Beach
Jeongja Beach
South Korea · sea 25.5 °C at its warmest, in August

Sea temperature month by month
Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020, sampled 17 km offshore, at the nearest open water cell of a 0.25° grid.
About
정자해수욕장은 울산광역시 북구 산하동에 위치한 해수욕장이다. 울산광역시의 대표적인 몽돌해변으로 몽돌로 해변이 이루어져있다. 해수욕장 인근에 어항인 정자항이 위치해있다.
Questions
How warm is the sea at Jeongja Beach?
The sea off Jeongja Beach averages 25.5 °C at its warmest, in August, and 13.3 °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 Jeongja Beach?
The sea reaches 20 °C or more from July to October. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.
Where is Jeongja Beach?
Jeongja Beach is on the coast of South Korea, at 35.6289, 129.4419. The map on this site flies straight to it.