Average temperature in April is 2 °C
Average daytime temperature is 9 °C
Average night temperature is -4.5 °C
Absolute maximum temperature: 19.4 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 22
Number of rainy days: 2
Number of snow days: 6
Precipitation sum: 8 mm
* Weather data for Herlen Mongolia 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 | 7.1 | -0.5 | 0.2 | 2.8 | 6.3 | 1.1 | 9.8 | 15.5 | 15.8 | 2.8 | 5.4 | 14.2 | 12.2 | 5.3 | 9.1 | 13.4 | 11.5 | 18.2 | 7.7 | 6.8 | 7.6 | 6.7 | 9.7 | 10 | 9.8 | 15.3 | 7 | 9 | 10.6 | 19.4 |
| Apparent max temperature | 0.4 | -6.8 | -5 | -2.4 | 0.5 | -4.8 | 3.8 | 7.9 | 8.9 | -5.4 | -2.2 | 9.5 | 6.7 | 0 | 4.2 | 8.5 | 6.6 | 11.8 | 1.1 | -1 | 3.6 | 1.8 | 6 | 5.7 | 3.3 | 10.8 | -1 | 4 | 6 | 14.7 |
| Mean temperature | 1.2 | -5.2 | -5.3 | -3.4 | -1.3 | -3.8 | 2.4 | 6.5 | 6.5 | -3.5 | -1.4 | 3 | 3.7 | -1.2 | 3.8 | 3.7 | 1.5 | 9.7 | 1.5 | 0.6 | 1 | 0.3 | 4.2 | 1.3 | 4.8 | 7.3 | 1.5 | 2.4 | 4 | 12.8 |
| Apparent mean temperature | -12.5 | -15.4 | -14.8 | -12.8 | -14.7 | -13.5 | -10.6 | -6.8 | -7.9 | -16.1 | -14.6 | -9.8 | -10.9 | -11.5 | -7 | -8.1 | -10.2 | -4.2 | -10.9 | -10.2 | -10.8 | -10.5 | -6.5 | -10 | -6.7 | -6.5 | -7.5 | -7.3 | -7.3 | -0.8 |
| Minimum temperature | -4.6 | -9.7 | -9.3 | -7.4 | -8.8 | -7.6 | -4.4 | -1.6 | -2.4 | -8.8 | -7.2 | -5.1 | -3.4 | -6.8 | -2.9 | -3.8 | -5.5 | 0.7 | -5.1 | -5.2 | -5.2 | -5.5 | -1.3 | -6.1 | -1.8 | -0.6 | -2.2 | -3 | -3 | 3.3 |
| Apparent min temperature | -6.2 | -11.4 | -10.2 | -8.4 | -6.9 | -9.5 | -3.6 | 0.6 | 0.3 | -11.4 | -7.4 | -1.6 | -2.7 | -6.6 | -1.6 | -1.3 | -3.1 | 4.7 | -5.2 | -5.6 | -4.5 | -4.6 | -0.2 | -3.6 | -1.6 | 2.7 | -4.9 | -2.5 | -0.1 | 7.7 |
| 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 | 13.1 | 13.1 | 13.2 | 13.2 | 13.3 | 13.3 | 13.4 | 13.4 | 13.5 | 13.5 | 13.6 | 13.7 | 13.7 | 13.8 | 13.8 | 13.9 | 13.9 | 14 | 14 | 14.1 | 14.1 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 |
| Sunshine duration (h) | 11.3 | 2.8 | 11.7 | 11.7 | 11.2 | 11.8 | 11.9 | 11.8 | 9.2 | 9.7 | 11.8 | 11.3 | 8.9 | 9.5 | 11.9 | 7.9 | 10.6 | 11 | 10.9 | 11.9 | 11 | 11.2 | 11.9 | 4.2 | 13 | 11.4 | 12.8 | 8 | 9.1 | 9.7 |
| Precipitation (mm) | 2.2 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8 | 0.2 | 0 | 0.9 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 0 | 0.2 | 0 | 0 | 0 | 0 |
| Precipitation hours | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 34.5 | 29.6 | 11.3 | 13.7 | 26.3 | 23.3 | 23.4 | 31.7 | 38.4 | 37.4 | 27.9 | 14.4 | 38.2 | 27 | 18.8 | 26.3 | 29 | 30.9 | 36.1 | 33.4 | 22.6 | 13.4 | 13.8 | 36.1 | 29 | 18.4 | 36.1 | 20.8 | 13.7 | 23.1 |
In April 2023, the highest daytime temperature in Herlen was 19.4°C.
While the minimum temperature at night dropped to -9.7°C.
The average nighttime and daytime temperatures during April in Herlen are -4.5°C and 9°C respectively.
The precipitation sum in April is about 8 mm.