Average annual temperature is 13.8 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 192 days
Number of rainy days: 167 days
Number of snow days: 6 days
Look at detailed online map of Tonghae
* Weather data for Tonghae 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) | 15.0 | 14.9 | 22.2 | 26.1 | 31.4 | 31.5 | 32.4 | 34.5 | 29.2 | 24.2 | 24.7 | 17.8 |
| Average daytime temperature (°C) | 4.7 | 7.3 | 14.7 | 17.8 | 22.3 | 26.3 | 29.5 | 28.9 | 24.7 | 19.7 | 12.7 | 6.4 |
| Average temperature (°C) | 0.2 | 2.8 | 9.5 | 13.0 | 18.1 | 22.3 | 26.1 | 25.7 | 21.8 | 15.1 | 8.1 | 2.3 |
| Average night temperature (°C) | -3.5 | -0.6 | 4.7 | 8.6 | 14.1 | 18.7 | 23.2 | 23.1 | 19.1 | 11.2 | 4.2 | -0.7 |
| Absolute minimum temperature (°C) | -14.7 | -5.0 | -2.6 | 3.7 | 8.8 | 16.0 | 18.7 | 17.3 | 12.8 | 5.9 | -5.2 | -11.9 |
| 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 | 12.0 | 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 | 10.2 | 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) | 7.3 | 7.7 | 8.8 | 8.8 | 8.9 | 10.2 | 8.2 | 8.5 | 7.3 | 8.2 | 7.4 | 6.4 |
| Precipitation (mm) | 75 | 48 | 28 | 82 | 130 | 173 | 289 | 301 | 261 | 40 | 48 | 175 |
| Sunny days | 26 | 19 | 21 | 14 | 15 | 11 | 8 | 7 | 7 | 19 | 22 | 23 |
| Rainy days | 4 | 5 | 10 | 16 | 16 | 19 | 23 | 24 | 23 | 12 | 7 | 8 |
| Snow days | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in Tonghae is at