Average annual temperature is 14.2 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 158 days
Number of rainy days: 189 days
Number of snow days: 18 days
Look at detailed online map of Gwiam
* Weather data for Gwiam 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) | 15.6 | 13.0 | 22.9 | 24.9 | 30.5 | 34.4 | 32.7 | 34.1 | 31.2 | 22.5 | 24.7 | 18.5 |
| Average daytime temperature (°C) | 4.4 | 7.5 | 15.8 | 18.6 | 23.3 | 27.5 | 29.3 | 30.3 | 26.7 | 20.1 | 12.6 | 7.1 |
| Average temperature (°C) | 0.3 | 2.3 | 9.4 | 13.2 | 18.4 | 22.3 | 25.9 | 26.4 | 22.8 | 15.8 | 8.6 | 4.0 |
| Average night temperature (°C) | -4.1 | -1.6 | 4.7 | 8.8 | 14.5 | 18.6 | 23.4 | 23.3 | 19.5 | 12.0 | 4.6 | 1.0 |
| Absolute minimum temperature (°C) | -16.1 | -5.6 | -3.1 | 1.6 | 6.3 | 14.1 | 20.5 | 16.4 | 14.3 | 7.1 | -3.5 | -10.5 |
| 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) | 7.2 | 7.3 | 8.9 | 7.5 | 8.0 | 9.0 | 6.6 | 9.7 | 7.7 | 8.6 | 6.6 | 5.3 |
| Precipitation (mm) | 35 | 13 | 37 | 77 | 137 | 137 | 475 | 258 | 182 | 17 | 100 | 118 |
| Sunny days | 19 | 19 | 23 | 12 | 13 | 13 | 0 | 5 | 9 | 20 | 13 | 12 |
| Rainy days | 5 | 8 | 8 | 18 | 18 | 17 | 31 | 26 | 21 | 11 | 15 | 11 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The best time to visit Gwiam during the most sunny months:
The largest precipitation sum in Gwiam is at