Average annual temperature is 9.5 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -25.6 °C
Number of sunny days: 193 days
Number of rainy days: 152 days
Number of snow days: 20 days
Look at detailed online map of Simyŏn
* Weather data for Simyŏn 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) | 8.4 | 8.7 | 19.0 | 21.0 | 26.8 | 30.9 | 32.4 | 32.3 | 30.1 | 22.7 | 20.0 | 9.0 |
| Average daytime temperature (°C) | -3.4 | 2.9 | 10.2 | 15.1 | 21.1 | 25.3 | 28.0 | 27.7 | 25.4 | 17.3 | 5.2 | -2.1 |
| Average temperature (°C) | -8.5 | -2.1 | 4.1 | 9.3 | 15.8 | 20.0 | 23.8 | 23.9 | 20.2 | 12.1 | 0.9 | -6.9 |
| Average night temperature (°C) | -13.9 | -5.8 | -0.6 | 4.3 | 10.9 | 15.3 | 20.6 | 20.6 | 15.8 | 7.9 | -2.7 | -11.4 |
| Absolute minimum temperature (°C) | -25.6 | -9.6 | -6.7 | -2.0 | 6.4 | 8.5 | 17.4 | 14.6 | 8.8 | 0.8 | -9.5 | -24.6 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 6.6 | 7.6 | 9.1 | 8.7 | 9.5 | 10.1 | 8.3 | 7.2 | 9.7 | 8.0 | 6.0 | 5.8 |
| Precipitation (mm) | 25 | 2 | 21 | 118 | 120 | 183 | 237 | 356 | 16 | 87 | 108 | 52 |
| Sunny days | 19 | 25 | 21 | 16 | 18 | 9 | 6 | 8 | 15 | 18 | 17 | 21 |
| Rainy days | 2 | 2 | 9 | 14 | 13 | 21 | 25 | 23 | 15 | 13 | 11 | 4 |
| Snow days | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Simyŏn during the most sunny months:
The largest precipitation sum in Simyŏn is at