Average monthly water temperature in Carolina, Puerto Rico
On this page you find the mean water temperature over the year in Carolina (North Puerto Rico), Puerto Rico. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
In Carolina, water temperatures are consistently warm throughout the year. The warmest month is August, with an average water temperature of 29°C (84°F).
The coolest month is January, with an average temperature of 26°C (79°F). This makes Carolina a year-round destination for swimming and other water-based activities.
Carolina Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carolina - and find the best time to visit.
Carolina 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Carolina climate overview or explore weather in Puerto Rico.
Popular this month
Where to go in August - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
31°C (88°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra30°C (86°F) Vieques30°C (86°F) Fajardo
30°C (86°F) 
