Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 180 days
Number of rainy days: 172 days
Number of snow days: 13 days
Look at detailed online map of Tonggwanŭm
* Weather data for Tonggwanŭm 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) | 13.8 | 11.3 | 22.3 | 24.7 | 29.8 | 32.0 | 31.9 | 33.1 | 29.0 | 20.6 | 22.6 | 16.2 |
| Average daytime temperature (°C) | 2.0 | 6.2 | 14.8 | 17.4 | 22.5 | 26.9 | 28.2 | 29.4 | 25.1 | 18.1 | 9.7 | 4.2 |
| Average temperature (°C) | -2.3 | 0.8 | 8.4 | 11.5 | 17.3 | 21.5 | 24.4 | 25.1 | 21.2 | 13.2 | 5.2 | 0.5 |
| Average night temperature (°C) | -6.2 | -2.9 | 3.2 | 6.6 | 12.5 | 17.1 | 21.4 | 21.8 | 17.7 | 9.2 | 0.9 | -2.9 |
| Absolute minimum temperature (°C) | -18.0 | -8.0 | -4.4 | -0.5 | 4.5 | 12.6 | 17.4 | 17.6 | 12.2 | 3.9 | -9.3 | -15.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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 | 7.6 | 9.1 | 7.8 | 8.4 | 10.1 | 7.4 | 9.2 | 7.3 | 8.6 | 7.4 | 5.9 |
| Precipitation (mm) | 39 | 7 | 29 | 71 | 138 | 211 | 555 | 362 | 263 | 24 | 59 | 101 |
| Sunny days | 17 | 19 | 23 | 12 | 19 | 9 | 5 | 6 | 10 | 24 | 17 | 19 |
| Rainy days | 6 | 8 | 8 | 18 | 12 | 21 | 26 | 25 | 20 | 7 | 13 | 8 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Tonggwanŭm during the most sunny months:
The largest precipitation sum in Tonggwanŭm is at