Maranhão — Water Temperature Today and Throughout the Year
Discover water temperatures in Maranhão (Brazil), 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 and Swimming Overview
Regions and Map
Water Temperature Trends
Maranhão, located in northeastern Brazil, is home to a diverse coastline along the Atlantic Ocean, known for its mix of tropical beaches and unique ecosystems, such as the famous Lençóis Maranhenses. The ocean waters in this region are warm year-round, thanks to its tropical climate. During the summer months (December to March), water temperatures range from 81°F to 84°F (27°C to 29°C), providing ideal conditions for swimming, relaxing, and exploring the calm beaches like those in São Luís or the more remote stretches near Barreirinhas.
Even in the cooler months (June to August), the water remains consistently warm, averaging between 79°F and 82°F (26°C to 28°C). This steady warmth makes Maranhão’s beaches a year-round destination for locals and visitors alike. Activities such as kayaking and boat tours through the mangroves are particularly popular, as the region’s waters offer a refreshing escape from the tropical heat.
The warm, nutrient-rich waters of Maranhão also support a vibrant marine ecosystem, which enhances the experience for eco-tourists and adventure seekers. The combination of warm seas, striking natural beauty, and a rich cultural backdrop makes Maranhão’s coastline a distinctive destination within Brazil’s northeast.