Average annual temperature is 14.0 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 190 days
Number of rainy days: 172 days
Number of snow days: 3 days
Look at detailed online map of Tarhyŏn
* Weather data for Tarhyŏn South 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) | 16.2 | 14.7 | 23.3 | 27.6 | 30.1 | 32.1 | 34.2 | 35.0 | 29.9 | 23.5 | 26.6 | 19.1 |
| Average daytime temperature (°C) | 6.3 | 9.8 | 16.8 | 18.8 | 22.6 | 27.3 | 29.1 | 30.5 | 26.6 | 21.0 | 14.3 | 8.5 |
| Average temperature (°C) | 0.5 | 3.7 | 10.2 | 13.1 | 17.5 | 22.2 | 25.0 | 26.4 | 22.4 | 15.0 | 8.3 | 3.3 |
| Average night temperature (°C) | -4.1 | -1.4 | 4.7 | 8.1 | 13.4 | 18.3 | 22.1 | 23.1 | 18.8 | 9.8 | 3.4 | -0.7 |
| Absolute minimum temperature (°C) | -13.0 | -6.0 | -4.6 | 1.4 | 6.5 | 14.9 | 18.9 | 20.6 | 14.4 | 4.9 | -5.0 | -8.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.6 | 8.6 | 7.9 | 7.5 | 8.9 | 7.0 | 9.4 | 7.4 | 8.6 | 8.1 | 7.0 |
| Precipitation (mm) | 57 | 41 | 66 | 77 | 260 | 185 | 231 | 327 | 263 | 7 | 39 | 73 |
| Sunny days | 26 | 20 | 20 | 16 | 14 | 11 | 3 | 3 | 6 | 26 | 23 | 22 |
| Rainy days | 4 | 8 | 11 | 14 | 17 | 19 | 28 | 28 | 24 | 5 | 7 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Tarhyŏn is at