Climate almanac
Altamira do Maranhão
Maranhão, Brazil · -4.17°, -45.47°
What is the climate like in Altamira do Maranhão?
The best time to visit Altamira do Maranhão is typically June – October, with trip comfort peaking in July (8.5/10). Altamira do Maranhão is warmest in September, when daily highs average 96°F (35°C), and coolest in July, when lows fall to about 71°F (22°C). The wettest month is typically March and the driest is August; the year sees roughly 61 in (1561 mm) of precipitation.
- Best time to visitJune – October — comfort peaks in July (8.5/10)
- Warmest monthSeptember — average high 96°F (35°C)
- Coolest monthJuly — average low 71°F (22°C)
- Wettest monthMarch (14 in (348 mm))
- Driest monthAugust (0.3 in (9 mm))
- Annual precipitation61 in (1561 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)