Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 178 days
Number of rainy days: 172 days
Number of snow days: 15 days
Look at detailed online map of Tanghyŏn
* Weather data for Tanghyŏn 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 | 10.8 | 20.9 | 23.2 | 28.4 | 32.4 | 32.3 | 33.6 | 30.8 | 22.8 | 23.4 | 14.7 |
| Average daytime temperature (°C) | 0.2 | 5.1 | 12.9 | 17.0 | 23.1 | 26.8 | 29.6 | 29.2 | 26.5 | 19.1 | 8.4 | 2.5 |
| Average temperature (°C) | -4.4 | -0.3 | 6.4 | 11.5 | 17.7 | 21.9 | 25.6 | 25.5 | 22.1 | 14.2 | 4.1 | -1.5 |
| Average night temperature (°C) | -9.0 | -4.1 | 1.1 | 6.8 | 12.9 | 17.7 | 22.5 | 22.4 | 18.4 | 10.2 | 0.4 | -5.3 |
| Absolute minimum temperature (°C) | -18.0 | -6.8 | -4.6 | 0.6 | 6.9 | 14.0 | 20.8 | 17.1 | 12.4 | 4.2 | -7.3 | -16.0 |
| 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 | 14.5 | 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) | 7.1 | 8.5 | 9.2 | 7.7 | 9.0 | 9.4 | 8.6 | 7.9 | 8.6 | 8.4 | 6.5 | 5.5 |
| Precipitation (mm) | 30 | 5 | 17 | 98 | 109 | 168 | 232 | 245 | 51 | 34 | 96 | 68 |
| Sunny days | 18 | 26 | 25 | 13 | 17 | 9 | 9 | 3 | 11 | 17 | 14 | 16 |
| Rainy days | 5 | 2 | 6 | 17 | 14 | 21 | 22 | 28 | 19 | 14 | 14 | 10 |
| Snow days | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Tanghyŏn is at