Best Time to Visit Sunch'on
Best time: May, Jun, Oct, Apr.
Aug is warmest (28.1°C high); Jul is rainiest (280 mm).
Sunch'on weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -1.3 | -13.4 | 19 | 3.5 |
| Feb | 2.4 | -9.6 | 18 | 4.9 |
| Mar | 8.6 | -3.2 | 28 | 6.5 |
| Apr | 16.9 | 3.5 | 56 | 7.8 |
| May | 22.5 | 9.7 | 73 | 9 |
| Jun | 26.3 | 15.6 | 113 | 8.6 |
| Jul | 27.7 | 19.7 | 280 | 7 |
| Aug | 28.1 | 19.3 | 239 | 7.2 |
| Sep | 24.1 | 12.4 | 124 | 6.8 |
| Oct | 17.7 | 4.7 | 45 | 5.5 |
| Nov | 8.7 | -2.1 | 39 | 3.7 |
| Dec | 1.1 | -9.4 | 19 | 3 |
Average high temperature
Best months by activity
Overall: MayJunOctApr
Beaches: FebMar
Hiking: OctAprMayMar
Sightseeing: MayOctAprJun
Sunch'on quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (Jun, Jul, Aug, Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Sunch'on?
May, Jun, Oct, Apr.
What is the rainiest month?
Jul, about 280 mm.
What is the warmest month?
Aug, with average highs of 28.1°C.
Where to stay
See Sunch'on hotels · Book Sunch'on tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.