Can you swim in Cuba in summer? In August sea water temperature throughout Cuba warms above 20°C and it is enough for a comfortable bath. Based on average water temperature observations over the past ten years, the warmest sea in Cuba in August was 30.9°C (in Nueva Gerona), and the coldest water 29°C (in Guardalavaca). To find out the sea temperature today and in the coming days, go to Current sea temperature in Cuba
Cuba cities and resorts with the values of the average water temperature in August 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 Cuba any day over a period of the last ten years, select the month