Average temperature in January is 2.2 °C
Average daytime temperature is 5.5 °C
Average night temperature is -0.8 °C
Absolute maximum temperature: 15 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 11
Number of rainy days: 16
Number of snow days: 4
Precipitation sum: 65 mm
* Weather data for Sfântu Gheorghe Romania 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 | 10.5 | 10.8 | 9.5 | 4.5 | 6.9 | 5.5 | 3.8 | 8.8 | 7.9 | 8.4 | 4.6 | 3.5 | 4.2 | 4.3 | 5 | 5.9 | 8.6 | 13.2 | 15 | 11.4 | 6.7 | 9.5 | 7.6 | 0.5 | -1 | 2.2 | -0.3 | -1.6 | -1.1 | -2.9 | -1.2 |
| Apparent max temperature | 9.5 | 10.2 | 7.6 | 2.8 | 3.8 | 1.1 | 1.7 | 6.5 | 3.9 | 4.6 | 0.1 | 1.7 | 2 | 1.8 | 2.7 | 3 | 6.8 | 10.7 | 13.2 | 7.8 | 3.3 | 5.9 | 2.8 | -4.7 | -5.1 | -2.6 | -4.8 | -4.5 | -5.1 | -6.8 | -6.1 |
| Mean temperature | 4.5 | 5.2 | 4.6 | 2.9 | 4.1 | 2.9 | 1.8 | 2.6 | 3.4 | 5.2 | 3.1 | 2.3 | 2.7 | 1.4 | 0.4 | 1.1 | 4.5 | 8.4 | 9.1 | 7.1 | 3.6 | 6.4 | 2.8 | -1.6 | -3.1 | -0.3 | -1.9 | -2.6 | -3.4 | -5.3 | -3.2 |
| Apparent mean temperature | -1.3 | -1.1 | -2.7 | -1.3 | -1.8 | -4.3 | -3.2 | -3.4 | -3.5 | -1.7 | -3 | -2 | -1.9 | -4.6 | -5.6 | -6.4 | -3.4 | 2.5 | 2.5 | -1.2 | -3.2 | -0.2 | -5.6 | -7.7 | -9.6 | -9.5 | -8.3 | -6.8 | -10.1 | -11.9 | -9 |
| Minimum temperature | 0.9 | 1.6 | 0 | 1.2 | 0.6 | -1.1 | -0.3 | -0.1 | 0.1 | 2.7 | 0.6 | 0.8 | 0.9 | -1.9 | -2.1 | -3.3 | 0 | 5.7 | 4.8 | 2.4 | -0.4 | 3.5 | -0.8 | -3.7 | -4.8 | -5.2 | -3.6 | -3.3 | -6.4 | -7.8 | -5.2 |
| Apparent min temperature | 2.6 | 3.1 | 2.4 | 0.9 | 0.9 | -1.2 | -0.8 | -0.6 | -0.5 | 1.1 | -1.2 | 0.1 | 0.3 | -1.1 | -2.3 | -2.2 | 1.5 | 5.5 | 6.5 | 4.1 | 0.2 | 2.9 | -1.9 | -6.4 | -7.4 | -4.6 | -6.9 | -5.8 | -7.3 | -9.2 | -7.3 |
| 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) | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.7 |
| Sunshine duration (h) | 7.5 | 7.4 | 7.5 | 0 | 4.8 | 5 | 1 | 7.6 | 7.4 | 6 | 1 | 0 | 0 | 0.1 | 6.5 | 2.8 | 3.1 | 6.8 | 8 | 3.3 | 7.7 | 4.7 | 8.2 | 7.9 | 8.2 | 2.1 | 0 | 0 | 5 | 3.7 | 0.1 |
| Precipitation (mm) | 0 | 0 | 0 | 3.1 | 1.2 | 1.7 | 0.1 | 0 | 0 | 2.7 | 1.8 | 5.7 | 0.2 | 0 | 0 | 0 | 0.1 | 4.4 | 0.2 | 8.9 | 3.3 | 0.7 | 0 | 0 | 0 | 0.3 | 15.3 | 11.2 | 0.5 | 1 | 2.3 |
| Precipitation hours | 0 | 0 | 0 | 8 | 6 | 9 | 1 | 0 | 0 | 10 | 12 | 16 | 2 | 0 | 0 | 0 | 1 | 5 | 1 | 21 | 4 | 4 | 0 | 0 | 0 | 3 | 23 | 21 | 3 | 3 | 10 |
| Wind speed (m/s) | 7.1 | 4.5 | 4.8 | 5.9 | 20.7 | 22.2 | 8.9 | 10.8 | 16.7 | 21.6 | 24.4 | 6.6 | 5.9 | 5.1 | 7.3 | 11.1 | 16.1 | 16.3 | 15.7 | 18.9 | 15.5 | 16.6 | 23.1 | 18.1 | 12 | 17.2 | 20.7 | 6.2 | 10.5 | 9.3 | 16.4 |
In January 2023, the highest daytime temperature in Sfântu Gheorghe was 15°C.
While the minimum temperature at night dropped to -7.8°C.
The average nighttime and daytime temperatures during January in Sfântu Gheorghe are -0.8°C and 5.5°C respectively.
The precipitation sum in January is about 65 mm.