Best Time to Visit Sejong: Month-by-Month Guide
Best months for Sejong: October, May, April, June.
- Best months for Sejong: October, May, April, 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 5.0).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | -5°C | 22 mm | 4 | – | – | 5.0 |
| February | 6°C | -3°C | 31 mm | 5 | – | – | 5.6 |
| March | 12°C | 1°C | 48 mm | 6 | – | – | 6.5 |
| April | 19°C | 7°C | 79 mm | 7 | – | – | 7.7 |
| May | 24°C | 13°C | 85 mm | 8 | – | – | 8.0 |
| June | 28°C | 18°C | 128 mm | 9 | – | – | 7.7 |
| July | 29°C | 22°C | 253 mm | 16 | – | – | 6.0 |
| August | 30°C | 22°C | 224 mm | 16 | – | – | 6.1 |
| September | 26°C | 17°C | 143 mm | 9 | – | – | 7.7 |
| October | 21°C | 10°C | 57 mm | 5 | – | – | 8.2 |
| November | 13°C | 3°C | 42 mm | 6 | – | – | 6.8 |
| December | 5°C | -3°C | 24 mm | 5 | – | – | 5.5 |
Frequently asked questions
When is the best time to visit Sejong?
The best months are October, May, April, June.
When is the rainy season in Sejong?
The wettest months are July, August, June.