Average annual temperature is 12.1 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 190 days
Number of rainy days: 157 days
Number of snow days: 18 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) | 10.2 | 10.8 | 21.6 | 23.4 | 28.2 | 32.6 | 32.1 | 33.6 | 30.3 | 22.9 | 23.7 | 15.4 |
| Average daytime temperature (°C) | 0.5 | 5.3 | 13.0 | 17.3 | 23.3 | 27.0 | 29.5 | 29.2 | 26.4 | 19.4 | 8.9 | 2.8 |
| Average temperature (°C) | -4.0 | -0.3 | 6.5 | 11.6 | 17.7 | 21.9 | 25.6 | 25.5 | 21.9 | 14.3 | 4.6 | -1.1 |
| Average night temperature (°C) | -8.3 | -4.2 | 1.2 | 6.8 | 12.5 | 17.5 | 22.3 | 22.3 | 18.1 | 10.1 | 0.7 | -4.9 |
| Absolute minimum temperature (°C) | -17.1 | -6.8 | -4.8 | 1.3 | 6.6 | 13.0 | 19.8 | 17.3 | 12.2 | 5.0 | -7.0 | -14.7 |
| 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 | 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 | 8.4 | 9.1 | 7.6 | 8.9 | 9.3 | 8.5 | 8.0 | 8.5 | 8.5 | 6.3 | 5.1 |
| Precipitation (mm) | 27 | 4 | 20 | 81 | 100 | 150 | 213 | 217 | 49 | 26 | 82 | 74 |
| Sunny days | 20 | 26 | 26 | 14 | 19 | 9 | 10 | 8 | 12 | 18 | 14 | 14 |
| Rainy days | 4 | 2 | 5 | 16 | 12 | 21 | 21 | 23 | 18 | 13 | 13 | 9 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 |
The largest precipitation sum in Tanghyŏn is at