In December sea water temperature in some cities on the Pacific Ocean coast is above 20°C and it is enough for comfortable bathing. The warmest average water temperature North Pacific Ocean in December is 30.5°C (in Kapingamarangi, Micronesia), and the coldest sea surface temperature is 1.1°C (in Cook Inlet, AK, United States). The highest average water temperature South Pacific Ocean in December is 30.8°C (in Carteret Islands, Papua New Guinea), and the lowest ocean temperature is 7.3°C (in Strait of Magellan, Chile). To find out the sea temperature today and in the coming days, go to Current sea temperature of the Pacific Ocean
This data on the average monthly surface water temperature on the Pacific Ocean coast in December. 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.
Map shows the average water temperature in December for cities along the Pacific Ocean