Climate almanac

São Mateus do Maranhão

Maranhão, Brazil · -4.04°, -44.48°

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What is the climate like in São Mateus do Maranhão?

The best time to visit São Mateus do Maranhão is typically June – October, with trip comfort peaking in August (8.6/10). São Mateus do Maranhão is warmest in October, when daily highs average 96°F (36°C), and coolest in July, when lows fall to about 74°F (23°C). The wettest month is typically March and the driest is August; the year sees roughly 57 in (1439 mm) of precipitation.

  • Best time to visitJune – October — comfort peaks in August (8.6/10)
  • Warmest monthOctober — average high 96°F (36°C)
  • Coolest monthJuly — average low 74°F (23°C)
  • Wettest monthMarch (14 in (353 mm))
  • Driest monthAugust (0.2 in (5 mm))
  • Annual precipitation57 in (1439 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)