Average temperature in January is 0.2 °C
Average daytime temperature is 2.7 °C
Average night temperature is -2.1 °C
Absolute maximum temperature: 13.9 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 15
Number of rainy days: 9
Number of snow days: 7
Precipitation sum: 34 mm
* Weather data for Fastiv Ukraine 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 | 13.9 | 11 | 10.2 | 4.4 | 6.3 | 5 | -5 | -3.3 | 0 | -0.8 | -3.9 | -2.6 | -1.4 | 0.3 | 1.5 | 2.5 | 6.3 | 9.6 | 8.6 | 9.8 | 3.2 | 2.9 | 0.6 | -0.1 | -0.7 | -0.8 | 0.5 | 0.1 | -0.5 | 0.5 | 2.3 |
| Apparent max temperature | 10.5 | 9.4 | 6.3 | -0.5 | 2.2 | 1 | -9.9 | -9 | -6.6 | -7.1 | -9.7 | -7.5 | -5.7 | -3.4 | -2.8 | -2.5 | 2.8 | 5.9 | 5.4 | 7.3 | 0.1 | -1 | -3.6 | -4.3 | -4.4 | -4.7 | -3.2 | -4.9 | -5 | -5.3 | -1.6 |
| Mean temperature | 9.6 | 7.3 | 6.4 | 2.7 | 4.3 | -0.8 | -7.4 | -6 | -2 | -3.2 | -5.9 | -5.5 | -3.2 | -1.1 | -0.7 | 0.4 | 4.6 | 7.2 | 5.4 | 6.2 | 1.5 | 1 | -0.7 | -2.1 | -2.2 | -2.2 | -1.9 | -2.3 | -2.9 | -1.4 | -0.3 |
| Apparent mean temperature | 2.9 | 2 | -1 | -4.9 | -4.8 | -10 | -14.4 | -14.1 | -11.2 | -11.9 | -13.4 | -14.1 | -11 | -6.4 | -6.1 | -6.6 | -2.8 | 0.6 | -1.7 | -2 | -5.4 | -4.1 | -5.2 | -9 | -7.2 | -7.2 | -7.1 | -8.3 | -9.9 | -7.6 | -6.2 |
| Minimum temperature | 6.9 | 5.1 | 3.9 | -0.3 | 0.4 | -5.5 | -8.9 | -8.7 | -5 | -5.1 | -7.8 | -9.1 | -5.9 | -2.1 | -1.7 | -1.9 | 2.5 | 4.2 | 1.5 | 2.5 | -0.5 | -0.4 | -1.3 | -4.7 | -3.3 | -3.3 | -2.9 | -3.8 | -5.4 | -2.9 | -1.8 |
| Apparent min temperature | 6.1 | 4.6 | 2.5 | -2 | -0.3 | -5.7 | -12.4 | -11.7 | -8.3 | -9.8 | -11.5 | -10.3 | -7.6 | -5 | -5.2 | -4 | 0.2 | 3.3 | 2 | 2.9 | -2.6 | -2.7 | -4.5 | -6.1 | -5.7 | -6.3 | -5.8 | -6.8 | -7.3 | -6.4 | -4.4 |
| 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) | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.3 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.4 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.9 | 8.9 | 9 | 9 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 |
| Sunshine duration (h) | 5.5 | 6.7 | 5 | 2.3 | 0 | 0 | 4.9 | 4.1 | 0 | 4.2 | 5 | 5.4 | 1.6 | 0 | 0.9 | 0 | 0 | 0 | 0.4 | 3.8 | 2.9 | 0 | 0 | 5.6 | 5.1 | 0.1 | 3.2 | 1.5 | 4.4 | 0.7 | 2.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0.3 | 8.4 | 4 | 0 | 0 | 1.5 | 3.4 | 1 | 0 | 0 | 0 | 0 | 0.7 | 3.1 | 0.9 | 4.5 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0.2 | 0.2 | 0 | 0.1 | 2.3 | 2.5 |
| Precipitation hours | 0 | 0 | 0 | 3 | 15 | 10 | 0 | 0 | 6 | 8 | 7 | 0 | 0 | 0 | 0 | 7 | 9 | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 6 | 10 |
| Wind speed (m/s) | 18.8 | 18 | 23.7 | 24 | 24.9 | 20.9 | 13.3 | 20.3 | 28 | 26.7 | 17.9 | 13.4 | 14.2 | 10.9 | 18.3 | 23.6 | 24.2 | 25.3 | 22.5 | 16.8 | 19.2 | 15.1 | 12.3 | 11.3 | 6.4 | 12.3 | 11.8 | 16.1 | 15.3 | 21.2 | 13.5 |
In January 2023, the highest daytime temperature in Fastiv was 13.9°C.
While the minimum temperature at night dropped to -9.1°C.
The average nighttime and daytime temperatures during January in Fastiv are -2.1°C and 2.7°C respectively.
The precipitation sum in January is about 34 mm.