Average annual temperature is 13.8 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 173 days
Number of rainy days: 181 days
Number of snow days: 11 days
Look at detailed online map of Daesan-myeon
* Weather data for Daesan-myeon 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 | 13.6 | 24.8 | 26.9 | 32.8 | 35.3 | 32.9 | 34.4 | 30.1 | 22.5 | 24.1 | 18.1 |
| Average daytime temperature (°C) | 5.2 | 8.9 | 17.6 | 19.6 | 24.0 | 28.9 | 28.8 | 30.3 | 26.7 | 19.8 | 12.6 | 7.5 |
| Average temperature (°C) | 0.1 | 2.6 | 9.9 | 13.0 | 18.3 | 22.8 | 25.0 | 26.0 | 22.2 | 14.2 | 7.4 | 3.2 |
| Average night temperature (°C) | -4.2 | -2.4 | 3.7 | 6.9 | 13.2 | 18.1 | 22.0 | 22.2 | 18.2 | 9.1 | 2.7 | -0.4 |
| Absolute minimum temperature (°C) | -12.9 | -6.5 | -5.3 | -0.6 | 3.1 | 14.4 | 18.1 | 17.1 | 12.9 | 4.2 | -4.8 | -9.4 |
| 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) | 7.1 | 7.2 | 8.9 | 7.7 | 7.9 | 9.2 | 6.8 | 9.6 | 7.6 | 8.5 | 7.6 | 5.8 |
| Precipitation (mm) | 41 | 24 | 61 | 80 | 173 | 211 | 453 | 276 | 182 | 12 | 115 | 97 |
| Sunny days | 20 | 20 | 22 | 13 | 14 | 12 | 3 | 5 | 9 | 23 | 19 | 13 |
| Rainy days | 6 | 8 | 9 | 17 | 17 | 18 | 28 | 26 | 21 | 8 | 11 | 12 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Daesan-myeon is at