Climate almanac
Formosa da Serra Negra
Maranhão, Brazil · -6.44°, -46.19°
What is the climate like in Formosa da Serra Negra?
The best time to visit Formosa da Serra Negra is typically May – September, with trip comfort peaking in July (9.2/10). Formosa da Serra Negra is warmest in September, when daily highs average 96°F (36°C), and coolest in July, when lows fall to about 69°F (21°C). The wettest month is typically January and the driest is August; the year sees roughly 46 in (1180 mm) of precipitation.
- Best time to visitMay – September — comfort peaks in July (9.2/10)
- Warmest monthSeptember — average high 96°F (36°C)
- Coolest monthJuly — average low 69°F (21°C)
- Wettest monthJanuary (9.8 in (250 mm))
- Driest monthAugust (0.1 in (2 mm))
- Annual precipitation46 in (1180 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)