this station's record (since 1948) is 92°F, on April 29, 1952; the coldest is 15°F, on April 2, 2018. The wettest April brought 8.45 in (2013); the snowiest, 1.3 inches (1950).
The April mean against the 1991-2020 normal of 51.4°F: 2021 52.0°F (+0.6), 2022 46.8°F (−4.6), 2023 50.9°F (−0.5), 2024 52.9°F (+1.5), 2025 53.1°F (+1.7), 2026 55.7°F (+4.3). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 52.0°F | +0.6°F | 2.37 in |
| 2022 | 46.8°F | −4.6°F | 3.44 in |
| 2023 | 50.9°F | −0.5°F | 1.48 in |
| 2024 | 52.9°F | +1.5°F | 5.30 in |
| 2025 | 53.1°F | +1.7°F | 3.22 in |
| 2026 | 55.7°F | +4.3°F | 6.95 in |
Source: records: ACIS, station USW00014937; recent months: ACIS, station USW00014937. Records and recent months use complete months only.
How does April in Iowa City compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, April normal highs run from 54°F in Northwood to 64°F in Glenwood; Iowa City's is 63°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.