Climate almanac
Barão de Grajaú
Maranhão, Brazil · -6.76°, -43.02°
What is the climate like in Barão de Grajaú?
The best time to visit Barão de Grajaú is typically May – October, with trip comfort peaking in July (9.1/10). Barão de Grajaú is warmest in September, when daily highs average 99°F (37°C), and coolest in July, when lows fall to about 73°F (23°C). The wettest month is typically January and the driest is July; the year sees roughly 32 in (820 mm) of precipitation.
- Best time to visitMay – October — comfort peaks in July (9.1/10)
- Warmest monthSeptember — average high 99°F (37°C)
- Coolest monthJuly — average low 73°F (23°C)
- Wettest monthJanuary (7.4 in (188 mm))
- Driest monthJuly (0.0 in (0 mm))
- Annual precipitation32 in (820 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromFloriano, 1 km away (1974-2002)