Average annual temperature is 11.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 189 days
Number of rainy days: 164 days
Number of snow days: 12 days
Look at detailed online map of Geomsil
* Weather data for Geomsil 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) | 11.3 | 10.9 | 22.9 | 25.6 | 29.6 | 34.8 | 33.6 | 33.8 | 30.1 | 21.7 | 23.0 | 15.3 |
| Average daytime temperature (°C) | 1.4 | 6.1 | 14.4 | 17.5 | 23.1 | 27.1 | 29.5 | 29.6 | 25.8 | 18.3 | 9.2 | 3.5 |
| Average temperature (°C) | -3.3 | 0.3 | 7.3 | 11.4 | 17.0 | 21.7 | 25.0 | 25.2 | 21.2 | 12.8 | 4.3 | -0.7 |
| Average night temperature (°C) | -7.7 | -3.6 | 1.1 | 6.1 | 11.5 | 17.0 | 21.6 | 21.6 | 17.6 | 8.3 | 0.2 | -4.3 |
| Absolute minimum temperature (°C) | -19.0 | -6.7 | -4.9 | 0.0 | 3.7 | 13.0 | 17.6 | 17.0 | 11.9 | 4.1 | -8.3 | -15.3 |
| 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 | 14.0 | 13.0 | 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 | 8.3 | 9.1 | 7.4 | 9.1 | 9.5 | 7.8 | 8.0 | 7.2 | 7.8 | 6.9 | 6.1 |
| Precipitation (mm) | 33 | 1 | 20 | 103 | 130 | 192 | 363 | 360 | 140 | 18 | 93 | 80 |
| Sunny days | 20 | 23 | 23 | 15 | 21 | 12 | 6 | 6 | 8 | 20 | 15 | 20 |
| Rainy days | 5 | 2 | 8 | 15 | 10 | 18 | 25 | 25 | 22 | 11 | 13 | 10 |
| Snow days | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The largest precipitation sum in Geomsil is at