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Monthly climate guide

Seoul weather in July

With highs near 28°C (82°F) and lows around 21°C (70°F), July feels hot in Seoul. Rainfall averages about 345 mm (very wet) and the sky is often cloudy. Daytime highs are 2°C warmer than June and about the same as August.

What stands out in July

  • Just 170 km apart, but Seoul runs about 2°C warmer than Gangneung this month.
  • Humidity near 83% makes 28°C feel stickier than it sounds.
  • Only one month is warmer in Seoul than July.
  • Rain is above Seoul's usual level, by about 251%.

It's usually the wettest month of the year.

Avg high

28°C

82°F

Avg low

21°C

70°F

Rainfall

345 mm

very wet

Humidity

83%

relative

Sky

75%

cloud · often cloudy

Seoul weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Seoul
MonthAvg highAvg lowRainHumidityCloud cover
January1°C / 33°F-7°C / 20°F17 mm76%56%
February3°C / 38°F-5°C / 23°F33 mm73%53%
March9°C / 49°F0°C / 31°F30 mm74%48%
April16°C / 60°F5°C / 41°F74 mm73%53%
May22°C / 71°F11°C / 52°F76 mm73%54%
June26°C / 79°F17°C / 62°F106 mm74%63%
July28°C / 82°F21°C / 70°F345 mm83%75%
August29°C / 84°F22°C / 72°F243 mm82%65%
September25°C / 76°F17°C / 62°F108 mm77%55%
October19°C / 66°F10°C / 49°F62 mm73%43%
November11°C / 52°F3°C / 37°F59 mm75%55%
December3°C / 37°F-5°C / 24°F26 mm76%55%

What to pack for July

  • Light, breathable clothing (cotton or linen)
  • A sun hat and high-SPF sunscreen
  • A refillable water bottle
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
  • Quick-dry fabrics — it feels stickier than the temperature suggests
Full season-by-season packing guide →

Is July a good time to visit Seoul?

Our Seoul guide recommends: April to June or September to November, avoiding the summer monsoon and winter cold.

Wear a traditional hanbok (rentable near the palaces) for free entry to Gyeongbokgung — a popular and inexpensive way to visit.

Best time to visit Seoul →

Other South Korea cities in July

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Seoul in July: quick answers

Is July a good time to visit Seoul?

July is one of the wetter months in Seoul, with about 345 mm of rain. You can still go: pack a rain jacket and keep plans flexible.

How warm is Seoul in July?

Average highs are about 28°C (82°F) and average lows about 21°C (70°F), based on 10 years of daily data.

Does it rain a lot in Seoul in July?

Seoul typically gets around 345 mm of rain in July — very wet. It's usually the wettest month of the year.

When is the best time to visit Seoul?

April to June or September to November, avoiding the summer monsoon and winter cold.

Figures are long-term averages for the area around Seoul (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.