Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -18.2 °C
Number of sunny days: 182 days
Number of rainy days: 166 days
Number of snow days: 17 days
Look at detailed online map of Geumsil
* Weather data for Geumsil 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) | 11.4 | 11.1 | 23.6 | 24.0 | 30.4 | 31.5 | 32.2 | 33.1 | 29.1 | 20.9 | 22.6 | 16.2 |
| Average daytime temperature (°C) | 1.0 | 6.4 | 14.6 | 17.4 | 22.9 | 26.5 | 28.6 | 29.5 | 25.2 | 18.0 | 9.5 | 3.6 |
| Average temperature (°C) | -3.7 | 0.3 | 7.5 | 11.3 | 17.0 | 21.3 | 24.5 | 25.1 | 20.9 | 12.4 | 4.4 | -0.7 |
| Average night temperature (°C) | -8.3 | -4.2 | 0.9 | 5.5 | 11.2 | 16.6 | 21.3 | 21.5 | 17.4 | 7.6 | -0.3 | -4.4 |
| Absolute minimum temperature (°C) | -18.2 | -8.3 | -5.7 | -1.5 | 2.3 | 12.0 | 18.1 | 15.0 | 10.8 | 1.6 | -8.9 | -14.7 |
| 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 | 9.7 |
| 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) | 7.0 | 7.8 | 9.3 | 8.0 | 9.0 | 9.9 | 7.6 | 9.2 | 7.3 | 8.2 | 7.4 | 5.9 |
| Precipitation (mm) | 33 | 3 | 24 | 90 | 137 | 257 | 618 | 362 | 228 | 18 | 63 | 102 |
| Sunny days | 18 | 23 | 21 | 14 | 18 | 8 | 6 | 10 | 10 | 21 | 16 | 17 |
| Rainy days | 5 | 3 | 10 | 16 | 13 | 22 | 25 | 21 | 20 | 10 | 12 | 9 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Geumsil is at