Average annual temperature is 9.2 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -27.0 °C
Number of sunny days: 196 days
Number of rainy days: 150 days
Number of snow days: 19 days
Look at detailed online map of Osŏng
* Weather data for Osŏng 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) | 8.5 | 7.7 | 18.8 | 20.5 | 26.9 | 30.6 | 31.0 | 31.5 | 29.4 | 21.2 | 19.1 | 10.5 |
| Average daytime temperature (°C) | -3.7 | 2.4 | 9.7 | 14.4 | 20.3 | 24.5 | 27.3 | 27.3 | 24.8 | 16.8 | 4.5 | -2.4 |
| Average temperature (°C) | -8.8 | -2.5 | 3.7 | 9.1 | 15.6 | 19.8 | 23.5 | 23.6 | 20.2 | 12.2 | 0.3 | -6.8 |
| Average night temperature (°C) | -14.1 | -6.1 | -0.7 | 4.7 | 11.4 | 15.8 | 20.5 | 20.7 | 16.1 | 8.6 | -3.2 | -11.1 |
| Absolute minimum temperature (°C) | -27.0 | -10.8 | -7.6 | -2.1 | 6.8 | 10.9 | 18.2 | 16.0 | 9.9 | 2.6 | -10.6 | -23.6 |
| 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 | 11.1 | 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 | 7.6 | 9.1 | 8.7 | 9.3 | 10.1 | 8.5 | 7.5 | 9.9 | 7.9 | 6.2 | 6.0 |
| Precipitation (mm) | 24 | 4 | 12 | 94 | 116 | 119 | 221 | 356 | 22 | 68 | 94 | 49 |
| Sunny days | 19 | 26 | 21 | 15 | 18 | 9 | 8 | 6 | 18 | 20 | 16 | 20 |
| Rainy days | 3 | 1 | 9 | 15 | 13 | 21 | 23 | 25 | 12 | 11 | 11 | 6 |
| Snow days | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
The largest precipitation sum in Osŏng is at