Average annual temperature is 13.2 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 194 days
Number of rainy days: 163 days
Number of snow days: 8 days
Look at detailed online map of Poriwŏn
* Weather data for Poriwŏn 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) | 13.0 | 10.9 | 25.7 | 27.1 | 31.0 | 35.2 | 34.1 | 34.9 | 30.9 | 22.9 | 23.7 | 17.8 |
| Average daytime temperature (°C) | 2.9 | 6.2 | 14.9 | 18.8 | 24.4 | 27.7 | 29.9 | 30.8 | 26.7 | 19.9 | 11.2 | 5.6 |
| Average temperature (°C) | -1.5 | 1.0 | 8.1 | 12.8 | 18.4 | 22.4 | 25.7 | 26.2 | 22.3 | 14.3 | 6.4 | 1.1 |
| Average night temperature (°C) | -6.0 | -3.2 | 3.0 | 8.0 | 13.5 | 18.5 | 22.7 | 22.6 | 18.9 | 9.4 | 1.9 | -2.8 |
| Absolute minimum temperature (°C) | -15.2 | -6.2 | -3.6 | 2.3 | 5.9 | 15.0 | 20.2 | 17.5 | 13.1 | 3.8 | -6.5 | -13.9 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 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) | 7.2 | 8.2 | 9.5 | 7.7 | 8.6 | 9.9 | 7.5 | 8.8 | 7.3 | 8.3 | 7.0 | 5.4 |
| Precipitation (mm) | 28 | 1 | 17 | 65 | 126 | 102 | 402 | 246 | 217 | 17 | 82 | 91 |
| Sunny days | 21 | 27 | 24 | 15 | 21 | 13 | 6 | 5 | 10 | 23 | 15 | 14 |
| Rainy days | 8 | 1 | 7 | 15 | 10 | 17 | 25 | 26 | 20 | 8 | 15 | 11 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The best time to visit Poriwŏn during the most sunny months:
The largest precipitation sum in Poriwŏn is at