Climate almanac

Viana

Maranhão, Brazil · -3.22°, -45.00°

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What is the climate like in Viana?

The best time to visit Viana is typically June – November, with trip comfort peaking in August (8.2/10). Viana is warmest in October, when daily highs average 94°F (34°C), and coolest in July, when lows fall to about 75°F (24°C). The wettest month is typically March and the driest is September; the year sees roughly 69 in (1754 mm) of precipitation.

  • Best time to visitJune – November — comfort peaks in August (8.2/10)
  • Warmest monthOctober — average high 94°F (34°C)
  • Coolest monthJuly — average low 75°F (24°C)
  • Wettest monthMarch (16 in (410 mm))
  • Driest monthSeptember (0.5 in (12 mm))
  • Annual precipitation69 in (1754 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)