Average annual temperature is 11.9 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -17.8 °C
Number of sunny days: 194 days
Number of rainy days: 157 days
Number of snow days: 14 days
Look at detailed online map of Siumul
* Weather data for Siumul 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) | 9.7 | 10.8 | 21.3 | 24.0 | 29.2 | 32.5 | 31.8 | 33.5 | 30.6 | 23.5 | 23.9 | 15.8 |
| Average daytime temperature (°C) | 0.0 | 5.1 | 13.3 | 17.6 | 23.8 | 26.8 | 29.6 | 29.1 | 26.7 | 19.5 | 8.4 | 2.1 |
| Average temperature (°C) | -4.6 | -0.4 | 6.4 | 11.8 | 17.9 | 21.7 | 25.5 | 25.4 | 21.8 | 14.0 | 4.0 | -1.9 |
| Average night temperature (°C) | -9.3 | -4.3 | 0.9 | 7.1 | 12.8 | 17.6 | 22.2 | 22.4 | 17.8 | 9.6 | 0.1 | -5.9 |
| Absolute minimum temperature (°C) | -17.8 | -6.7 | -5.1 | 1.9 | 7.0 | 13.4 | 19.3 | 16.9 | 12.4 | 4.1 | -7.1 | -16.3 |
| 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 | 14.6 | 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) | 7.2 | 8.4 | 9.4 | 8.2 | 9.1 | 9.6 | 9.1 | 7.7 | 8.5 | 8.6 | 6.6 | 5.6 |
| Precipitation (mm) | 18 | 3 | 11 | 92 | 127 | 194 | 172 | 278 | 31 | 45 | 135 | 63 |
| Sunny days | 18 | 25 | 27 | 14 | 22 | 10 | 8 | 5 | 12 | 20 | 16 | 17 |
| Rainy days | 5 | 2 | 4 | 16 | 9 | 20 | 23 | 26 | 18 | 11 | 12 | 11 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Siumul is at