Best time to swim in Marinha Grande in Portugal Sea temperature by month
Do you want to swim in the sea in Marinha Grande in Portugal? But when is the best time to go to be sure to have pleasant water for swimming in Marinha Grande and be able to swim without catching cold? This month, or a different one? The answer is on this page, with the sea water temperature by month in Marinha Grande, based on the average temperatures recorded in previous years.
Best time to swim in Marinha Grande: the water temperature by month
Do you feel like swimming in Marinha Grande in Portugal? Discover the average sea temperature for each month of the year (based on previous years' records) and our opinion on swimming in the table below.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 59°F (min: 58°F/max: 61°F) | cold swimming |
| February | 59°F (min: 56°F/max: 61°F) | freezing swimming |
| March | 58°F (min: 55°F/max: 61°F) | freezing swimming |
| April | 60°F (min: 58°F/max: 64°F) | cold swimming |
| May | 63°F (min: 59°F/max: 67°F) | cool swimming |
| June | 66°F (min: 62°F/max: 69°F) | cool swimming |
| July | 66°F (min: 62°F/max: 69°F) | cool swimming |
| August | 67°F (min: 61°F/max: 72°F) | cool swimming |
| September | 67°F (min: 65°F/max: 69°F) | cool swimming |
| October | 67°F (min: 64°F/max: 69°F) | cool swimming |
| November | 64°F (min: 62°F/max: 67°F) | cool swimming |
| December | 62°F (min: 59°F/max: 63°F) | cold swimming |