Average temperature in April is 11.3 °C
Average daytime temperature is 18.2 °C
Average night temperature is 5.7 °C
Absolute maximum temperature: 28.6 °C
Absolute minimum temperature: -2.2 °C
Number of sunny days: 17
Number of rainy days: 12
Number of snow days: 1
Precipitation sum: 41 mm
* Weather data for Ottumwa United States is based on climate observations for 2023 year
| April (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 11.5 | 19.4 | 16.8 | 28.6 | 22.1 | 10.7 | 15.3 | 17.6 | 19.2 | 21.1 | 24.5 | 24.8 | 25.2 | 26.5 | 23.7 | 9.2 | 14.9 | 17.2 | 24.5 | 23.2 | 13 | 8.3 | 9.4 | 15.8 | 15.9 | 14.9 | 20.2 | 21.8 | 18.7 | 12.4 |
| Apparent max temperature | 5.9 | 16 | 15 | 26.7 | 19.5 | 7.9 | 12.1 | 13.9 | 16 | 19.7 | 22.6 | 22.5 | 23.2 | 24.8 | 21.7 | 5.4 | 9 | 13.6 | 24.4 | 22.3 | 6.6 | 1.6 | 4.4 | 13.8 | 14.4 | 13.1 | 19 | 21.9 | 16.4 | 4.8 |
| Mean temperature | 6.2 | 8.5 | 11.2 | 14.4 | 11.1 | 4.2 | 7.1 | 10.6 | 12.4 | 14 | 16.1 | 19.3 | 19 | 19.3 | 18.3 | 5.1 | 7.5 | 9.1 | 16 | 18.1 | 9 | 4.4 | 4.7 | 6.9 | 10.3 | 9.2 | 11.5 | 14.5 | 12 | 8.1 |
| Apparent mean temperature | -6.7 | -2.8 | 2.5 | 1.7 | -1.5 | -6.8 | -4.2 | -0.4 | 2.1 | 4.4 | 7.8 | 11.2 | 9.9 | 9.7 | 11 | -3.8 | -4 | -1.6 | 6.1 | 9.1 | 2.3 | -4.7 | -3.7 | -4.1 | 3.4 | -0.7 | 0.5 | 3.8 | 4.4 | -0.6 |
| Minimum temperature | 1.9 | 1 | 6.5 | 6.6 | 4.2 | -2.2 | -0.1 | 3.6 | 6.2 | 8.2 | 9.8 | 14.4 | 12.7 | 12.7 | 13.5 | 2.6 | 3.2 | 1.9 | 10.6 | 14.4 | 5.8 | 0.8 | 0.2 | -0.1 | 6 | 3.1 | 4.1 | 6.8 | 7.7 | 5.4 |
| Apparent min temperature | -0.3 | 4.5 | 7 | 10.6 | 6.8 | 0 | 3.5 | 6.5 | 8.5 | 10.9 | 14.2 | 16.4 | 16.3 | 16.8 | 16.5 | -1.2 | 0.6 | 5.4 | 12.8 | 14.9 | 4.2 | -1.7 | -0.1 | 3.1 | 8.2 | 5.8 | 8.5 | 12.8 | 8 | 2 |
| April | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.7 | 12.7 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 |
| Sunshine duration (h) | 8.6 | 11.7 | 7.3 | 5.5 | 11.5 | 11.8 | 11.9 | 11.9 | 12 | 9 | 12 | 12.1 | 12.2 | 11.2 | 5.9 | 0.2 | 11 | 12.3 | 5.6 | 6.5 | 12.2 | 2.1 | 10.1 | 5.8 | 10.8 | 12.3 | 12.7 | 12.6 | 8.3 | 6.7 |
| Precipitation (mm) | 0.4 | 0 | 3.6 | 2.2 | 13.3 | 0 | 0 | 0 | 0 | 0.9 | 0 | 0 | 0 | 0 | 0.1 | 7.2 | 0.1 | 0 | 3.8 | 2.1 | 0 | 0.2 | 0 | 0 | 4.4 | 0 | 0 | 0 | 2.3 | 0 |
| Precipitation hours | 2 | 0 | 4 | 2 | 7 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 13 | 1 | 0 | 3 | 8 | 0 | 2 | 0 | 0 | 9 | 0 | 0 | 0 | 7 | 0 |
| Wind speed (m/s) | 44.6 | 27.7 | 26.1 | 29 | 32.3 | 21.5 | 17 | 19.5 | 20.1 | 19 | 21.8 | 27.7 | 23.8 | 20.7 | 24.5 | 39.6 | 36 | 22 | 26.1 | 41.7 | 35.9 | 29 | 24.2 | 13.7 | 13.5 | 17.2 | 14.3 | 12.1 | 28.6 | 41.8 |
In April 2023, the highest daytime temperature in Ottumwa was 28.6°C.
While the minimum temperature at night dropped to -2.2°C.
The average nighttime and daytime temperatures during April in Ottumwa are 5.7°C and 18.2°C respectively.
The precipitation sum in April is about 41 mm.