Average temperature in April is 2.5 °C
Average daytime temperature is 8.9 °C
Average night temperature is -2.4 °C
Absolute maximum temperature: 19.4 °C
Absolute minimum temperature: -15.7 °C
Number of sunny days: 15
Number of rainy days: 9
Number of snow days: 6
Precipitation sum: 55 mm
* Weather data for Custer United States is based on climate observations for 2023 year
| Aprile (°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 | 6.4 | 5 | 3.8 | -5.5 | -3.2 | 1.7 | 7.4 | 10.4 | 9.5 | 17.2 | 19.4 | 17.9 | 16.7 | 11.2 | 4.3 | 8.4 | 13.6 | 16.5 | 10.2 | 5.7 | 3.4 | -1 | 4.7 | 8.7 | 10.6 | 14.3 | 12.3 | 12.1 | 13.1 | 11.1 |
| Apparent max temperature | 2.3 | -0.8 | -1.7 | -10 | -4.8 | -2.1 | 3.5 | 7.6 | 7.2 | 14.4 | 15 | 14.5 | 15.9 | 10.2 | 0.2 | 4.9 | 12.4 | 12.9 | 7.2 | 0.1 | -1.1 | -5 | 1.8 | 4.8 | 6 | 11.7 | 9.3 | 7.9 | 9 | 6.7 |
| Mean temperature | -2.3 | 2.1 | -3.3 | -7.2 | -9.1 | -4.8 | 0.4 | 3.6 | 4.5 | 5.5 | 12.1 | 12.4 | 9 | 3.6 | -0.6 | 0.7 | 7 | 9.6 | 4.9 | -0.1 | -2.6 | -4.2 | -1.9 | 2.5 | 2.3 | 6.4 | 7.6 | 3.9 | 8.3 | 4.8 |
| Apparent mean temperature | -16 | -7.7 | -10.2 | -15.2 | -20.2 | -16.1 | -11 | -7.4 | -3.5 | -5.3 | 2.8 | 3.3 | 0.7 | -3.4 | -8.9 | -9.4 | -4.5 | -0.3 | -7.5 | -8.5 | -13.7 | -12.1 | -11.2 | -6.6 | -7.5 | -3.7 | 0 | -5.1 | 0.2 | -6 |
| Minimum temperature | -11.3 | -2.2 | -5.7 | -8.9 | -15.7 | -10.3 | -5.4 | -2.2 | 0.5 | -1.5 | 7.7 | 7.2 | 3.2 | 0.9 | -4.6 | -4.2 | 0.2 | 3.5 | 0.3 | -4.3 | -7.2 | -6.6 | -7 | -2.9 | -3.2 | 0.3 | 3.8 | -0.7 | 4.8 | -1.3 |
| Apparent min temperature | -7 | -3.5 | -7.9 | -13 | -13.4 | -10.3 | -4.8 | -0.9 | 0.8 | 1.9 | 7 | 8.6 | 7 | -0.1 | -5.2 | -3.7 | 3.5 | 5.8 | -0.9 | -5.8 | -8.6 | -8.7 | -6 | -1.2 | -1.6 | 2.8 | 4 | -1.2 | 3.8 | 0.7 |
| Aprile | 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 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.6 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 14 | 14 | 14.1 | 14.1 |
| Sunshine duration (h) | 9.9 | 11.9 | 1.9 | 0.2 | 9.9 | 12 | 12 | 12 | 10.7 | 12 | 12.1 | 12.1 | 11.9 | 3.8 | 10 | 12.3 | 12.3 | 10.6 | 10.2 | 9.2 | 11.7 | 4.7 | 11.3 | 12.7 | 11.7 | 12.1 | 11.3 | 10.3 | 12.7 | 12.9 |
| Precipitation (mm) | 0 | 0 | 5.7 | 29.2 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0.7 | 0 | 0 | 0.1 | 1.3 | 0.2 | 0 | 0.7 | 0.2 | 0 | 2.4 | 0.5 | 6.8 | 0.8 | 0 | 0 |
| Precipitation hours | 0 | 0 | 12 | 24 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 14 | 5 | 0 | 0 | 1 | 4 | 2 | 0 | 6 | 2 | 0 | 2 | 4 | 7 | 3 | 0 | 0 |
| Wind speed (m/s) | 21 | 36.2 | 16.6 | 24.6 | 16.9 | 25.2 | 20.3 | 24.5 | 16.6 | 18.4 | 31.4 | 26.3 | 10.5 | 20 | 18.9 | 15.4 | 21.1 | 22.1 | 31.7 | 29.2 | 26.7 | 16.5 | 21.3 | 15.4 | 18.8 | 21.2 | 28.4 | 32.5 | 17.9 | 15.5 |
In April 2023, the highest daytime temperature in Custer was 19.4°C.
While the minimum temperature at night dropped to -15.7°C.
The average nighttime and daytime temperatures during April in Custer are -2.4°C and 8.9°C respectively.
The precipitation sum in April is about 55 mm.