Start of the drier season · Weather & things to do
Ilha Grande in April
Ilha Grande edges cooler than March, with highs of 82°F (28°C), lows of 72°F (22°C) and about 4.0 in (101 mm) of rain.
Our comfort score puts it mid-table at 70/100, 6th of 12.

- Avg high
- 82°F (28°C)
- Avg low
- 72°F (22°C)
- Rain
- 4.0 in (101 mm)
- Humidity
- 84%
- Cloud cover
- 55%
- Daylight
- ~11 h 28 min
- Comfort score
- 70/100 · Good
What April feels like
Highs settle around 82°F (28°C), warm enough for short sleeves.
Nights stay warm too, with lows averaging 72°F (22°C).
With 84% average humidity, it feels muggy.
Showers are part of the month, adding up to about 4.0 in (101 mm).
Plan around April
April sits mid-table; the best months are June – August.
- Comfort improves from 54/100 in March to 70/100.
- April sits inside the Apr – Jun, Sep – Nov window our Rio, Ilha Grande & Paraty route recommends.
What to pack for April
- Light, breathable clothes82°F afternoons
- Quick-dry fabrics84% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Ilha Grande in April
April is good outdoor weather here, so these picks lean toward the open air.
Lagoa Azul
Shallow lagoon between islets with clear water for snorkeling, usually on a boat tour.
Why now April scores 70/100 for comfort, good conditions for being outside.
Pico do Papagaio
982 m peak shaped like a parrot's beak, with a steep forest trail and wide views.
Why now Highs near 82°F and 4.0 in of monthly rain make this an easy outdoor pick.
Lopes Mendes
Long white-sand beach on the ocean side, reached by trail or boat plus a short walk.
Why now One to do outside while the weather is on your side.
Lazareto Ruins & Aqueduct
Ruins of a 19th-century quarantine station and a stone aqueduct on a short trail from Abraão.
Casarão da Ilha
Long-established spot near the pier for drinks and food as the boats come in.
Nearby in April
- Paraty in April~35 mi · highs 85°F, 3.6 in rain · 1°C (3°F) warmer by day, about as wet
- Rio de Janeiro in April~65 mi · highs 80°F, 4.0 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 April: quick answers
Is April a good time to visit Ilha Grande?
It's middling, scoring 70/100. The best months are June – August, at up to 89. Expect highs of 82°F (28°C) and 4.0 in (101 mm) of rain. April is inside the Apr – Jun, Sep – Nov window our Rio, Ilha Grande & Paraty route recommends.
How hot is Ilha Grande in April?
Average highs are 82°F (28°C) and average lows 72°F (22°C), making it the 6th-coldest month by daytime highs.
Does it rain a lot in Ilha Grande in April?
Some: about 4.0 in (101 mm) of rain falls across April on average, the 6th-driest month of the year. The annual total is about 58.1 in (1475 mm).
What should I pack for Ilha Grande in April?
Bring light, breathable clothes (82°F afternoons), quick-dry fabrics (84% average humidity), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Ilha Grande
Routes in season in April
- Rio, Ilha Grande & Paraty Apr – Jun, Sep – Nov
Planning Ilha Grande in April?
Share this April plan with your group, poll everyone on dates and keep the packing list in one place.





