Climate almanac

Formosa da Serra Negra

Maranhão, Brazil · -6.44°, -46.19°

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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)