Average temperature in January is -14.2 °C
Average daytime temperature is -9.7 °C
Average night temperature is -19.1 °C
Absolute maximum temperature: 1.7 °C
Absolute minimum temperature: -27.7 °C
Number of sunny days: 26
Number of rainy days:
Number of snow days: 5
Precipitation sum: 1 mm
* Weather data for Sayn-Ust Mongolia is based on climate observations for 2023 year
| January (°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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -12.7 | -13.6 | -12.2 | -7 | -7.4 | -1.5 | 0.5 | -1.9 | 1.2 | 1.7 | -0.4 | -16.2 | -17 | -15.8 | -12.3 | -14.2 | -11.8 | -10.1 | -11.1 | -11.3 | -11.8 | -20.8 | -15.8 | -13.8 | -14.6 | -13.2 | -8.7 | -7.1 | -6.6 | -7.5 | -6.2 |
| Apparent max temperature | -17.4 | -18 | -17.7 | -12.5 | -12.9 | -6.4 | -3.3 | -6.5 | -3.8 | -3.6 | -5.8 | -22.7 | -22.5 | -21 | -17.8 | -19.2 | -16.9 | -15.9 | -16.5 | -16.6 | -16.2 | -27.9 | -23 | -18.5 | -18.9 | -18.5 | -13.3 | -11.3 | -10.6 | -12.4 | -11.3 |
| Mean temperature | -15.6 | -17.3 | -15.7 | -11 | -11 | -6.1 | -5.4 | -5.8 | -2.9 | -2.2 | -7.3 | -20.1 | -22.1 | -20.3 | -16.6 | -17.2 | -15.6 | -14.8 | -15.1 | -15.9 | -18 | -24.5 | -21.2 | -18.6 | -18.9 | -18.2 | -14.8 | -12.8 | -11.3 | -11.5 | -12.8 |
| Apparent mean temperature | -25.7 | -26.8 | -27.5 | -22.1 | -21 | -17.5 | -14.4 | -15.7 | -13.6 | -13.1 | -23.4 | -29.7 | -32.1 | -32.2 | -27.3 | -25 | -25 | -25.2 | -25.2 | -25.2 | -30.9 | -33.3 | -34 | -31.3 | -28.5 | -29.8 | -28.6 | -24.3 | -23.5 | -21.8 | -22.5 |
| Minimum temperature | -20.4 | -21.4 | -21.8 | -15.5 | -15.8 | -11.3 | -8.8 | -9.4 | -7.7 | -6.8 | -17.8 | -23.9 | -25.5 | -25.6 | -21.2 | -19.6 | -19.5 | -19.4 | -19.6 | -19.7 | -24.7 | -27.7 | -27.6 | -24.7 | -23.3 | -23.9 | -21.5 | -18.2 | -17 | -15.3 | -16.8 |
| Apparent min temperature | -20.1 | -22.1 | -21.6 | -16.7 | -16.9 | -11.8 | -10.6 | -11.5 | -8.7 | -8.8 | -13.9 | -26.2 | -28.2 | -26.3 | -22 | -22.7 | -20.6 | -20.3 | -20.7 | -20.8 | -23.9 | -30.7 | -28 | -23.8 | -23.8 | -24.3 | -20.6 | -18.2 | -17 | -16.9 | -18.3 |
| January | 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 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 |
| Sunshine duration (h) | 7 | 5.5 | 5.9 | 6.9 | 7.4 | 7.1 | 7.4 | 7.5 | 7.4 | 7.5 | 3.3 | 6.7 | 7.6 | 7.7 | 7.7 | 6.9 | 1.9 | 7 | 7.5 | 7.8 | 6.5 | 7.9 | 8 | 7.9 | 7.6 | 8.1 | 8.1 | 8.2 | 8.2 | 8.3 | 8.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 9.2 | 12.5 | 19.8 | 18.9 | 19.5 | 18.2 | 18.7 | 21.2 | 21.4 | 32.7 | 32.1 | 18.5 | 19.1 | 17.7 | 16.3 | 22 | 15.7 | 15 | 18.2 | 10.5 | 19.7 | 23.9 | 26.6 | 16.9 | 10.7 | 20.9 | 21.5 | 16 | 19.4 | 19 | 19.6 |
In January 2023, the highest daytime temperature in Sayn-Ust was 1.7°C.
While the minimum temperature at night dropped to -27.7°C.
The average nighttime and daytime temperatures during January in Sayn-Ust are -19.1°C and -9.7°C respectively.
The precipitation sum in January is about 1 mm.