Grande Porto — Water Temperature Today and Throughout the Year
Discover water temperatures in Grande Porto (Portugal), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Porto15°C
- Matosinhos15°C
- Foz do Douro15°C
- Póvoa de Varzim15°C
- Mindelo15°C
- Azurara15°C
- Labruge15°C
- Angeiras15°C
- Agudela15°C
- Granja15°C
- Lavadores15°C
- Madalena15°C
- Aguda15°C
- Leça da Palmeira15°C
- Praia de Valadares15°C
- Caxinas15°C
- Vila do Conde15°C
- Santo André15°C
- A Ver-o-Mar15°C
- Nevogilde15°C
- Marreco15°C
- Francelos15°C
- Brito15°C
- Praia da Barranha15°C
- Praia do Rio Alto15°C
- Praia da Pedra Negra15°C
- Vila Chã15°C
- Facho15°C
- Mourincheira15°C
- Agucadoura15°C
- Cabo do Mundo15°C
Coastal Seas and Oceans
Water Temperature in Lakes and Rivers
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
- Aveiro District
- Azores
- Beja District
- Braga District
- Bragança District
- Castelo Branco District
- Coimbra District
- Évora District
- Faro District
- Grande Porto
- Guarda District
- Leiria District
- Lisbon metropolitan area
- Madeira
- Portalegre District
- Santarém District
- Setúbal District
- Viana do Castelo District
- Vila Real District
- Viseu District
Water Temperature Trends
The Grande Porto region, located in the northern part of Portugal, experiences a temperate maritime climate with relatively cool ocean temperatures year-round. During the summer months of July and August, the sea temperature along the Porto coastline typically ranges from 16°C to 18°C (61°F to 64°F). While this is considered cool by Mediterranean standards, the waters remain refreshing and are ideal for those who prefer a brisk swim rather than warmer seas.
As autumn approaches, the sea temperature begins to gradually decrease, reaching around 14°C to 15°C (57°F to 59°F) by October. This cooling trend continues into the winter months, with temperatures dipping further to around 12°C to 13°C (54°F to 55°F) in December and January. These lower temperatures make the winter season less appealing for casual swimmers, although the region's coastline remains beautiful for walks and other outdoor activities.
In spring, the water starts to warm up again, reaching around 14°C to 15°C (57°F to 59°F) by April, with the temperature continuing to rise as summer approaches. While the Grande Porto region’s ocean temperatures never reach the warmth of southern Portugal, it offers a cooler coastal environment, which can be particularly refreshing during the hot summer months. Overall, the sea temperatures in this region are moderate, with noticeable seasonal fluctuations.
