Climate almanac
Viana
Maranhão, Brazil · -3.22°, -45.00°
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)