Average annual temperature is 9.9 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 179 days
Number of rainy days: 170 days
Number of snow days: 16 days
Look at detailed online map of Galjeon
* Weather data for Galjeon 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) | 6.6 | 9.7 | 20.2 | 22.8 | 26.3 | 31.2 | 31.6 | 32.2 | 28.5 | 19.9 | 20.7 | 12.6 |
| Average daytime temperature (°C) | -1.5 | 4.0 | 12.3 | 14.9 | 20.6 | 24.6 | 28.0 | 27.6 | 24.1 | 17.0 | 6.9 | 0.8 |
| Average temperature (°C) | -6.4 | -1.6 | 5.3 | 9.3 | 15.2 | 19.6 | 23.7 | 23.2 | 19.4 | 11.4 | 2.1 | -3.2 |
| Average night temperature (°C) | -11.3 | -5.2 | -0.1 | 4.4 | 10.2 | 15.0 | 20.5 | 19.7 | 15.9 | 7.4 | -1.7 | -6.7 |
| Absolute minimum temperature (°C) | -22.3 | -10.0 | -7.4 | -1.8 | 4.2 | 10.9 | 17.8 | 15.2 | 9.1 | 1.9 | -11.0 | -19.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 8.4 | 9.4 | 7.2 | 9.2 | 9.7 | 8.3 | 7.6 | 7.6 | 8.3 | 6.5 | 5.7 |
| Precipitation (mm) | 42 | 2 | 16 | 102 | 128 | 190 | 281 | 315 | 110 | 39 | 94 | 87 |
| Sunny days | 19 | 25 | 24 | 13 | 16 | 6 | 6 | 4 | 10 | 20 | 16 | 20 |
| Rainy days | 3 | 2 | 7 | 17 | 15 | 24 | 25 | 27 | 20 | 11 | 12 | 7 |
| Snow days | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Galjeon is at