Average annual temperature is 14.4 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -14.9 °C
Number of sunny days: 199 days
Number of rainy days: 162 days
Number of snow days: 4 days
Look at detailed online map of Okch’ŏn
* Weather data for Okch’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) | 15.8 | 14.4 | 23.3 | 27.4 | 32.6 | 33.4 | 34.3 | 35.3 | 31.0 | 23.6 | 25.6 | 18.5 |
| Average daytime temperature (°C) | 5.1 | 8.6 | 16.0 | 18.3 | 22.6 | 27.0 | 29.9 | 30.0 | 26.0 | 20.7 | 13.2 | 7.3 |
| Average temperature (°C) | 0.8 | 3.7 | 10.3 | 13.5 | 18.3 | 22.8 | 26.3 | 26.6 | 22.6 | 15.5 | 8.4 | 3.1 |
| Average night temperature (°C) | -3.1 | -0.2 | 5.4 | 9.1 | 14.2 | 19.3 | 23.4 | 23.7 | 19.6 | 11.2 | 3.9 | -0.4 |
| Absolute minimum temperature (°C) | -14.9 | -5.0 | -2.4 | 3.1 | 8.6 | 15.0 | 19.2 | 20.9 | 13.4 | 6.0 | -5.8 | -11.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 7.7 | 7.5 | 9.0 | 8.9 | 8.9 | 10.1 | 8.5 | 9.6 | 7.2 | 8.7 | 7.9 | 7.1 |
| Precipitation (mm) | 40 | 26 | 62 | 62 | 174 | 193 | 313 | 248 | 233 | 11 | 40 | 154 |
| Sunny days | 25 | 19 | 20 | 16 | 16 | 10 | 4 | 12 | 7 | 24 | 23 | 23 |
| Rainy days | 4 | 8 | 11 | 14 | 15 | 20 | 27 | 19 | 23 | 7 | 7 | 7 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Okch’ŏn is at