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October in Ilhabela brings high temperatures around 24°C (75°F) during the day, dropping to 20°C (68°F) at night, with quite a bit of rainfall expected, averaging around 141 mm (5.6 in) for the month.
If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Ilhabela - and find the best time to visit.
Browse day-by-day weather records for Ilhabela spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Ilhabela spans 2006 to 2025, revealing these weather extremes.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Ilhabela climate overview or explore weather in Brazil.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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