The 5 most beautiful lakes in Canada
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Average monthly water temperature in Rio Grande, Puerto Rico
On this page you find the mean water temperature over the year in Rio Grande (), Puerto Rico. Discover when the water is at its warmest and coolest, perfect for planning your visit.
Data from: San Juan, Puerto Rico (18 KM, 11 Miles).
In Rio Grande, water remains inviting throughout the year. The warmest month is August, with an average water temperature of 29°C (84°F).
The coolest temperature, January, still averages a pleasant 26°C (79°F). This means you will have a consistently enjoyable environment for water activities and recreation.
Rio Grande Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Grande - and find the best time to visit.
Rio Grande 3-Day Forecast
More climate data for Rio Grande
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rio Grande climate overview or explore weather in Puerto Rico.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Juan
31°C (88°F) Fajardo30°C (86°F) Luquillo30°C (86°F) Aguada
30°C (86°F) Rincon
30°C (86°F) Rio Grande31°C (88°F) Culebra30°C (86°F) Vieques30°C (86°F) Bucket list
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The 5 most beautiful lakes in Canada
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