Average annual temperature is 12.6 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 182 days
Number of rainy days: 171 days
Number of snow days: 12 days
Look at detailed online map of Chumallongjang
* Weather data for Chumallongjang 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) | 11.0 | 11.4 | 24.9 | 26.6 | 31.0 | 34.8 | 33.2 | 34.0 | 30.0 | 22.2 | 22.9 | 16.3 |
| Average daytime temperature (°C) | 1.7 | 6.4 | 15.4 | 18.7 | 24.1 | 27.4 | 29.2 | 29.7 | 25.9 | 18.6 | 9.7 | 4.1 |
| Average temperature (°C) | -3.1 | 0.8 | 8.3 | 12.4 | 18.1 | 22.3 | 25.2 | 25.6 | 21.9 | 13.5 | 4.8 | 0.0 |
| Average night temperature (°C) | -7.8 | -3.2 | 2.4 | 7.1 | 12.5 | 17.6 | 22.0 | 22.2 | 18.3 | 8.9 | 0.3 | -3.6 |
| Absolute minimum temperature (°C) | -18.6 | -6.9 | -4.4 | 0.4 | 4.7 | 13.7 | 20.2 | 18.0 | 12.8 | 2.8 | -8.3 | -14.7 |
| 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 | 14.4 | 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) | 7.1 | 8.3 | 9.1 | 7.7 | 8.7 | 9.5 | 7.3 | 8.3 | 7.2 | 8.1 | 7.1 | 5.8 |
| Precipitation (mm) | 39 | 1 | 22 | 88 | 132 | 217 | 431 | 355 | 216 | 30 | 107 | 87 |
| Sunny days | 22 | 23 | 22 | 15 | 20 | 12 | 5 | 6 | 7 | 18 | 16 | 16 |
| Rainy days | 5 | 4 | 9 | 15 | 11 | 18 | 26 | 25 | 23 | 13 | 12 | 10 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Chumallongjang is at