Ilha Grande Weather in March
During March, Ilha Grande experiences high daytime temperatures of 28°C (82°F) and cooler nights around 24°C (75°F). March sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Ilha Grande in March
As part of the rainy season, Ilha Grande sees around 15 days of rain in March, with an average of 187 mm (7.4 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Ilha Grande in March
Daytime temperatures in Ilha Grande reach 28°C (82°F) in March, dropping to 24°C (75°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.For Ilha Grande itself, May, June, July and August generally stand out with 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Ilha Grande's climate page.
Ilha Grande Temperature in March
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
51%
Precipitation
187 mm (7.4 in)
Rainy days
15 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Ilha Grande typically stay consistent throughout March, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in March
Historical weather for Ilha Grande in March
Browse day-by-day weather records for Ilha Grande spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ilha Grande historical weather extremes in March
Based on 21 years of weather observations in Ilha Grande between 2005 and 2026, these are the recorded extremes.
- The warmest day in March was on March 21, 2024, with a maximum of 39°C (102°F).
- The coldest March day was on March 3, 2005, with a maximum of 19°C (66°F).
- The lowest overnight temperature recorded in March was 11°C (52°F) (March 28, 2024).
Best Places in Brazil in March
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in March →
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What to Wear in Ilha Grande in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Ilha Grande in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Ilha Grande's climate page.
See the full Ilha Grande climate overview or explore weather in Brazil.
