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Ilha Grande
Ilha Grande Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Ilha Grande year round climate
- Spring (March to May): Average 82–83°F, warm and humid climate, with the most rainfall in March; be prepared for rain. Common activities: beach activities, snorkeling, hiking. Recommended clothing: light and breathable clothing, raincoat or light rain gear.
- Summer (June to August): Average 84–86°F, hot and dry, with very little rainfall. Common activities: swimming, sunbathing, water sports. Recommended clothing: swimwear, light short sleeves, sun hat, sunscreen.
- Autumn (September to November): Average 86–86°F, hot and dry, with very little rainfall. Common activities: swimming, sunbathing, water sports, exploring the island's interior. Recommended clothing: swimwear, light short sleeves, sun hat, sunscreen.
- Winter (December to February): Average 83–86°F, warm and humid, with moderate rainfall. Common activities: beach activities, snorkeling, hiking. Recommended clothing: light and breathable clothing, raincoat or light rain gear.
Ilha Grande climatological average
Annual average temperature: approx. 85.1°F / Annual rainfall: approx. 1201 mm / Summer humidity: 70%–80% / Rainiest month: March
Ilha Grande monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
84.4°F
153.6
February
83.5°F
198.9
March
82.8°F
362.6
April
82.9°F
279.5
May
83.3°F
84.5
June
84.7°F
37.1
July
86.2°F
13.8
August
86°F
2.9
September
86.2°F
1.3
October
86.7°F
1.5
November
86.7°F
14.6
December
86.9°F
51.2
Ilha Grande weather for the next seven days
8/15
Saturday
Patchy rain nearby
91.4°F/76.1°F
8/16
Sunday
Sunny
92.6°F/77.4°F
8/17
Monday
Sunny
92.4°F/76.1°F
8/18
Tuesday
Sunny
92.1°F/75.8°F
8/19
Wednesday
Sunny
92.8°F/72.2°F
8/20
Thursday
Sunny
93.1°F/74.9°F
8/21
Friday
Sunny
91.4°F/75.6°F
