Average annual temperature is 11.1 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -18.9 °C
Number of sunny days: 196 days
Number of rainy days: 148 days
Number of snow days: 21 days
Look at detailed online map of Simwŏl-li
* Weather data for Simwŏl-li 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) | 6.8 | 7.8 | 17.0 | 22.4 | 28.8 | 28.2 | 31.0 | 31.5 | 29.2 | 22.1 | 22.7 | 15.5 |
| Average daytime temperature (°C) | -1.7 | 3.0 | 10.1 | 15.1 | 21.3 | 24.2 | 27.9 | 27.8 | 25.4 | 18.5 | 7.0 | 0.8 |
| Average temperature (°C) | -5.4 | -0.9 | 4.9 | 10.5 | 16.5 | 20.4 | 24.5 | 24.9 | 21.5 | 13.9 | 3.6 | -2.7 |
| Average night temperature (°C) | -10.3 | -4.2 | 0.4 | 6.9 | 12.4 | 17.0 | 21.9 | 22.5 | 17.9 | 9.8 | 0.1 | -6.5 |
| Absolute minimum temperature (°C) | -18.9 | -6.7 | -3.2 | 1.5 | 6.6 | 13.9 | 19.1 | 17.4 | 12.0 | 4.4 | -6.7 | -16.6 |
| 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 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 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) | 7.3 | 8.3 | 9.2 | 8.8 | 9.4 | 10.1 | 9.2 | 8.3 | 9.2 | 8.6 | 6.8 | 6.4 |
| Precipitation (mm) | 27 | 4 | 26 | 99 | 137 | 192 | 227 | 316 | 35 | 64 | 111 | 54 |
| Sunny days | 16 | 25 | 24 | 15 | 21 | 11 | 8 | 8 | 12 | 20 | 19 | 17 |
| Rainy days | 4 | 2 | 6 | 15 | 10 | 19 | 23 | 23 | 18 | 11 | 10 | 7 |
| Snow days | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Simwŏl-li is at