Average temperature in January is -0.1 °C
Average daytime temperature is 5 °C
Average night temperature is -4.4 °C
Absolute maximum temperature: 16.3 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 19
Number of rainy days: 10
Number of snow days: 2
Precipitation sum: 42 mm
* Weather data for Jeonju South Korea 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 | 5.7 | 0.9 | 2.4 | 6 | 7.4 | 8 | 6.2 | 7.9 | 9.2 | 9.1 | 9.9 | 16.3 | 14.5 | 9 | 1.7 | 0.2 | 2.6 | 4.8 | 5.7 | 1.3 | 1.9 | 6 | 7.3 | -7.6 | -2.3 | 3.5 | -1.7 | 0.4 | 5.1 | 3.7 | 10.3 |
| Apparent max temperature | 1 | -4.1 | -2.3 | 1.5 | 3.7 | 5.1 | 0.4 | 5 | 6.6 | 4.9 | 6.4 | 13.1 | 14.5 | 7.2 | -2.4 | -5.2 | -2.2 | 0.4 | 0.5 | -4 | -2.4 | 2.1 | 3.4 | -15.6 | -6.9 | -1.3 | -8.6 | -4.8 | -0.6 | -1.1 | 5.1 |
| Mean temperature | -0.9 | -3.6 | -2.4 | 0.3 | 0.7 | 3.7 | 0.4 | 3.2 | 0.6 | 0.5 | 2.5 | 12 | 10.4 | 5.9 | -1.5 | -3.7 | -1.5 | -0.8 | 2.5 | -3.2 | -1.7 | 0.5 | -0.9 | -10.7 | -6.9 | -1.6 | -5.3 | -2.9 | -0.1 | -1.5 | 4.2 |
| Apparent mean temperature | -10.7 | -11.1 | -10.8 | -7.3 | -7.7 | -4.1 | -7.8 | -4.2 | -9.2 | -7.1 | -5 | -1 | 5.4 | -1.5 | -10.3 | -9.8 | -8.1 | -8.1 | -4.6 | -10.4 | -8.8 | -7.1 | -17.5 | -18.2 | -18 | -10.9 | -12.6 | -11.2 | -9.9 | -9.5 | -6.1 |
| Minimum temperature | -6.5 | -7.2 | -6.4 | -4 | -4.2 | -1.2 | -4.1 | -0.7 | -5.5 | -3.8 | -1.4 | 2.8 | 7.3 | 1.9 | -5.5 | -5.9 | -3.9 | -4.4 | -0.7 | -6.1 | -4.5 | -3.4 | -10.7 | -13 | -13.6 | -6.5 | -8 | -6.8 | -5.2 | -5.3 | -1.4 |
| Apparent min temperature | -5.3 | -8.1 | -6.7 | -3.4 | -2.7 | 0.1 | -3.8 | -0.1 | -3 | -2.9 | -1 | 9.2 | 9.2 | 3.3 | -6.3 | -8.2 | -5.4 | -4.5 | -1.8 | -8.2 | -5.7 | -3.2 | -6.1 | -17 | -11.6 | -5.6 | -10.9 | -7 | -4.6 | -5.8 | 0.3 |
| 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) | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 |
| Sunshine duration (h) | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 5.5 | 8.8 | 8.8 | 8.8 | 0.1 | 0 | 1.1 | 8.9 | 7.7 | 8.3 | 8.2 | 8 | 9 | 2.6 | 8.3 | 9.1 | 9.2 | 0.5 | 9.2 | 6.1 | 5.8 | 9.4 | 9.5 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 3.4 | 0 | 0.2 | 0.2 | 0 | 0 | 26.8 | 6.8 | 2.4 | 0.6 | 0 | 0 | 0 | 0.3 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0.2 | 0 | 0 | 0.2 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 2 | 0 | 0 | 9 | 8 | 15 | 5 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 2 | 0 | 0 | 2 |
| Wind speed (m/s) | 14.3 | 13.6 | 15.1 | 15.6 | 11 | 19.2 | 24.9 | 9.5 | 17.3 | 10.2 | 9.9 | 24.9 | 15.6 | 13.3 | 17.9 | 16.2 | 13 | 12.9 | 15.1 | 23.9 | 8.8 | 8.6 | 23.5 | 30.1 | 11.2 | 14.9 | 23.3 | 16.8 | 21.1 | 14.3 | 18.9 |
In January 2023, the highest daytime temperature in Jeonju was 16.3°C.
While the minimum temperature at night dropped to -13.6°C.
The average nighttime and daytime temperatures during January in Jeonju are -4.4°C and 5°C respectively.
The precipitation sum in January is about 42 mm.