canIswim

Sea temperature and swimming season in Bangladesh

When the sea is warm enough to swim in 6 coastal cities in Bangladesh.

CityWarmestColdestSwimming season
Chattogram 30.1°C May 21.4°C Jan all year
Cox’s Bāzār 30.3°C May 24.5°C Feb all year
Sandwīp 30.1°C May 21.3°C Jan all year
Uttar Char Fasson 30.1°C May 20.8°C Jan all year
Teknāf 30.4°C May 25.0°C Feb all year
Natona 30.3°C May 21.3°C Jan all year

Season uses 19°C. Why that number, and where the data comes from