Seoul in July
In July, Seoul averages 29°C (84°F) during the day and 22°C (72°F) at night, with frequent rain — about 16 days of the month see precipitation (395 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
July offers comfortable temperatures in Seoul, with some rain to plan around.
How July compares to the rest of the year in Seoul
July is one of the warmest months in Seoul (2nd of 12) and one of the wettest months (1st of 12). Daytime temperature runs 12°C above the annual average (17°C). July runs 2°C warmer than June (27°C) and warms a further 1°C into August (30°C).
July sunrise & sunset in Seoul
Times shown for Seoul local time (Asia/Seoul), calculated for the 15th of July. They shift by a few minutes day to day across the month.
Photography light in Seoul — July
Golden-hour and blue-hour windows for the 15th of July, in Seoul's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Seoul in July
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on July's tier (High season) and Seoul's popularity.
Crowds & pricing — July in Seoul
This is a busy month in Seoul — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Northern Hemisphere summer holidays
Sun & mosquito risk — July in Seoul
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Seoul in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 2°C / 36°F | -6°C / 21°F | 20 mm | 7 | 3 |
| February | 4°C / 39°F | -3°C / 27°F | 25 mm | 7 | 2 |
| March | 10°C / 50°F | 1°C / 34°F | 45 mm | 8 | — |
| April | 17°C / 63°F | 7°C / 45°F | 75 mm | 9 | — |
| May | 23°C / 73°F | 13°C / 55°F | 105 mm | 10 | — |
| June | 27°C / 81°F | 18°C / 64°F | 130 mm | 11 | — |
| July | 29°C / 84°F | 22°C / 72°F | 395 mm | 16 | — |
| August | 30°C / 86°F | 22°C / 72°F | 365 mm | 14 | — |
| September | 26°C / 79°F | 17°C / 63°F | 170 mm | 9 | — |
| October | 19°C / 66°F | 10°C / 50°F | 55 mm | 6 | — |
| November | 11°C / 52°F | 3°C / 37°F | 55 mm | 8 | 1 |
| December | 4°C / 39°F | -3°C / 27°F | 20 mm | 7 | 3 |
Other cities with similar July weather
🌍 See the full ranked list of climate twins for Seoul in July →
Frequently asked questions
How hot is Seoul in July?
In July, Seoul averages a high of 29°C (84°F) and a low of 22°C (72°F) — generally warm.
Does it rain a lot in Seoul in July?
July is quite rainy in Seoul, with about 16 rainy days on average.
Is July a good time to visit Seoul?
July is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Seoul in July?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full July packing list for Seoul for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.