Average water temperature in San Juan

The mean water temperature over the year in San Juan (North Puerto Rico), Puerto Rico.

On average, August has the warmest water temperature with 29°C.
On average, March has the coldest water temperature with 26°C.

Forecast for San Juan

Sun Nov 17

29°C | 26°C

14 km/h

5.8 mm

overcast and rain

hourly forecast

Mon Nov 18

29°C | 26°C

18 km/h

2.9 mm

partly cloudy and chance of rain

hourly forecast

Tue Nov 19

30°C | 24°C

14 km/h

broken clouds and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in San Juan.

Our site offers climate and forecast data for every country in the world. Are you going to Puerto Rico? On this website you can find historical weather averages for many cities in Puerto Rico. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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