Average annual temperature is 10.7 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -20.8 °C
Number of sunny days: 184 days
Number of rainy days: 163 days
Number of snow days: 18 days
Look at detailed online map of Ohyŏn
* Weather data for Ohyŏn 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) | 9.4 | 10.6 | 21.2 | 23.5 | 27.0 | 31.8 | 32.4 | 33.4 | 29.0 | 20.7 | 21.2 | 13.5 |
| Average daytime temperature (°C) | -0.1 | 5.0 | 13.1 | 15.8 | 21.4 | 25.4 | 28.4 | 28.1 | 24.6 | 17.4 | 7.9 | 2.0 |
| Average temperature (°C) | -5.1 | -0.8 | 6.0 | 10.2 | 15.8 | 20.4 | 24.3 | 24.1 | 20.2 | 11.9 | 3.1 | -2.1 |
| Average night temperature (°C) | -9.9 | -4.5 | 0.5 | 5.5 | 11.0 | 16.0 | 21.2 | 20.8 | 16.9 | 7.8 | -0.6 | -5.4 |
| Absolute minimum temperature (°C) | -20.8 | -8.0 | -5.7 | -2.1 | 5.0 | 11.4 | 18.1 | 15.5 | 10.6 | 2.0 | -9.6 | -16.8 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.1 | 8.4 | 9.5 | 7.3 | 9.3 | 9.8 | 8.2 | 7.8 | 7.7 | 8.2 | 6.7 | 5.9 |
| Precipitation (mm) | 50 | 2 | 24 | 115 | 148 | 198 | 348 | 316 | 117 | 34 | 103 | 94 |
| Sunny days | 21 | 23 | 23 | 12 | 20 | 10 | 6 | 6 | 11 | 17 | 16 | 19 |
| Rainy days | 3 | 0 | 8 | 18 | 11 | 20 | 25 | 25 | 19 | 14 | 12 | 8 |
| Snow days | 7 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Ohyŏn is at