Average annual temperature is 10.8 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -20.2 °C
Number of sunny days: 175 days
Number of rainy days: 172 days
Number of snow days: 18 days
Look at detailed online map of Siryŏul
* Weather data for Siryŏul 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 | 9.6 | 20.5 | 22.4 | 28.6 | 30.9 | 31.4 | 32.2 | 29.8 | 21.5 | 21.2 | 12.9 |
| Average daytime temperature (°C) | -0.4 | 4.5 | 12.1 | 16.2 | 21.8 | 25.6 | 28.4 | 28.1 | 25.5 | 17.7 | 7.3 | 1.3 |
| Average temperature (°C) | -5.1 | -1.0 | 5.6 | 10.4 | 16.2 | 20.6 | 24.4 | 24.2 | 20.8 | 12.7 | 2.6 | -2.8 |
| Average night temperature (°C) | -9.5 | -4.7 | 0.3 | 5.5 | 10.9 | 16.1 | 21.2 | 20.8 | 16.8 | 8.1 | -1.1 | -6.7 |
| Absolute minimum temperature (°C) | -20.2 | -7.9 | -5.7 | -1.8 | 4.6 | 11.9 | 19.2 | 16.5 | 11.0 | 2.5 | -9.1 | -18.6 |
| 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 | 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) | 6.9 | 8.3 | 9.3 | 7.9 | 9.2 | 9.4 | 8.4 | 7.8 | 8.6 | 8.1 | 6.6 | 5.9 |
| Precipitation (mm) | 40 | 5 | 15 | 118 | 154 | 199 | 186 | 310 | 64 | 27 | 98 | 77 |
| Sunny days | 19 | 25 | 24 | 11 | 16 | 8 | 8 | 4 | 11 | 18 | 13 | 18 |
| Rainy days | 4 | 0 | 6 | 19 | 15 | 22 | 23 | 27 | 19 | 13 | 15 | 9 |
| Snow days | 8 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Siryŏul is at