Average annual temperature is 11.9 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 182 days
Number of rainy days: 163 days
Number of snow days: 20 days
Look at detailed online map of Tanghyŏn-san
* Weather data for Tanghyŏn-san 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) | 10.1 | 9.1 | 17.6 | 21.9 | 26.3 | 31.0 | 32.0 | 33.2 | 30.2 | 23.0 | 22.0 | 14.6 |
| Average daytime temperature (°C) | 1.3 | 4.9 | 11.0 | 15.9 | 20.9 | 25.0 | 28.3 | 28.7 | 25.9 | 19.4 | 9.6 | 3.4 |
| Average temperature (°C) | -3.1 | -0.1 | 5.8 | 11.0 | 16.6 | 21.0 | 24.8 | 25.3 | 21.6 | 14.5 | 5.3 | -0.4 |
| Average night temperature (°C) | -7.1 | -3.8 | 1.3 | 7.3 | 12.8 | 17.5 | 22.2 | 22.3 | 18.0 | 10.5 | 1.3 | -3.9 |
| Absolute minimum temperature (°C) | -15.8 | -7.1 | -4.6 | 1.7 | 6.7 | 13.9 | 19.3 | 17.2 | 12.2 | 5.7 | -6.1 | -13.4 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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 | 8.4 | 9.0 | 7.7 | 8.9 | 9.6 | 8.1 | 8.2 | 8.1 | 8.7 | 6.5 | 5.0 |
| Precipitation (mm) | 27 | 6 | 9 | 100 | 157 | 192 | 284 | 258 | 94 | 59 | 112 | 62 |
| Sunny days | 16 | 25 | 23 | 15 | 21 | 10 | 10 | 6 | 8 | 16 | 15 | 17 |
| Rainy days | 5 | 3 | 6 | 15 | 10 | 20 | 21 | 25 | 22 | 15 | 12 | 9 |
| Snow days | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
The largest precipitation sum in Tanghyŏn-san is at