Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -20.2 °C
Number of sunny days: 181 days
Number of rainy days: 164 days
Number of snow days: 20 days
Look at detailed online map of Tongjŏm
* Weather data for Tongjŏm 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) | 9.7 | 9.8 | 20.2 | 24.1 | 28.6 | 31.9 | 32.8 | 32.3 | 30.5 | 21.8 | 23.5 | 14.1 |
| Average daytime temperature (°C) | -0.5 | 4.7 | 12.7 | 16.9 | 23.1 | 26.2 | 29.5 | 28.5 | 26.1 | 18.7 | 7.6 | 1.5 |
| Average temperature (°C) | -5.0 | -0.6 | 6.2 | 11.1 | 17.4 | 21.2 | 25.4 | 24.9 | 21.3 | 13.3 | 2.9 | -2.7 |
| Average night temperature (°C) | -9.9 | -4.4 | 0.7 | 6.2 | 12.2 | 16.7 | 22.0 | 21.9 | 17.2 | 8.8 | -0.9 | -6.6 |
| Absolute minimum temperature (°C) | -20.2 | -7.5 | -5.8 | 0.1 | 6.4 | 12.8 | 19.3 | 16.4 | 10.5 | 3.5 | -8.4 | -19.1 |
| 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 | 14.8 | 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) | 7.0 | 8.1 | 9.4 | 8.2 | 9.3 | 9.6 | 9.2 | 7.7 | 8.5 | 8.4 | 6.6 | 6.0 |
| Precipitation (mm) | 23 | 4 | 14 | 86 | 124 | 213 | 202 | 268 | 56 | 51 | 89 | 67 |
| Sunny days | 18 | 23 | 24 | 14 | 19 | 8 | 8 | 5 | 12 | 20 | 16 | 14 |
| Rainy days | 4 | 3 | 7 | 16 | 12 | 22 | 23 | 26 | 18 | 11 | 12 | 10 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The largest precipitation sum in Tongjŏm is at