Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 179 days
Number of rainy days: 175 days
Number of snow days: 11 days
Look at detailed online map of Hapch’ŏn
* Weather data for Hapch’ŏn 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) | 14.2 | 13.7 | 23.3 | 25.9 | 31.9 | 33.4 | 32.8 | 33.8 | 29.2 | 22.0 | 25.6 | 17.3 |
| Average daytime temperature (°C) | 3.6 | 7.4 | 16.3 | 19.0 | 23.5 | 28.3 | 29.2 | 29.9 | 25.7 | 19.2 | 11.5 | 5.5 |
| Average temperature (°C) | -1.3 | 1.7 | 8.9 | 12.4 | 17.7 | 22.6 | 24.7 | 25.5 | 21.4 | 13.6 | 6.1 | 0.9 |
| Average night temperature (°C) | -5.3 | -2.4 | 2.6 | 6.7 | 12.3 | 17.7 | 21.1 | 21.9 | 17.9 | 9.0 | 1.4 | -2.9 |
| Absolute minimum temperature (°C) | -16.5 | -7.1 | -3.4 | 1.1 | 4.8 | 13.9 | 17.2 | 18.4 | 13.1 | 3.8 | -7.7 | -12.9 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.4 | 8.8 | 8.1 | 8.2 | 10.0 | 7.2 | 9.2 | 7.3 | 8.8 | 7.5 | 6.1 |
| Precipitation (mm) | 33 | 14 | 40 | 58 | 133 | 165 | 379 | 323 | 207 | 8 | 47 | 108 |
| Sunny days | 20 | 19 | 20 | 13 | 16 | 11 | 2 | 7 | 10 | 24 | 18 | 19 |
| Rainy days | 7 | 7 | 11 | 17 | 15 | 19 | 29 | 24 | 20 | 7 | 12 | 7 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Hapch’ŏn is at