Seoul weather in July
Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: April – June, September – October
What is the weather like in Seoul in July?
In July, Seoul is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. Expect around 4 hours of sunshine a day. It rains often – on about 15 days, adding up to 298 mm. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Seoul.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 32 min05:22 – 19:54
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Seoul
How the score comes together
- Temperatureweight 50 %98 %
- Sunshineweight 20 %17 %
- Few rainy daysweight 30 %19 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Seoul in July: quick answers
Is Seoul hot in July?
Yes. In July, Seoul is hot: daytime highs average 27 °C and nights stay around 22 °C. On about 3 days the thermometer climbs to 30 °C or more.
Does it rain much in Seoul in July?
It rains often – on about 15 days, adding up to 298 mm.
Seoul month by month
The whole year in SeoulAll destinations: South KoreaWhere to go in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences