Average annual temperature is 10.8 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 188 days
Number of rainy days: 165 days
Number of snow days: 12 days
Look at detailed online map of Kalchŏn
* Weather data for Kalchŏn 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) | 12.0 | 11.3 | 19.5 | 21.9 | 27.8 | 29.7 | 32.0 | 32.2 | 26.3 | 20.1 | 21.1 | 13.1 |
| Average daytime temperature (°C) | 0.9 | 4.8 | 12.4 | 14.4 | 19.7 | 24.0 | 26.9 | 27.0 | 22.5 | 16.6 | 9.1 | 2.9 |
| Average temperature (°C) | -3.1 | -0.1 | 6.9 | 9.6 | 15.2 | 19.6 | 23.2 | 23.4 | 19.0 | 11.8 | 4.6 | -1.1 |
| Average night temperature (°C) | -6.6 | -3.5 | 2.2 | 5.2 | 11.3 | 16.0 | 20.6 | 20.5 | 16.1 | 7.9 | 0.7 | -4.2 |
| Absolute minimum temperature (°C) | -19.0 | -7.9 | -7.1 | -1.3 | 4.4 | 12.2 | 16.5 | 16.4 | 11.0 | 1.8 | -10.1 | -15.6 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.5 | 7.8 | 8.9 | 8.8 | 9.0 | 10.0 | 7.9 | 9.3 | 7.5 | 8.7 | 7.7 | 6.9 |
| Precipitation (mm) | 34 | 25 | 51 | 76 | 156 | 198 | 374 | 303 | 268 | 21 | 45 | 150 |
| Sunny days | 25 | 19 | 24 | 16 | 15 | 7 | 6 | 7 | 8 | 20 | 20 | 21 |
| Rainy days | 3 | 3 | 7 | 14 | 16 | 23 | 25 | 24 | 22 | 11 | 9 | 8 |
| Snow days | 3 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Kalchŏn is at