Average temperature in April is 8 °C
Average daytime temperature is 14.2 °C
Average night temperature is 3.2 °C
Absolute maximum temperature: 24.7 °C
Absolute minimum temperature: -5 °C
Number of sunny days: 17
Number of rainy days: 12
Number of snow days: 1
Precipitation sum: 89 mm
* Weather data for Postville 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 | 12.2 | 15.9 | 13.7 | 10.1 | 14.6 | 7.7 | 13.4 | 15.6 | 17.4 | 20.2 | 22.2 | 24.7 | 23.8 | 24.2 | 22.2 | 11.5 | 5.8 | 11.1 | 12.6 | 17.7 | 8.3 | 5.3 | 5.5 | 10.1 | 10.2 | 12.3 | 17.6 | 19.5 | 14 | 7.6 |
| Apparent max temperature | 7.4 | 11.3 | 8.9 | 6.1 | 11.7 | 2.5 | 9.2 | 12.2 | 13.3 | 19 | 20.4 | 22.5 | 21.4 | 21.9 | 19.6 | 7.4 | 0 | 9.4 | 8.6 | 15.1 | 2 | -1 | 0.3 | 5.9 | 7.8 | 9.9 | 15.1 | 18.5 | 11.7 | 3.7 |
| Mean temperature | 4 | 3.9 | 7.1 | 7.1 | 8.1 | 0.6 | 3.9 | 9.4 | 11.3 | 13.6 | 15.4 | 18.9 | 18.8 | 18.3 | 17.2 | 4 | 0.4 | 3.6 | 7.2 | 9 | 5.4 | 1.7 | 1.9 | 3.1 | 4.5 | 5.2 | 9.8 | 12.9 | 8.1 | 4.5 |
| Apparent mean temperature | -7.3 | -6.8 | -1.9 | -0.6 | -4.3 | -10.3 | -7.9 | -0.4 | 1.5 | 4.3 | 6.9 | 10.9 | 9.4 | 8.5 | 11.7 | -6.7 | -9.8 | -7.1 | -1.7 | 0.3 | -2.7 | -6.5 | -5.6 | -7.2 | -5.5 | -5.8 | -0.1 | 2.7 | -0.4 | -4.2 |
| Minimum temperature | 0 | -2.9 | 1.3 | 4.3 | 3 | -5 | -2.5 | 3.4 | 6.3 | 8.6 | 9.5 | 14.7 | 12.4 | 11.5 | 13.5 | -0.5 | -2.2 | -3 | 4 | 5.4 | 3 | -1.9 | -1.2 | -3.3 | -1.2 | -2.4 | 5.2 | 5.7 | 3.6 | 2.7 |
| Apparent min temperature | -1.9 | -0.6 | 3.6 | 2.6 | 3.5 | -5.4 | -0.6 | 5 | 6.9 | 10.2 | 13.2 | 15.8 | 15.8 | 15.3 | 15.5 | -1 | -6.6 | 0.3 | 2.3 | 5 | -0.3 | -3.6 | -3.2 | -1 | 0.8 | 2 | 5.8 | 10.2 | 4.1 | -1.3 |
| 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 | 12.8 | 12.8 | 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 | 13.7 | 13.7 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 14 | 14 | 14.1 |
| Sunshine duration (h) | 9 | 6 | 4.9 | 1.9 | 7.4 | 11.9 | 11.9 | 11.1 | 11.8 | 10 | 11.8 | 12 | 12.1 | 12.1 | 9.6 | 1 | 6.8 | 12.4 | 3.5 | 3.7 | 8.2 | 12 | 7.4 | 9.6 | 11.8 | 12.7 | 12.1 | 12.2 | 10.2 | 0.5 |
| Precipitation (mm) | 3.2 | 0 | 0 | 14.5 | 1.4 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28.5 | 11.8 | 0 | 11.9 | 9.3 | 0 | 1.4 | 0 | 0.2 | 0 | 0 | 0 | 0.1 | 4.7 | 1.6 |
| Precipitation hours | 7 | 0 | 0 | 8 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 10 | 0 | 6 | 11 | 0 | 6 | 0 | 2 | 0 | 0 | 0 | 1 | 12 | 11 |
| Wind speed (m/s) | 37 | 28.9 | 23.6 | 32.4 | 33.8 | 29.9 | 21.8 | 21.1 | 22.5 | 17.7 | 22.2 | 28.1 | 24.9 | 20.9 | 19.1 | 32.1 | 37.5 | 16.3 | 26.9 | 36.6 | 32.2 | 27.2 | 20.2 | 16.1 | 15.1 | 10.1 | 19.5 | 17.2 | 25.5 | 36.8 |
In April 2023, the highest daytime temperature in Postville was 24.7°C.
While the minimum temperature at night dropped to -5°C.
The average nighttime and daytime temperatures during April in Postville are 3.2°C and 14.2°C respectively.
The precipitation sum in April is about 89 mm.