Average temperature in April is 3.2 °C
Average daytime temperature is 7.5 °C
Average night temperature is -0.3 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 11
Number of rainy days: 15
Number of snow days: 4
Precipitation sum: 173 mm
* Weather data for Ontonagon 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 | 1.5 | 6.5 | 5.4 | 0.8 | 7.5 | 1.4 | 1.5 | 9.1 | 15.9 | 13 | 17.8 | 22.1 | 16.1 | 24.5 | 19.8 | 2.5 | -0.9 | 3.5 | 3.5 | 3.3 | 7.9 | 4.1 | 1 | 3.8 | 4.4 | 6.5 | 8.8 | 7.7 | 4 | 2.4 |
| Apparent max temperature | -3.9 | 0.8 | 0.6 | -5 | 4.4 | -5.5 | -1 | 6.6 | 11.4 | 10.8 | 15.2 | 19.9 | 13.3 | 24.2 | 16.9 | -0.9 | -7.4 | -0.8 | -0.5 | -1.4 | 3.2 | 2.1 | -2.6 | 0.3 | 1.1 | 3 | 6.8 | 6.1 | 0.9 | -3.2 |
| Mean temperature | -1.4 | -0.5 | 2.5 | -0.9 | 1.8 | -2.4 | -1.6 | 0.5 | 6.7 | 9.3 | 11.1 | 14.4 | 8.5 | 11.8 | 10.1 | 1.7 | -1.9 | 0 | -1.1 | 1.8 | 4.3 | 0.5 | -0.2 | -0.7 | 1.2 | 1.9 | 5.4 | 5.4 | 2 | 1.2 |
| Apparent mean temperature | -11.2 | -9.6 | -4.4 | -6.7 | -7 | -12.5 | -10.4 | -9.5 | -4.5 | 1.5 | 2.9 | 6.3 | -1.9 | -1.6 | -1.5 | -5.6 | -9.8 | -9.2 | -12.6 | -4.6 | -2.5 | -6 | -6 | -9.7 | -5.3 | -6.8 | -2.5 | 1.1 | -2.8 | -4.9 |
| Minimum temperature | -3.5 | -4.7 | 0.5 | -1.8 | -0.9 | -3.5 | -6 | -5.1 | 1.2 | 5.9 | 7.6 | 11.2 | 0.9 | 1.7 | 2.6 | 0.6 | -2.5 | -2 | -8.3 | 0.5 | 1.6 | -0.9 | -1.3 | -5.8 | -2 | -2.9 | 1.7 | 3.9 | 0.8 | 0.5 |
| Apparent min temperature | -7.6 | -5.9 | -2.3 | -6 | -3.5 | -10.4 | -6.1 | -3.1 | 1.5 | 5.5 | 7.1 | 10.9 | 5.7 | 9.5 | 7.5 | -2.7 | -8.8 | -5.7 | -5.2 | -2.8 | 0.2 | -3.3 | -4.8 | -4.5 | -2.2 | -1.7 | 1.6 | 2.5 | -0.9 | -4.3 |
| 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) | 12.8 | 12.9 | 12.9 | 13 | 13 | 13.1 | 13.1 | 13.2 | 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 | 14 | 14 | 14.1 | 14.1 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 |
| Sunshine duration (h) | 10.5 | 6.7 | 10.1 | 3 | 3.2 | 5.5 | 11 | 11.7 | 10 | 11 | 12 | 12.1 | 12.1 | 12.2 | 9.4 | 0 | 0 | 11.1 | 4.7 | 0 | 4.3 | 0 | 9.9 | 13 | 10.7 | 13.1 | 5.7 | 0 | 0 | 0 |
| Precipitation (mm) | 0 | 2.5 | 3.7 | 4.9 | 7.9 | 3 | 0 | 0 | 0 | 0.8 | 0 | 0 | 0 | 0 | 2.6 | 9.4 | 32.7 | 2.8 | 0.1 | 17.1 | 1.8 | 5.6 | 1.3 | 0 | 0 | 0 | 8 | 10.2 | 23.4 | 35.3 |
| Precipitation hours | 0 | 5 | 3 | 3 | 20 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 12 | 24 | 10 | 1 | 14 | 8 | 15 | 10 | 0 | 0 | 0 | 8 | 19 | 24 | 24 |
| Wind speed (m/s) | 32.8 | 25.1 | 25.1 | 26.1 | 28.5 | 40 | 28.2 | 15.2 | 27.4 | 24.6 | 21.3 | 26.8 | 18.4 | 16.2 | 20.2 | 28.2 | 34.1 | 30.6 | 14 | 23.8 | 20.1 | 20.7 | 16.2 | 16.2 | 15.9 | 13.6 | 20.3 | 13.6 | 12.8 | 27.3 |
In April 2023, the highest daytime temperature in Ontonagon was 24.5°C.
While the minimum temperature at night dropped to -8.3°C.
The average nighttime and daytime temperatures during April in Ontonagon are -0.3°C and 7.5°C respectively.
The precipitation sum in April is about 173 mm.