Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 202 days
Number of rainy days: 161 days
Number of snow days: 2 days
Look at detailed online map of Deulma
* Weather data for Deulma 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) | 17.4 | 16.8 | 24.9 | 27.6 | 34.8 | 34.8 | 35.5 | 36.6 | 30.9 | 24.6 | 28.0 | 18.7 |
| Average daytime temperature (°C) | 6.2 | 9.7 | 18.4 | 20.1 | 24.3 | 29.6 | 30.4 | 31.5 | 27.2 | 21.3 | 13.9 | 7.9 |
| Average temperature (°C) | 0.7 | 3.8 | 11.0 | 13.7 | 18.6 | 23.5 | 26.0 | 27.0 | 22.9 | 15.3 | 8.0 | 3.0 |
| Average night temperature (°C) | -3.2 | -0.7 | 5.0 | 7.9 | 13.8 | 18.6 | 22.9 | 23.6 | 19.4 | 10.6 | 3.4 | -0.5 |
| Absolute minimum temperature (°C) | -13.2 | -4.5 | -3.6 | 1.3 | 7.2 | 13.8 | 18.3 | 20.7 | 14.9 | 5.3 | -4.8 | -9.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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 | 9.0 | 8.4 | 8.2 | 9.7 | 7.3 | 9.5 | 7.7 | 8.9 | 7.9 | 6.7 |
| Precipitation (mm) | 44 | 17 | 41 | 68 | 138 | 153 | 297 | 322 | 214 | 8 | 56 | 95 |
| Sunny days | 25 | 19 | 22 | 14 | 17 | 12 | 6 | 11 | 10 | 23 | 21 | 22 |
| Rainy days | 5 | 9 | 9 | 16 | 14 | 18 | 25 | 20 | 20 | 8 | 9 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Deulma is at