Average annual temperature is 13.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -14.9 °C
Number of sunny days: 179 days
Number of rainy days: 178 days
Number of snow days: 8 days
Look at detailed online map of Ŏyŏng
* Weather data for Ŏyŏng 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) | 13.9 | 13.4 | 22.6 | 26.3 | 27.9 | 31.6 | 32.6 | 33.7 | 28.7 | 22.1 | 22.8 | 17.4 |
| Average daytime temperature (°C) | 4.7 | 8.5 | 15.7 | 17.4 | 21.3 | 26.0 | 27.8 | 29.3 | 25.7 | 19.7 | 12.5 | 7.0 |
| Average temperature (°C) | 0.4 | 3.5 | 9.8 | 12.4 | 16.8 | 21.2 | 24.4 | 25.5 | 21.9 | 14.7 | 7.6 | 2.7 |
| Average night temperature (°C) | -3.2 | -0.3 | 5.2 | 8.1 | 13.1 | 17.7 | 21.7 | 22.7 | 18.9 | 10.6 | 3.3 | -0.8 |
| Absolute minimum temperature (°C) | -14.9 | -6.0 | -3.0 | 1.2 | 6.4 | 14.0 | 18.2 | 21.0 | 14.5 | 5.5 | -6.3 | -11.1 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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) | 7.7 | 7.7 | 8.8 | 8.2 | 7.9 | 8.6 | 7.0 | 9.1 | 7.7 | 8.8 | 8.1 | 7.0 |
| Precipitation (mm) | 48 | 36 | 68 | 72 | 230 | 218 | 366 | 309 | 244 | 6 | 34 | 71 |
| Sunny days | 23 | 18 | 20 | 14 | 12 | 12 | 5 | 3 | 7 | 25 | 21 | 19 |
| Rainy days | 6 | 9 | 11 | 16 | 19 | 18 | 26 | 28 | 23 | 6 | 8 | 8 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Ŏyŏng is at