End of the wetter season · Weather & things to do
Ilha Grande in March
Little changes in Ilha Grande from February: highs stay near 84°F (29°C), lows near 74°F (24°C), and about 7.0 in (177 mm) of rain falls.
Our comfort score puts it mid-table at 54/100, 8th of 12.
- Avg high
- 84°F (29°C)
- Avg low
- 74°F (24°C)
- Rain
- 7.0 in (177 mm)
- Humidity
- 84%
- Cloud cover
- 62%
- Daylight
- ~12 h 10 min
- Comfort score
- 54/100 · Fair
What March feels like
Days are warm, averaging 84°F (29°C).
Even at night it stays warm, around 74°F (24°C).
Humidity averages 84%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is a real factor, with about 7.0 in (177 mm) across the month.
Plan around March
March sits mid-table; the best months are June – August.
- Comfort improves from 51/100 in February to 54/100.
- Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so March falls outside its suggested window.
What to pack for March
- Light, breathable clotheshighs average 84°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics84% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Ilha Grande in March
With 7.0 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Casarão da Ilha
Long-established spot near the pier for drinks and food as the boats come in.
Why now A sit-down stop to wait out showers in a month with 7.0 in of rain.
Lua e Mar
Beachfront restaurant on Abraão's sand, known for moqueca and fish with green banana.
Why now Easy to slot in when March's rain moves in.
Vila do Abraão
The island's main village of sand lanes, pousadas, a white church and boat docks.
Why now An indoor-leaning stop for a month with 7.0 in of rain.
Cachoeira da Feiticeira
Waterfall about 1.5 hours' walk from Abraão, with a pool for a cool swim.
Restaurante Dom Mario
Small, popular restaurant with generous seafood plates at fair prices.
Why now Keeps part of the day dry on wetter March days.
Nearby in March
- Paraty in March~35 mi · highs 87°F, 6.6 in rain · 2°C (3°F) warmer by day, about as wet
- Rio de Janeiro in March~65 mi · highs 82°F, 6.8 in rain · 1°C (2°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~438 m to Ilha Grande's ~6 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Ilha Grande in March: quick answers
Is March a good time to visit Ilha Grande?
It's middling, scoring 54/100. The best months are June – August, at up to 89. Expect highs of 84°F (29°C) and 7.0 in (177 mm) of rain. Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so March is outside its suggested window.
How hot is Ilha Grande in March?
Average highs are 84°F (29°C) and average lows 74°F (24°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Ilha Grande in March?
Yes: about 7.0 in (177 mm) of rain falls across March on average, the 5th-wettest month of the year. The annual total is about 58.1 in (1475 mm).
What should I pack for Ilha Grande in March?
Bring light, breathable clothes (highs average 84°F), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (84% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
More on Ilha Grande
Planning Ilha Grande in March?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.