Verdict: Good month
Seoul Weather in July
July runs warm in Seoul, with daily highs around 29°C (84°F) and nights near 22°C (72°F). It's also the wet side of the calendar: rain falls on about 20 days, so build flexibility into plans. Overall, July is a solid month to visit Seoul.
Average high
29°C / 84°F
Average low
22°C / 72°F
Rain days
~20
Precipitation
324 mm
What to pack for Seoul in July
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 20 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
July against the rest of the year
Warmest in Seoul: Jul (29°C / 84°F) · Coolest: Jan (2°C / 36°F) · Wettest: Jul (~20 rain days)
2°
-7°
Jan
6°
-4°
Feb
12°
0°
Mar
18°
7°
Apr
22°
12°
May
27°
18°
Jun
29°
22°
Jul
29°
23°
Aug
26°
18°
Sep
18°
9°
Oct
12°
2°
Nov
3°
-6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)