Best time to visit Busan
The best months to visit Busan are October, May and June, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
October, May and June score best for Busan weather:
- May23° / 14°CMay is warm before peak beach season, good for Gamcheon, Gwangalli, and markets.
- June26° / 19°CJune turns humid and wetter, so keep indoor food markets and Centum City time ready.
- October22° / 12°COctober is comfortable and tied to film-festival season, excellent for Nampo and Haeundae nights.
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By TripSapien Research · Updated May 20, 2026
Busan weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 7° | -3° | 35 | 5 | 10h | 11° |
| February | 10° | -1° | 50 | 6 | 11h | 10° |
| March | 14° | 4° | 90 | 8 | 12h | 11° |
| April | 19° | 9° | 140 | 9 | 13h | 13° |
| MayBest weather | 23° | 14° | 155 | 9 | 14h | 16° |
| JuneBest weather | 26° | 19° | 190 | 10 | 14h | 19° |
| July | 29° | 23° | 325 | 14 | 14h | 25° |
| August | 30° | 24° | 265 | 12 | 13h | 28° |
| September | 27° | 19° | 160 | 9 | 12h | 26° |
| OctoberBest weather | 22° | 12° | 80 | 5 | 11h | 24° |
| November | 16° | 5° | 50 | 6 | 10h | 18° |
| December | 10° | -1° | 35 | 5 | 10h | 14° |
Temperatures in °C. Long-term monthly averages.
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Busan month by month
January
Busan in January: 7.4°C high, -2.6°C low, 35mm rain over 5 days, 9.9h daylight. Mild and dry — shoulder-season sweet spot.
February
Busan in February: 9.6°C high, -0.7°C low, 50mm rain over 6 days, 10.7h daylight. Mild and dry — shoulder-season sweet spot.
March
Busan in March: 13.7°C high, 3.6°C low, 90mm rain over 8 days, 11.7h daylight. Mild and dry — shoulder-season sweet spot.
April
Busan in April: 18.8°C high, 8.8°C low, 140mm rain over 9 days, 12.9h daylight. Mild but rainy — flexible plans pay off.
MayBest weather
Busan in May: 23.3°C high, 13.9°C low, 155mm rain over 9 days, 13.8h daylight. Mild but rainy — flexible plans pay off.
JuneBest weather
Busan in June: 26.1°C high, 18.6°C low, 190mm rain over 10 days, 14.4h daylight. Mild but rainy — flexible plans pay off.
July
Busan in July: 28.8°C high, 22.8°C low, 325mm rain over 14 days, 14.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
August
Busan in August: 30.4°C high, 23.5°C low, 265mm rain over 12 days, 13.3h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
Busan International Rock Festival
September
Busan in September: 26.8°C high, 18.6°C low, 160mm rain over 9 days, 12.2h daylight. Mild but rainy — flexible plans pay off.
OctoberBest weather
Busan in October: 22.3°C high, 11.9°C low, 80mm rain over 5 days, 11.1h daylight. Mild and dry — shoulder-season sweet spot.
November
Busan in November: 15.9°C high, 5.3°C low, 50mm rain over 6 days, 10.1h daylight. Mild and dry — shoulder-season sweet spot.
December
Busan in December: 9.5°C high, -0.9°C low, 35mm rain over 5 days, 9.6h daylight. Mild and dry — shoulder-season sweet spot.
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