Best Time to Visit Ulsan: Month-by-Month Guide
Best months for Ulsan: October, May.
- Best months for Ulsan: October, May.
- Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: April, May, June, October, November. Good weather without the busiest period.
- Wettest months: August, July, September.
- The least pleasant month is January (score 5.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | -2°C | 32 mm | 5 | – | – | 5.8 |
| February | 9°C | 0°C | 39 mm | 5 | – | – | 6.1 |
| March | 13°C | 4°C | 71 mm | 8 | – | – | 6.7 |
| April | 19°C | 9°C | 92 mm | 8 | – | – | 7.4 |
| May | 23°C | 14°C | 99 mm | 8 | – | – | 8.0 |
| June | 25°C | 18°C | 147 mm | 9 | – | – | 7.5 |
| July | 28°C | 23°C | 213 mm | 13 | – | – | 6.7 |
| August | 29°C | 24°C | 214 mm | 14 | – | – | 6.5 |
| September | 26°C | 19°C | 172 mm | 11 | – | – | 7.2 |
| October | 21°C | 13°C | 74 mm | 5 | – | – | 8.3 |
| November | 15°C | 6°C | 46 mm | 5 | – | – | 7.4 |
| December | 9°C | 0°C | 27 mm | 3 | – | – | 6.4 |
Frequently asked questions
When is the best time to visit Ulsan?
The best months are October, May.
When is the rainy season in Ulsan?
The wettest months are August, July, September.