Can you swim in Spencer Gulf in winter? In December sea water temperature in some cities of Spencer Gulf is above 20°C and it is enough for comfortable bathing. Based on average water temperature observations over the past ten years, the warmest sea in Spencer Gulf in December was 22.3°C (in Port Germein), and the coldest water 18.7°C (in Port Lincoln). To find out the sea temperature today and in the coming days, go to Current sea temperature in Spencer Gulf
Spencer Gulf cities and resorts with the values of the average water temperature in December in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.
To find out what the water temperature was in Spencer Gulf any day over a period of the last ten years, select the month