Beach
Jumunjin Beach
Gangwon Province, South Korea · sea 24.2 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.
About
주문진해수욕장(注文津 海水浴場), 또는 주문진 해변(注文津 海邊, Jumunjin Beach)은 강원특별자치도 강릉시 주문진읍 주문리와 향호리에 걸쳐 있는 해변이다. 향호해변에는 낡은 버스 정거장이 있는데, 이 곳에서 2017년 발매된 방탄소년단의 YOU NEVER WALK ALONE 앨범 재킷을 촬영했다.
Questions
How warm is the sea at Jumunjin Beach?
The sea off Jumunjin Beach averages 24.2 °C at its warmest, in August, and 9 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.
When can you swim at Jumunjin Beach?
The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Jumunjin Beach?
Jumunjin Beach is on the coast of Gangwon Province, South Korea, at 37.9100, 128.8203. The map on this site flies straight to it.