Average annual temperature is 13.0 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 182 days
Number of rainy days: 168 days
Number of snow days: 15 days
Look at detailed online map of Sulmi
* Weather data for Sulmi 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) | 12.4 | 10.2 | 24.7 | 25.7 | 31.8 | 33.2 | 33.3 | 34.1 | 31.1 | 21.6 | 23.3 | 16.5 |
| Average daytime temperature (°C) | 1.6 | 6.6 | 15.3 | 18.6 | 24.3 | 27.4 | 29.6 | 30.2 | 26.2 | 18.6 | 9.9 | 4.4 |
| Average temperature (°C) | -2.5 | 1.4 | 9.1 | 12.6 | 18.6 | 22.4 | 25.6 | 26.1 | 22.1 | 13.8 | 5.3 | 0.6 |
| Average night temperature (°C) | -6.9 | -2.4 | 3.7 | 7.2 | 13.6 | 17.7 | 22.4 | 22.3 | 18.5 | 9.4 | 0.9 | -2.9 |
| Absolute minimum temperature (°C) | -18.6 | -6.7 | -4.5 | 0.6 | 6.0 | 13.8 | 19.9 | 16.6 | 11.5 | 2.7 | -8.2 | -14.4 |
| 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 | 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 | 14.4 | 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) | 7.0 | 8.3 | 9.4 | 7.7 | 9.0 | 9.7 | 7.7 | 8.7 | 7.3 | 8.2 | 7.2 | 5.9 |
| Precipitation (mm) | 44 | 2 | 27 | 98 | 136 | 240 | 532 | 364 | 202 | 32 | 96 | 88 |
| Sunny days | 19 | 23 | 22 | 14 | 20 | 9 | 6 | 7 | 8 | 21 | 16 | 17 |
| Rainy days | 5 | 4 | 9 | 16 | 11 | 21 | 25 | 24 | 22 | 10 | 12 | 9 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Sulmi is at