Best time to swim in Puerto Rico Sea temperature by month
Do you want to go to the seaside in Puerto Rico? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Puerto Rico.
Swimming in Puerto Rico by month
Discover swimming conditions in detail in Puerto Rico by month below. Click on the links for each month to see details about the sea temperature in the cities of: San Juan, Mayagüez, Arecibo, Bayamón and Culebra.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 80°F to 81°F | ideal swimming |
| February | 79°F to 80°F | ideal swimming* |
| March | 79°F to 80°F | ideal swimming* |
| April | 80°F to 82°F | ideal swimming |
| May | 81°F to 83°F | ideal swimming |
| June | 83°F to 84°F | ideal swimming |
| July | 84°F to 84°F | ideal swimming |
| August | 85°F to 85°F | ideal swimming |
| September | 85°F to 86°F | ideal swimming |
| October | 85°F to 85°F | ideal swimming |
| November | 84°F to 84°F | ideal swimming |
| December | 82°F to 83°F | ideal swimming |
* in at least part of the area.
Where and when should you swim in Puerto Rico?
Other cities and places in Puerto Rico:
Water temperatures in Puerto Rico over the entire year
On this chart, we show you the variation of the average sea water temperature in Puerto Rico for the cities of: San Juan, Mayagüez, Arecibo, Bayamón and Culebra.