Best Time to Visit Seoul
Best time: Oct, May, Apr, Jun.
Aug is warmest (29.1°C high); Jul is rainiest (328 mm).
Seoul weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 1.3 | -6.9 | 23 | 3.4 |
| Feb | 3.9 | -4.6 | 27 | 4.7 |
| Mar | 9.6 | 0.3 | 47 | 6.2 |
| Apr | 17.4 | 6.5 | 79 | 7.8 |
| May | 22.4 | 12.1 | 98 | 8.7 |
| Jun | 26.2 | 17.3 | 137 | 8.1 |
| Jul | 28.4 | 21.3 | 328 | 6.5 |
| Aug | 29.1 | 21.6 | 323 | 6.8 |
| Sep | 25.2 | 16 | 150 | 6.5 |
| Oct | 19.1 | 8.8 | 53 | 5.6 |
| Nov | 11 | 2.1 | 53 | 3.8 |
| Dec | 3.9 | -4.1 | 26 | 3.1 |
Average high temperature
Best months by activity
Overall: OctMayAprJun
Beaches: Jun
Hiking: OctAprMarMay
Sightseeing: OctMayAprJun
Seoul quick facts
- Timezone
- Asia/Seoul
- Currency
- Won (KRW)
- Language
- Korean
- Plug / voltage
- C & F · 220 V
- Dialing code
- +82
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (May, Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Seoul?
Oct, May, Apr, Jun.
What is the rainiest month?
Jul, about 328 mm.
What is the warmest month?
Aug, with average highs of 29.1°C.
Where to stay
Book Seoul hotels · Seoul tours & activities
All destinations · Best time to visit Yeoju · Best time to visit Yangsan · Best time to visit Yangju · Best time to visit Wonju
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.