Average temperature in April is -0.6 °C
Average daytime temperature is 5.5 °C
Average night temperature is -6.6 °C
Absolute maximum temperature: 18.9 °C
Absolute minimum temperature: -16.4 °C
Number of sunny days: 19
Number of rainy days: 1
Number of snow days: 10
Precipitation sum: 5 mm
* Weather data for Bayan-Ulaan 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 | -6.9 | -9.6 | -6.3 | -0.4 | 2.4 | -1.3 | 8.3 | 10.7 | 6.6 | -2.1 | 6.6 | 8.5 | -0.5 | 4.2 | 7.7 | 15.6 | 12.8 | 16.8 | 3.8 | 4.9 | 5.7 | 5.2 | 8.9 | 2.9 | 12.2 | 7.9 | -0.6 | 10 | 13.3 | 18.9 |
| Apparent max temperature | -13.4 | -15.5 | -11.4 | -4.8 | -3.4 | -5.2 | 3.9 | 6.5 | -0.4 | -10.6 | 0.5 | 4.2 | -7.6 | -0.1 | 1.2 | 10.7 | 8 | 11.8 | -2.8 | -1.4 | 2.1 | 1.1 | 1.6 | -2.9 | 8 | 2 | -7.8 | 4.5 | 7.2 | 14 |
| Mean temperature | -12.1 | -13.2 | -9.7 | -5.5 | -3.9 | -5.7 | 1.1 | 3.6 | 0 | -5.7 | 0.3 | 1.5 | -4.9 | -1.4 | 2.7 | 7 | 5.3 | 8.1 | -3 | -1.2 | -1.5 | -0.8 | 2.8 | -1.3 | 4.1 | 0.1 | -3.9 | 4 | 5.5 | 11.4 |
| Apparent mean temperature | -24.1 | -23.9 | -19.4 | -15.6 | -16.2 | -15.6 | -11.5 | -7.1 | -13.1 | -15.2 | -11.4 | -12 | -14.3 | -11 | -8.1 | -7.1 | -6.5 | -11.8 | -13 | -10.9 | -11.4 | -10.3 | -10.4 | -9.7 | -7.4 | -13.2 | -12.9 | -8.4 | -6.4 | -1.3 |
| Minimum temperature | -16.4 | -16.2 | -14.3 | -11 | -11 | -10.6 | -6.3 | -2.4 | -6.2 | -8.7 | -6.5 | -5.6 | -8.7 | -6.3 | -3.4 | -3.2 | -2.1 | -3.9 | -8.5 | -6.3 | -6.8 | -5.6 | -3.6 | -4.9 | -2.6 | -7.3 | -6.7 | -2.4 | -2.2 | 2.9 |
| Apparent min temperature | -19.6 | -19.2 | -14.4 | -10.4 | -9.7 | -10.4 | -4.2 | -1.5 | -6.5 | -12.7 | -5.1 | -3.9 | -11.2 | -6 | -2.6 | 2.3 | 0.3 | 2.1 | -8.9 | -7.1 | -6.6 | -5.7 | -3.1 | -6.5 | -0.7 | -6.2 | -10.4 | -1.5 | 0.4 | 6.5 |
| 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 | 13.2 | 13.3 | 13.3 | 13.4 | 13.5 | 13.5 | 13.6 | 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 |
| Sunshine duration (h) | 3.5 | 11.3 | 9.6 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 12.1 | 11.9 | 12.2 | 12 | 10.2 | 12 | 10.2 | 8.8 | 12.4 | 11.3 | 11.5 | 12.4 | 12.1 | 12.5 | 10.2 | 5.8 | 11 | 12 | 12.9 | 12.8 | 13.1 | 12.4 |
| Precipitation (mm) | 1.7 | 0.4 | 0.2 | 0 | 0 | 0.1 | 0 | 0 | 0.3 | 0.1 | 0 | 0.1 | 0.1 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 8 | 4 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 29.8 | 26.8 | 11.2 | 15.8 | 24.2 | 14.2 | 20.8 | 17.8 | 36.5 | 37.2 | 24 | 31.6 | 40.2 | 16.4 | 24.8 | 28.6 | 25 | 38.1 | 26.8 | 26.8 | 33.3 | 20.4 | 25.1 | 24.5 | 21.1 | 30.8 | 27.6 | 26.7 | 31.9 | 24.5 |
In April 2023, the highest daytime temperature in Bayan-Ulaan was 18.9°C.
While the minimum temperature at night dropped to -16.4°C.
The average nighttime and daytime temperatures during April in Bayan-Ulaan are -6.6°C and 5.5°C respectively.
The precipitation sum in April is about 5 mm.