Average annual temperature is 15.0 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 194 days
Number of rainy days: 170 days
Number of snow days: 1 day
Look at detailed online map of Jejeon
* Weather data for Jejeon South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.8 | 14.9 | 23.6 | 25.7 | 28.0 | 29.4 | 31.7 | 32.3 | 28.7 | 24.2 | 26.2 | 20.4 |
| Average daytime temperature (°C) | 6.7 | 9.7 | 15.6 | 17.9 | 20.9 | 25.1 | 28.1 | 28.9 | 26.0 | 21.3 | 14.5 | 8.9 |
| Average temperature (°C) | 2.3 | 5.4 | 11.0 | 14.0 | 17.6 | 22.0 | 25.3 | 26.5 | 23.5 | 16.7 | 9.7 | 4.9 |
| Average night temperature (°C) | -1.4 | 1.7 | 6.7 | 10.3 | 14.3 | 19.3 | 22.8 | 24.2 | 21.3 | 12.7 | 5.0 | 1.3 |
| Absolute minimum temperature (°C) | -12.7 | -3.5 | -0.8 | 4.0 | 8.0 | 16.4 | 19.1 | 22.5 | 16.7 | 7.8 | -3.9 | -9.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.3 | 9.1 | 8.7 | 8.2 | 9.1 | 8.5 | 9.7 | 7.9 | 8.8 | 8.0 | 7.0 |
| Precipitation (mm) | 62 | 47 | 65 | 75 | 213 | 157 | 223 | 219 | 152 | 6 | 30 | 100 |
| Sunny days | 25 | 17 | 21 | 17 | 16 | 11 | 8 | 5 | 6 | 23 | 24 | 21 |
| Rainy days | 5 | 11 | 10 | 13 | 15 | 19 | 23 | 26 | 24 | 8 | 6 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jejeon is at