Average temperature in January is -3.4 °C
Average daytime temperature is -1.3 °C
Average night temperature is -5.6 °C
Absolute maximum temperature: 7.1 °C
Absolute minimum temperature: -23.6 °C
Number of sunny days: 10
Number of rainy days: 9
Number of snow days: 12
Precipitation sum: 59 mm
* Weather data for Roslavl’ Russia 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 | 7 | 6.5 | 6.1 | 1.4 | -0.8 | -8.5 | -15.4 | -13.7 | -6.8 | -6.6 | -7.7 | -6.1 | -4.4 | -2.4 | -2.3 | -1.2 | 1.6 | 4.6 | 7.1 | 6.7 | 0.4 | 0.4 | -0.2 | -0.6 | -0.9 | -1.5 | -1.4 | -1.1 | -0.9 | -1 | 1.2 |
| Apparent max temperature | 1.2 | 0.7 | 0.9 | -4.2 | -5.5 | -14.8 | -19.7 | -19 | -14.1 | -13.8 | -13.9 | -11.8 | -9.9 | -7.3 | -7.7 | -6.4 | -3.8 | -1.3 | 2.6 | 2.2 | -3.8 | -3.6 | -3.9 | -4 | -5.3 | -6.8 | -5.9 | -4.6 | -5.8 | -7.1 | -4.4 |
| Mean temperature | 4.9 | 2.1 | 3.9 | -0.9 | -2.6 | -15.4 | -18.2 | -17.3 | -11.5 | -8 | -9.6 | -7.5 | -6.4 | -3.1 | -3 | -2.8 | 0.6 | 2.9 | 4.4 | 4.9 | -0.9 | -0.9 | -2.3 | -2.2 | -2.4 | -3.2 | -3.1 | -2.9 | -2.1 | -1.8 | -1.1 |
| Apparent mean temperature | -2.8 | -6.8 | -4.7 | -7.7 | -15.2 | -25.3 | -28.9 | -27.4 | -21.3 | -17 | -17.7 | -15 | -13.8 | -9.7 | -9.5 | -10.1 | -6.3 | -4.2 | -1.2 | -3.6 | -7.8 | -5.9 | -7.7 | -6.4 | -8.8 | -9.2 | -8.7 | -7.1 | -7.7 | -8.7 | -7.4 |
| Minimum temperature | 2 | -3 | 1 | -2.5 | -8.7 | -20.5 | -23.6 | -21.9 | -15.2 | -10.1 | -10.7 | -8.6 | -8.1 | -4.5 | -3.5 | -4.1 | -1.1 | 1.4 | 2.9 | 0.6 | -2.4 | -1.7 | -4.2 | -3 | -3.9 | -4.2 | -4.5 | -3.6 | -2.7 | -2.3 | -3.1 |
| Apparent min temperature | -0.3 | -2.1 | -1.4 | -6.1 | -7.8 | -21.1 | -23.1 | -22.7 | -18.1 | -15.4 | -16 | -13.5 | -12.1 | -8.1 | -8.6 | -8.3 | -5.3 | -2.7 | 0.4 | 0.9 | -5.9 | -5.1 | -6.1 | -5.7 | -6.7 | -8.3 | -7.1 | -6.2 | -6.6 | -7.9 | -6.1 |
| 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) | 7.5 | 7.5 | 7.5 | 7.6 | 7.6 | 7.6 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.9 | 7.9 | 8 | 8 | 8.1 | 8.1 | 8.1 | 8.2 | 8.3 | 8.3 | 8.4 | 8.4 | 8.5 | 8.5 | 8.6 | 8.6 | 8.7 | 8.8 | 8.8 |
| Sunshine duration (h) | 0 | 5.3 | 0 | 0.9 | 0 | 5.9 | 6.1 | 6.1 | 0 | 0.6 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.4 | 0 | 0.4 | 0 | 0 | 0.2 | 0.5 | 0 | 0 |
| Precipitation (mm) | 2.9 | 5.1 | 4.1 | 0.7 | 5.1 | 0 | 0 | 0 | 2 | 1.2 | 5.1 | 0.1 | 0.3 | 0.9 | 0.3 | 2.7 | 8.6 | 7 | 4.5 | 3.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.9 | 2.3 | 1.3 |
| Precipitation hours | 12 | 4 | 10 | 4 | 15 | 0 | 0 | 0 | 10 | 6 | 17 | 1 | 2 | 6 | 3 | 13 | 24 | 9 | 14 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 15 | 7 |
| Wind speed (m/s) | 32.3 | 30.6 | 29.2 | 23.5 | 22.2 | 20 | 8.9 | 14.5 | 28.1 | 30.3 | 25.8 | 22 | 20.5 | 18.7 | 25.9 | 23.3 | 28.4 | 31.9 | 27.4 | 24.2 | 19 | 12.5 | 9.7 | 7.3 | 15.2 | 17.1 | 12.3 | 5.7 | 16.8 | 27.7 | 22.8 |
In January 2023, the highest daytime temperature in Roslavl’ was 7.1°C.
While the minimum temperature at night dropped to -23.6°C.
The average nighttime and daytime temperatures during January in Roslavl’ are -5.6°C and -1.3°C respectively.
The precipitation sum in January is about 59 mm.