Verdict: Fair month
Busan Weather in August
August runs warm in Busan, with daily highs around 30°C (86°F) and nights near 24°C (75°F). It's also the wet side of the calendar: rain falls on about 20 days, so build flexibility into plans. August is workable in Busan if your dates are fixed — just plan around the conditions.
Average high
30°C / 86°F
Average low
24°C / 75°F
Rain days
~20
Precipitation
246 mm
What to pack for Busan in August
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 20 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Busan: Aug (30°C / 86°F) · Coolest: Jan (7°C / 45°F) · Wettest: Jul (~20 rain days)
7°
-3°
Jan
9°
0°
Feb
14°
4°
Mar
18°
8°
Apr
22°
13°
May
26°
18°
Jun
28°
23°
Jul
30°
24°
Aug
26°
20°
Sep
21°
12°
Oct
15°
5°
Nov
7°
-2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)