Ilha Grande

What is the climate like in Ilha Grande?

The best time to visit Ilha Grande is typically June – November, with trip comfort peaking in August (8.9/10). Ilha Grande is warmest in July, when daily highs average 85°F (30°C), and coolest in August, when lows fall to about 78°F (26°C). The wettest month is typically March and the driest is September; the year sees roughly 62 in (1562 mm) of precipitation.

• Best time to visitJune – November — comfort peaks in August (8.9/10)
• Warmest monthJuly — average high 85°F (30°C)
• Coolest monthAugust — average low 78°F (26°C)
• Wettest monthMarch (16 in (413 mm))
• Driest monthSeptember (0.1 in (3 mm))
• Annual precipitation62 in (1562 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromParnaiba (aeroporto, 10 km away (1973-1983)