Average annual temperature is 13.8 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 185 days
Number of rainy days: 172 days
Number of snow days: 8 days
Look at detailed online map of Ch’osan
* Weather data for Ch’osan 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) | 14.9 | 11.9 | 26.1 | 27.0 | 29.8 | 33.6 | 32.7 | 34.7 | 31.3 | 23.2 | 24.5 | 18.9 |
| Average daytime temperature (°C) | 4.5 | 7.4 | 15.4 | 18.9 | 23.7 | 26.8 | 28.9 | 30.6 | 26.9 | 20.3 | 12.7 | 7.3 |
| Average temperature (°C) | -0.5 | 1.8 | 8.5 | 13.2 | 18.2 | 22.2 | 25.5 | 26.5 | 22.8 | 15.0 | 8.2 | 3.3 |
| Average night temperature (°C) | -5.4 | -2.5 | 3.2 | 8.2 | 13.9 | 18.8 | 22.9 | 23.3 | 19.6 | 10.6 | 3.9 | -0.3 |
| Absolute minimum temperature (°C) | -14.3 | -6.1 | -4.0 | 2.2 | 6.3 | 15.9 | 20.5 | 18.2 | 14.7 | 5.9 | -4.2 | -10.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.7 | 9.1 | 7.9 | 8.5 | 9.9 | 7.1 | 9.3 | 7.3 | 8.3 | 6.8 | 5.2 |
| Precipitation (mm) | 35 | 6 | 25 | 79 | 185 | 220 | 657 | 272 | 223 | 14 | 92 | 123 |
| Sunny days | 20 | 24 | 22 | 17 | 13 | 16 | 2 | 5 | 14 | 23 | 15 | 14 |
| Rainy days | 9 | 4 | 9 | 13 | 18 | 14 | 29 | 26 | 16 | 8 | 14 | 12 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Ch’osan during the most sunny months:
The largest precipitation sum in Ch’osan is at