Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -25.4 °C
Number of sunny days: 189 days
Number of rainy days: 162 days
Number of snow days: 14 days
Look at detailed online map of Wŏnsan
* Weather data for Wŏnsan North 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) | 9.1 | 9.2 | 18.5 | 20.6 | 27.4 | 30.9 | 31.7 | 32.2 | 30.1 | 21.9 | 19.8 | 11.6 |
| Average daytime temperature (°C) | -2.9 | 3.2 | 10.1 | 15.0 | 21.0 | 24.9 | 27.9 | 27.8 | 25.6 | 17.7 | 5.5 | -1.6 |
| Average temperature (°C) | -8.2 | -1.7 | 4.3 | 9.6 | 16.0 | 20.2 | 24.0 | 24.2 | 20.7 | 12.6 | 1.1 | -6.3 |
| Average night temperature (°C) | -13.5 | -5.4 | -0.6 | 4.9 | 11.3 | 16.1 | 20.9 | 21.3 | 16.5 | 8.6 | -2.5 | -10.9 |
| Absolute minimum temperature (°C) | -24.3 | -9.1 | -6.2 | -1.4 | 6.4 | 11.6 | 18.4 | 16.1 | 9.9 | 2.2 | -9.2 | -25.4 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 6.7 | 7.5 | 9.0 | 8.9 | 9.2 | 9.9 | 8.4 | 7.5 | 9.8 | 8.0 | 6.2 | 6.0 |
| Precipitation (mm) | 30 | 3 | 16 | 107 | 148 | 150 | 233 | 405 | 31 | 76 | 109 | 51 |
| Sunny days | 18 | 25 | 23 | 15 | 17 | 9 | 9 | 4 | 16 | 16 | 18 | 19 |
| Rainy days | 5 | 2 | 8 | 15 | 14 | 21 | 22 | 27 | 14 | 15 | 11 | 8 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Wŏnsan is at