Viana do Castelo District — Water Temperature Today and Throughout the Year
Discover water temperatures in Viana do Castelo District (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
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 Viana do Castelo District, located in the northern part of Portugal along the Atlantic Ocean, experiences cooler sea temperatures compared to the southern regions of the country. During the summer months, particularly in July and August, the sea temperature along the coast typically ranges from 16°C to 18°C (61°F to 64°F). While this is on the cooler side for beachgoers, it provides a refreshing swimming experience, especially for those who prefer less warm waters.
As the seasons change, the sea temperature gradually decreases. By October, the water temperature in the Viana do Castelo region usually drops to around 15°C (59°F), and it continues to cool during the winter months. From December to February, the water temperature averages between 13°C and 14°C (55°F to 57°F), which may be considered too chilly for most swimmers but can still be ideal for activities like surfing or enjoying the coastline on foot.
In the spring, the sea temperature begins to rise again, reaching around 14°C to 15°C (57°F to 59°F) by April. As the warmer summer months approach, the temperature slowly climbs, bringing the region into a more favorable swimming season. Overall, the Viana do Castelo District offers a cool to moderate ocean climate, with sea temperatures that are ideal for those seeking a more refreshing coastal experience.