Average annual temperature is 11.9 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -16.5 °C
Number of sunny days: 187 days
Number of rainy days: 165 days
Number of snow days: 13 days
Look at detailed online map of Ŏnam
* Weather data for Ŏnam 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) | 9.3 | 7.9 | 17.4 | 20.5 | 25.0 | 30.2 | 30.8 | 33.0 | 29.2 | 22.7 | 20.7 | 13.2 |
| Average daytime temperature (°C) | 0.9 | 4.4 | 9.9 | 15.0 | 19.3 | 23.6 | 26.9 | 28.0 | 25.3 | 18.9 | 9.6 | 3.3 |
| Average temperature (°C) | -3.1 | -0.1 | 5.6 | 11.0 | 15.9 | 20.8 | 24.6 | 25.4 | 22.0 | 14.7 | 5.5 | -0.1 |
| Average night temperature (°C) | -7.1 | -3.9 | 1.3 | 7.7 | 12.6 | 17.9 | 22.6 | 22.6 | 18.7 | 10.6 | 1.6 | -4.1 |
| Absolute minimum temperature (°C) | -16.5 | -7.2 | -2.9 | 2.1 | 7.3 | 14.3 | 19.4 | 16.8 | 13.2 | 5.2 | -6.3 | -13.7 |
| 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 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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 | 8.5 | 9.1 | 7.5 | 9.0 | 9.6 | 8.2 | 8.7 | 8.1 | 8.5 | 6.9 | 6.3 |
| Precipitation (mm) | 27 | 3 | 21 | 121 | 193 | 148 | 255 | 247 | 77 | 50 | 86 | 64 |
| Sunny days | 19 | 26 | 25 | 12 | 17 | 8 | 8 | 9 | 9 | 20 | 15 | 19 |
| Rainy days | 5 | 2 | 6 | 18 | 14 | 22 | 23 | 22 | 21 | 11 | 13 | 8 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Ŏnam is at