Average annual temperature is 12.0 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -21.0 °C
Number of sunny days: 205 days
Number of rainy days: 153 days
Number of snow days: 7 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) | 11.7 | 13.3 | 22.1 | 23.9 | 30.9 | 34.6 | 34.7 | 35.8 | 29.4 | 23.7 | 22.3 | 15.3 |
| Average daytime temperature (°C) | 2.6 | 6.0 | 12.8 | 16.4 | 23.0 | 26.3 | 29.9 | 28.0 | 24.5 | 19.8 | 10.4 | 2.6 |
| Average temperature (°C) | -2.3 | 0.8 | 6.8 | 11.2 | 17.4 | 21.7 | 25.7 | 24.7 | 20.8 | 14.2 | 5.3 | -2.5 |
| Average night temperature (°C) | -6.6 | -3.2 | 1.4 | 6.8 | 12.1 | 17.6 | 22.4 | 22.2 | 17.7 | 9.6 | 1.0 | -6.9 |
| Absolute minimum temperature (°C) | -16.7 | -7.0 | -3.9 | 1.4 | 4.9 | 13.6 | 19.7 | 16.7 | 11.4 | 4.8 | -6.5 | -21.0 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.2 | 7.9 | 8.6 | 8.3 | 9.5 | 10.0 | 9.0 | 6.4 | 8.0 | 8.8 | 6.9 | 5.6 |
| Precipitation (mm) | 37 | 12 | 22 | 92 | 83 | 202 | 119 | 340 | 214 | 25 | 79 | 110 |
| Sunny days | 23 | 23 | 25 | 11 | 18 | 14 | 12 | 7 | 9 | 23 | 20 | 20 |
| Rainy days | 3 | 3 | 6 | 19 | 13 | 16 | 19 | 24 | 21 | 8 | 10 | 11 |
| Snow days | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wŏnsan is at