Average annual temperature is 10.3 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -22.8 °C
Number of sunny days: 207 days
Number of rainy days: 142 days
Number of snow days: 16 days
Look at detailed online map of Tongsep’yŏng
* Weather data for Tongsep’yŏng 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) | 8.8 | 7.7 | 16.7 | 20.7 | 29.3 | 30.9 | 31.6 | 33.1 | 31.2 | 22.0 | 20.5 | 11.8 |
| Average daytime temperature (°C) | -2.1 | 3.6 | 9.4 | 15.1 | 20.7 | 24.7 | 27.8 | 28.4 | 26.0 | 18.1 | 5.9 | -1.5 |
| Average temperature (°C) | -6.6 | -1.3 | 4.2 | 10.2 | 16.2 | 20.6 | 24.3 | 24.8 | 21.2 | 13.3 | 1.7 | -5.7 |
| Average night temperature (°C) | -11.2 | -4.9 | -0.1 | 5.8 | 12.2 | 16.9 | 21.5 | 21.8 | 17.1 | 9.6 | -2.0 | -10.2 |
| Absolute minimum temperature (°C) | -22.2 | -8.4 | -6.8 | -0.9 | 8.0 | 12.6 | 19.1 | 16.7 | 10.0 | 3.3 | -9.2 | -22.8 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 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) | 7.0 | 8.1 | 9.2 | 8.8 | 9.2 | 10.4 | 8.6 | 8.2 | 10.0 | 8.0 | 6.6 | 6.3 |
| Precipitation (mm) | 24 | 4 | 14 | 112 | 133 | 87 | 264 | 384 | 40 | 59 | 86 | 47 |
| Sunny days | 18 | 26 | 23 | 17 | 19 | 11 | 9 | 5 | 19 | 18 | 21 | 21 |
| Rainy days | 3 | 1 | 8 | 13 | 12 | 19 | 22 | 26 | 11 | 13 | 8 | 6 |
| Snow days | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Tongsep’yŏng is at