Average annual temperature is 13.7 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 176 days
Number of rainy days: 186 days
Number of snow days: 3 days
Look at detailed online map of Guman
* Weather data for Guman 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) | 15.2 | 13.9 | 23.2 | 26.8 | 28.7 | 31.6 | 32.4 | 34.8 | 31.2 | 23.0 | 26.0 | 17.8 |
| Average daytime temperature (°C) | 5.5 | 9.1 | 16.5 | 18.1 | 21.8 | 26.8 | 28.2 | 30.5 | 26.8 | 20.4 | 13.0 | 7.8 |
| Average temperature (°C) | 0.5 | 3.0 | 9.6 | 12.5 | 17.1 | 21.7 | 24.7 | 26.0 | 22.5 | 15.0 | 8.1 | 3.6 |
| Average night temperature (°C) | -3.4 | -1.4 | 4.0 | 7.4 | 12.9 | 17.9 | 22.1 | 22.5 | 19.0 | 10.4 | 3.8 | 0.2 |
| Absolute minimum temperature (°C) | -13.0 | -5.6 | -2.7 | 1.5 | 5.2 | 13.7 | 17.2 | 18.8 | 14.2 | 6.4 | -4.0 | -8.2 |
| 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 | 14.2 | 13.4 | 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) | 7.5 | 7.3 | 8.6 | 7.3 | 7.5 | 8.8 | 6.0 | 9.9 | 7.8 | 8.6 | 7.9 | 6.2 |
| Precipitation (mm) | 57 | 29 | 52 | 185 | 221 | 197 | 465 | 314 | 203 | 9 | 96 | 75 |
| Sunny days | 26 | 20 | 22 | 13 | 10 | 10 | 3 | 3 | 7 | 23 | 21 | 18 |
| Rainy days | 5 | 8 | 9 | 17 | 21 | 20 | 28 | 28 | 23 | 8 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Guman during the most sunny months:
The largest precipitation sum in Guman is at