When is the best time to visit Lençóis Maranhenses to see water in the pools?

The best time to visit Lençóis Maranhenses to see the pools filled with water is during the rainy season and shortly thereafter. The rains typically occur from January to June, with the most optimal period to see the lagoons at their fullest being between May and September. During this time, the rainfall from earlier months accumulates in the valleys between the dunes, creating picturesque freshwater lagoons. Visiting between May and September ensures both water-filled landscapes and generally favorable weather conditions, as the region transitions into the dry season with less rain and more sunshine, enhancing the overall visiting experience.