In January sea water temperature all along the Bay of Bengal coast warms above 20°C and it is enough for a comfortable bathing. The warmest average water temperature Bay of Bengal in January is 27.7°C (in Hambantota, Sri Lanka), and the coldest sea surface temperature is 21.5°C (in Chittagong, Bangladesh). To find out the sea temperature today and in the coming days, go to Current sea temperature of the Bay of Bengal
This data on the average monthly surface water temperature on the Bay of Bengal coast in January. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.