Average annual temperature is 10.3 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -25.7 °C
Number of sunny days: 219 days
Number of rainy days: 130 days
Number of snow days: 16 days
Look at detailed online map of Tongsŭng
* Weather data for Tongsŭng 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) | 7.2 | 6.9 | 13.2 | 18.4 | 28.0 | 30.4 | 31.5 | 33.2 | 30.4 | 22.7 | 20.6 | 11.6 |
| Average daytime temperature (°C) | -1.8 | 3.1 | 8.2 | 14.4 | 19.6 | 24.0 | 27.4 | 28.4 | 25.7 | 18.4 | 6.3 | -2.2 |
| Average temperature (°C) | -6.0 | -1.5 | 3.6 | 9.9 | 15.8 | 20.7 | 24.4 | 24.9 | 21.0 | 13.7 | 2.1 | -6.2 |
| Average night temperature (°C) | -10.7 | -5.2 | -0.6 | 6.1 | 12.4 | 17.8 | 21.8 | 21.9 | 17.0 | 9.6 | -1.9 | -10.8 |
| Absolute minimum temperature (°C) | -20.2 | -8.3 | -6.8 | 0.0 | 8.9 | 14.2 | 19.5 | 15.6 | 10.6 | 4.6 | -9.3 | -25.7 |
| 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 | 11.2 | 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) | 7.2 | 7.9 | 9.2 | 8.6 | 9.0 | 10.2 | 8.5 | 8.6 | 10.0 | 8.2 | 6.8 | 6.2 |
| Precipitation (mm) | 18 | 3 | 3 | 92 | 107 | 49 | 166 | 281 | 40 | 60 | 84 | 45 |
| Sunny days | 22 | 27 | 25 | 16 | 23 | 14 | 9 | 11 | 17 | 19 | 19 | 17 |
| Rainy days | 3 | 1 | 6 | 14 | 8 | 16 | 22 | 20 | 13 | 12 | 9 | 6 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The largest precipitation sum in Tongsŭng is at