Ottumwa weather in April: Ottumwa, Iowa: normal highs, lows, rain and records for April
Ottumwa in April has a normal high of 63°F and a normal low of 39°F, a daily mean of 51°F, rising from 58°F on the 1st to 68°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.75 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 4°C, 95 mm of precipitation and 4 cm of snow in April.
- NOAA stationOttumwa Industrial Airport
- Station IDUSW00014950
- Location41.11°N 92.45°W
- Elevation842 ft (257 m)
- From the center6 miles
- Population25,648
- Jan 32° 14°
- Feb 37° 18°
- Mar 50° 29°
- Apr 63° 39°
- May 73° 51°
- Jun 82° 61°
- Jul 86° 65°
- Aug 84° 62°
- Sep 77° 53°
- Oct 64° 42°
- Nov 50° 30°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ottumwa in April?
The normal high is 63°F and the normal low 39°F, for a daily mean of 51.1°F. April is 11.5°F warmer than March and 10.9°F cooler than May. April is the 7th warmest month of the year in Ottumwa and the 5th wettest. Across the month the normal high rises 10°F, from 58°F on April 1 to 68°F on April 30. From one year to the next April's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 48°F and 54°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 | 58°F | 34°F | 35% | 19% |
| April 8 | 60°F | 37°F | 37% | 22% |
| April 15 | 63°F | 39°F | 39% | 24% |
| April 22 | 65°F | 42°F | 41% | 26% |
| April 30 | 68°F | 45°F | 42% | 27% |
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 | 58°F | 34°F | 35% | 19% | 12 h 40 min |
| April 2 | 58°F | 35°F | 35% | 19% | 12 h 40 min |
| April 3 | 59°F | 35°F | 35% | 20% | 12 h 40 min |
| April 4 | 59°F | 35°F | 35% | 20% | 12 h 50 min |
| April 5 | 59°F | 36°F | 36% | 20% | 12 h 50 min |
| April 6 | 60°F | 36°F | 36% | 21% | 12 h 50 min |
| April 7 | 60°F | 36°F | 37% | 21% | 12 h 50 min |
| April 8 | 60°F | 37°F | 37% | 22% | 13 h |
| April 9 | 61°F | 37°F | 37% | 22% | 13 h |
| April 10 | 61°F | 37°F | 37% | 22% | 13 h |
| April 11 | 61°F | 38°F | 38% | 23% | 13 h 10 min |
| April 12 | 62°F | 38°F | 38% | 23% | 13 h 10 min |
| April 13 | 62°F | 38°F | 38% | 23% | 13 h 10 min |
| April 14 | 62°F | 39°F | 39% | 24% | 13 h 10 min |
| April 15 | 63°F | 39°F | 39% | 24% | 13 h 20 min |
| April 16 | 63°F | 40°F | 39% | 24% | 13 h 20 min |
| April 17 | 63°F | 40°F | 39% | 24% | 13 h 20 min |
| April 18 | 64°F | 40°F | 40% | 25% | 13 h 20 min |
| April 19 | 64°F | 41°F | 40% | 25% | 13 h 30 min |
| April 20 | 64°F | 41°F | 40% | 25% | 13 h 30 min |
| April 21 | 65°F | 41°F | 40% | 26% | 13 h 30 min |
| April 22 | 65°F | 42°F | 41% | 26% | 13 h 30 min |
| April 23 | 65°F | 42°F | 41% | 26% | 13 h 40 min |
| April 24 | 66°F | 42°F | 41% | 26% | 13 h 40 min |
| April 25 | 66°F | 43°F | 41% | 26% | 13 h 40 min |
| April 26 | 66°F | 43°F | 41% | 27% | 13 h 40 min |
| April 27 | 67°F | 44°F | 41% | 27% | 13 h 50 min |
| April 28 | 67°F | 44°F | 41% | 27% | 13 h 50 min |
| April 29 | 67°F | 44°F | 42% | 27% | 13 h 50 min |
| April 30 | 68°F | 45°F | 42% | 27% | 13 h 50 min |
- Normal high
- 63°FApril average
- Normal low
- 39°FApril average
- Precipitation
- 3.75 inmonth total
- Days with precipitation
- 120.01 inch or more
- Snowfall
- 1.4 inmonth total
- Nights at 32°F or colder
- 7
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 9
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014950; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Ottumwa in April?
On a given April day the chance of 0.01 inch or more is 39% on average, highest around April 30 (42%). In all, 3.75 in falls on 12 days of a normal April, 1 of them with an inch or more.
In a normal April in Ottumwa, 7 nights fall to freezing and snowfall averages 1.4 inches.
Snow falls on 1 day in a normal April, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014950.
How humid and windy is Ottumwa in April?
At 3 p.m. the normal temperature is 64°F with 49% relative humidity and a dew point of 45°F; at 6 a.m. it is 48°F with 80% humidity. The wind averages 11.6 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. | 48°F | 42°F | 80% | 10.1 mph | 55% |
| 9 a.m. | 56°F | 44°F | 65% | 12.5 mph | 55% |
| noon | 62°F | 44°F | 53% | 14.1 mph | 51% |
| 3 p.m. | 64°F | 45°F | 49% | 14.2 mph | 48% |
| 6 p.m. | 62°F | 44°F | 52% | 12.8 mph | 51% |
| 9 p.m. | 55°F | 45°F | 67% | 9.9 mph | 59% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014950. 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 Ottumwa?
The warmest April temperature on this station's record (since 1948) is 91°F, on April 30, 1965; the coldest is 9°F, on April 6, 1982. The wettest April brought 8.59 in (2013); the snowiest, 13.3 inches (1997).
The April mean against the 1991-2020 normal of 51.1°F: 2021 51.7°F (+0.6), 2022 47.0°F (−4.1), 2023 51.3°F (+0.1), 2024 52.6°F (+1.5), 2025 53.2°F (+2.1), 2026 56.0°F (+4.9). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.7°F | +0.6°F | 1.98 in |
| 2022 | 47.0°F | −4.1°F | 2.34 in |
| 2023 | 51.3°F | +0.1°F | 1.37 in |
| 2024 | 52.6°F | +1.5°F | 5.42 in |
| 2025 | 53.2°F | +2.1°F | 1.73 in |
| 2026 | 56.0°F | +4.9°F | 4.56 in |
Source: records: ACIS, station USW00014950; recent months: ACIS, station USW00014950. Records and recent months use complete months only.
How does April in Ottumwa 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; Ottumwa's is 63°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.