Average annual temperature is 12.0 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 190 days
Number of rainy days: 154 days
Number of snow days: 21 days
Look at detailed online map of Tonggach’ŏn
* Weather data for Tonggach’ŏn 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) | 8.7 | 9.1 | 16.6 | 21.8 | 27.5 | 28.6 | 30.7 | 31.8 | 29.1 | 22.5 | 23.3 | 15.3 |
| Average daytime temperature (°C) | -0.2 | 3.2 | 10.4 | 14.9 | 20.9 | 24.1 | 28.2 | 28.0 | 25.3 | 19.3 | 9.0 | 2.3 |
| Average temperature (°C) | -3.3 | 0.0 | 6.1 | 10.7 | 16.7 | 20.5 | 25.0 | 25.3 | 22.0 | 15.5 | 5.8 | -0.7 |
| Average night temperature (°C) | -7.5 | -2.9 | 2.4 | 7.5 | 13.3 | 17.5 | 22.4 | 22.7 | 18.8 | 12.4 | 2.7 | -4.0 |
| Absolute minimum temperature (°C) | -15.9 | -5.6 | -1.6 | 3.2 | 8.1 | 13.9 | 19.8 | 19.0 | 15.8 | 8.1 | -5.1 | -13.3 |
| 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) | 7.2 | 8.5 | 9.3 | 8.2 | 9.3 | 10.0 | 8.9 | 8.3 | 8.8 | 8.7 | 6.0 | 4.3 |
| Precipitation (mm) | 26 | 4 | 5 | 81 | 111 | 130 | 162 | 250 | 27 | 71 | 105 | 77 |
| Sunny days | 15 | 25 | 26 | 15 | 24 | 17 | 10 | 7 | 8 | 18 | 13 | 12 |
| Rainy days | 7 | 3 | 5 | 15 | 7 | 13 | 21 | 24 | 22 | 13 | 14 | 10 |
| Snow days | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 |
The largest precipitation sum in Tonggach’ŏn is at