Average annual temperature is 8.9 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -22.0 °C
Number of sunny days: 178 days
Number of rainy days: 164 days
Number of snow days: 23 days
Look at detailed online map of Mattuduk
* Weather data for Mattuduk 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) | 9.8 | 9.8 | 18.9 | 21.5 | 25.6 | 27.3 | 29.4 | 30.2 | 26.3 | 18.3 | 19.3 | 12.1 |
| Average daytime temperature (°C) | -1.2 | 3.2 | 10.9 | 13.2 | 18.5 | 22.7 | 25.9 | 25.9 | 21.8 | 15.1 | 6.9 | 0.4 |
| Average temperature (°C) | -5.7 | -1.8 | 4.6 | 7.9 | 13.5 | 18.1 | 22.0 | 21.9 | 17.9 | 9.8 | 2.0 | -3.6 |
| Average night temperature (°C) | -10.1 | -5.3 | -0.8 | 3.1 | 8.7 | 13.6 | 18.8 | 18.9 | 14.9 | 5.1 | -2.1 | -6.9 |
| Absolute minimum temperature (°C) | -22.0 | -9.3 | -8.9 | -4.3 | 2.1 | 9.0 | 14.6 | 12.2 | 8.5 | -0.7 | -11.4 | -19.0 |
| 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 | 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) | 7.2 | 7.8 | 9.0 | 8.1 | 8.9 | 9.8 | 7.8 | 8.4 | 7.2 | 8.3 | 6.8 | 6.0 |
| Precipitation (mm) | 40 | 9 | 21 | 87 | 102 | 176 | 372 | 274 | 196 | 18 | 73 | 103 |
| Sunny days | 20 | 19 | 24 | 15 | 15 | 8 | 6 | 10 | 9 | 18 | 17 | 17 |
| Rainy days | 4 | 0 | 7 | 15 | 16 | 22 | 25 | 21 | 21 | 12 | 11 | 10 |
| Snow days | 7 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The largest precipitation sum in Mattuduk is at