Best Time to Visit Seongnam-si: Month-by-Month Guide
Best months for Seongnam-si: October, May, September, June.
- Best months for Seongnam-si: October, May, September, June.
- Peak season is August, July, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: April, May, September, October. Good weather without the busiest period.
- Wettest months: July, August, June.
- The least pleasant month is January (score 4.7).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 2°C | -8°C | 21 mm | 4 | – | – | 4.7 |
| February | 5°C | -5°C | 29 mm | 4 | – | – | 5.3 |
| March | 11°C | 0°C | 42 mm | 6 | – | – | 6.3 |
| April | 17°C | 6°C | 79 mm | 8 | – | – | 7.4 |
| May | 23°C | 12°C | 104 mm | 8 | – | – | 7.9 |
| June | 27°C | 17°C | 142 mm | 10 | – | – | 7.5 |
| July | 28°C | 22°C | 338 mm | 17 | – | – | 6.1 |
| August | 29°C | 22°C | 274 mm | 16 | – | – | 6.1 |
| September | 25°C | 16°C | 133 mm | 9 | – | – | 7.7 |
| October | 19°C | 8°C | 57 mm | 5 | – | – | 8.0 |
| November | 11°C | 1°C | 49 mm | 7 | – | – | 6.3 |
| December | 4°C | -5°C | 25 mm | 5 | – | – | 5.0 |
Frequently asked questions
When is the best time to visit Seongnam-si?
The best months are October, May, September, June.
When is the rainy season in Seongnam-si?
The wettest months are July, August, June.