Average annual temperature is 14.3 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 167 days
Number of rainy days: 178 days
Number of snow days: 20 days
Look at detailed online map of Kallyŏng
* Weather data for Kallyŏng 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) | 12.9 | 10.5 | 15.8 | 18.9 | 21.2 | 24.5 | 29.5 | 30.6 | 27.1 | 22.0 | 21.7 | 15.7 |
| Average daytime temperature (°C) | 5.0 | 6.3 | 11.2 | 13.5 | 17.3 | 21.9 | 25.6 | 28.0 | 24.3 | 19.1 | 13.3 | 7.6 |
| Average temperature (°C) | 3.3 | 4.3 | 8.8 | 11.6 | 15.5 | 20.2 | 24.0 | 26.4 | 22.8 | 17.0 | 11.2 | 5.6 |
| Average night temperature (°C) | 1.5 | 1.9 | 5.8 | 9.3 | 13.7 | 18.6 | 22.6 | 24.9 | 21.2 | 14.8 | 8.8 | 3.5 |
| Absolute minimum temperature (°C) | -7.0 | -2.9 | 0.8 | 5.4 | 9.7 | 14.7 | 19.7 | 22.2 | 17.6 | 9.9 | 1.8 | -5.0 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 6.5 | 6.9 | 9.9 | 9.4 | 9.4 | 10.7 | 9.9 | 9.9 | 7.5 | 9.2 | 6.5 | 5.9 |
| Precipitation (mm) | 58 | 27 | 46 | 77 | 137 | 95 | 218 | 104 | 190 | 24 | 57 | 88 |
| Sunny days | 12 | 13 | 23 | 15 | 19 | 14 | 16 | 6 | 9 | 18 | 11 | 11 |
| Rainy days | 11 | 10 | 6 | 15 | 12 | 16 | 15 | 25 | 21 | 13 | 19 | 15 |
| Snow days | 8 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Kallyŏng during the most sunny months:
The largest precipitation sum in Kallyŏng is at