Average annual temperature is 14.3 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -12.2 °C
Number of sunny days: 178 days
Number of rainy days: 175 days
Number of snow days: 12 days
Look at detailed online map of Sunam
* Weather data for Sunam 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) | 15.7 | 12.9 | 24.0 | 26.1 | 30.5 | 36.0 | 32.2 | 34.5 | 31.1 | 23.1 | 24.7 | 18.8 |
| Average daytime temperature (°C) | 5.7 | 8.4 | 16.8 | 19.4 | 23.8 | 28.6 | 29.1 | 30.7 | 27.3 | 20.5 | 13.3 | 8.1 |
| Average temperature (°C) | 0.8 | 2.7 | 9.3 | 13.2 | 18.2 | 22.8 | 25.7 | 26.6 | 23.0 | 15.3 | 8.7 | 4.1 |
| Average night temperature (°C) | -3.6 | -1.6 | 3.6 | 7.9 | 13.5 | 18.6 | 23.2 | 23.2 | 19.6 | 10.9 | 4.4 | 0.5 |
| Absolute minimum temperature (°C) | -12.2 | -5.0 | -4.3 | 0.8 | 6.1 | 13.5 | 19.2 | 18.7 | 14.8 | 6.2 | -2.5 | -9.4 |
| 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 | 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) | 7.0 | 7.2 | 8.7 | 7.4 | 7.5 | 8.4 | 6.1 | 9.5 | 7.7 | 8.1 | 6.9 | 5.2 |
| Precipitation (mm) | 49 | 24 | 49 | 105 | 195 | 205 | 479 | 219 | 200 | 14 | 88 | 78 |
| Sunny days | 19 | 22 | 24 | 13 | 15 | 16 | 1 | 3 | 11 | 21 | 18 | 15 |
| Rainy days | 8 | 6 | 7 | 17 | 16 | 14 | 30 | 28 | 19 | 10 | 11 | 9 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Sunam during the most sunny months:
The largest precipitation sum in Sunam is at