Average annual temperature is 14.3 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 165 days
Number of rainy days: 185 days
Number of snow days: 15 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) | 16.2 | 11.8 | 23.5 | 25.3 | 28.3 | 32.0 | 32.6 | 33.4 | 30.9 | 23.9 | 24.1 | 18.7 |
| Average daytime temperature (°C) | 5.3 | 7.1 | 14.8 | 18.3 | 22.7 | 26.4 | 28.8 | 30.3 | 26.8 | 20.3 | 13.2 | 7.9 |
| Average temperature (°C) | 1.4 | 2.5 | 8.7 | 13.0 | 17.9 | 22.0 | 25.7 | 26.7 | 23.1 | 16.1 | 9.6 | 4.6 |
| Average night temperature (°C) | -2.9 | -1.0 | 4.3 | 8.7 | 14.0 | 18.9 | 23.5 | 23.6 | 19.9 | 12.2 | 5.4 | 1.2 |
| Absolute minimum temperature (°C) | -13.0 | -5.0 | -2.6 | 3.0 | 6.5 | 15.2 | 20.9 | 18.8 | 16.0 | 8.2 | -2.1 | -9.8 |
| 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) | 6.5 | 7.3 | 8.8 | 7.6 | 7.6 | 9.2 | 6.8 | 9.7 | 8.1 | 8.1 | 6.6 | 4.8 |
| Precipitation (mm) | 39 | 13 | 26 | 93 | 148 | 146 | 606 | 172 | 176 | 19 | 83 | 121 |
| Sunny days | 17 | 23 | 24 | 15 | 12 | 15 | 1 | 5 | 8 | 21 | 13 | 11 |
| Rainy days | 8 | 5 | 7 | 15 | 19 | 15 | 30 | 26 | 22 | 10 | 15 | 13 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 |
The best time to visit Sunam during the most sunny months:
The largest precipitation sum in Sunam is at