Average annual temperature is 12.0 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 185 days
Number of rainy days: 164 days
Number of snow days: 16 days
Look at detailed online map of Ŏmsu
* Weather data for Ŏmsu 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) | 10.2 | 10.9 | 21.4 | 23.4 | 28.7 | 32.6 | 32.2 | 34.0 | 30.7 | 23.0 | 23.7 | 15.4 |
| Average daytime temperature (°C) | 0.4 | 5.3 | 13.2 | 17.4 | 23.6 | 27.1 | 29.6 | 29.2 | 26.4 | 19.3 | 8.6 | 2.6 |
| Average temperature (°C) | -4.2 | -0.4 | 6.4 | 11.5 | 17.8 | 22.0 | 25.6 | 25.5 | 21.9 | 14.2 | 4.3 | -1.3 |
| Average night temperature (°C) | -8.7 | -4.4 | 0.9 | 6.5 | 12.6 | 17.5 | 22.4 | 22.2 | 18.1 | 10.0 | 0.4 | -5.1 |
| Absolute minimum temperature (°C) | -17.5 | -6.9 | -5.6 | -0.2 | 6.9 | 12.6 | 19.8 | 16.6 | 12.3 | 4.8 | -7.1 | -15.2 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 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) | 7.1 | 8.5 | 9.2 | 7.7 | 8.9 | 9.4 | 8.7 | 7.9 | 8.6 | 8.6 | 6.4 | 5.3 |
| Precipitation (mm) | 26 | 4 | 9 | 82 | 103 | 142 | 192 | 208 | 40 | 26 | 90 | 67 |
| Sunny days | 19 | 26 | 25 | 13 | 20 | 9 | 8 | 7 | 11 | 18 | 15 | 14 |
| Rainy days | 5 | 2 | 6 | 17 | 11 | 21 | 23 | 24 | 19 | 13 | 13 | 10 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Ŏmsu is at