Average annual temperature is 9.7 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -25.5 °C
Number of sunny days: 178 days
Number of rainy days: 169 days
Number of snow days: 18 days
Look at detailed online map of Simyŏul
* Weather data for Simyŏul 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) | 7.8 | 9.5 | 19.9 | 23.0 | 27.6 | 30.6 | 31.8 | 32.0 | 29.9 | 21.2 | 20.9 | 10.1 |
| Average daytime temperature (°C) | -1.9 | 3.8 | 11.8 | 15.3 | 20.9 | 24.7 | 28.3 | 27.3 | 24.9 | 17.5 | 6.4 | -0.6 |
| Average temperature (°C) | -6.4 | -1.8 | 5.0 | 9.2 | 15.2 | 19.4 | 23.8 | 23.2 | 19.8 | 11.8 | 1.6 | -5.0 |
| Average night temperature (°C) | -11.0 | -5.6 | -0.7 | 3.7 | 9.6 | 14.4 | 20.2 | 19.9 | 15.5 | 7.3 | -2.0 | -9.3 |
| Absolute minimum temperature (°C) | -22.1 | -12.1 | -7.4 | -3.3 | 2.3 | 9.8 | 16.7 | 15.0 | 8.8 | 1.2 | -10.7 | -25.5 |
| 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) | 6.5 | 8.3 | 9.4 | 8.1 | 9.2 | 9.4 | 8.4 | 7.5 | 8.2 | 8.5 | 6.4 | 5.4 |
| Precipitation (mm) | 35 | 5 | 33 | 113 | 145 | 208 | 223 | 381 | 54 | 49 | 111 | 73 |
| Sunny days | 19 | 24 | 24 | 10 | 17 | 8 | 7 | 3 | 14 | 20 | 16 | 16 |
| Rainy days | 3 | 1 | 7 | 20 | 14 | 22 | 24 | 28 | 16 | 11 | 14 | 9 |
| Snow days | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Simyŏul is at