Middle of the drier season · Weather & things to do
Ilha Grande in July
This is the coldest month in Ilha Grande: highs average 78°F (25°C) and lows 64°F (18°C), with about 1.9 in (47 mm) of rain.
At 87/100 for comfort (2nd of 12), it's one of the best months to visit.

- Avg high
- 78°F (25°C)
- Avg low
- 64°F (18°C)
- Rain
- 1.9 in (47 mm)
- Humidity
- 78%
- Cloud cover
- 49%
- Daylight
- ~10 h 42 min
- Comfort score
- 87/100 · Great
What July feels like
Days are warm, averaging 78°F (25°C).
Lows average 64°F (18°C).
Humidity averages 78%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is moderate at about 1.9 in (47 mm) for the month.
Plan around July
July is one of Ilha Grande's best months on the climate data.
- Comfort improves from 84/100 in June to 87/100.
- Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so July falls outside its suggested window.
What to pack for July
- Light, breathable clotheshighs average 78°F
- Quick-dry fabrics78% average humidity
- Comfortable walking shoesmost picks involve some walking
What to do in Ilha Grande in July
With conditions on your side, the picks below favor time outside.
Cachoeira da Feiticeira
Waterfall about 1.5 hours' walk from Abraão, with a pool for a cool swim.
Why now July scores 87/100 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 78°F and 1.9 in of monthly rain make this an easy outdoor pick.
Lagoa Verde
Emerald cove on the west side of the island, good for snorkeling among fish.
Why now One to do outside while the weather is on your side.
Lua e Mar
Beachfront restaurant on Abraão's sand, known for moqueca and fish with green banana.
Vila do Abraão
The island's main village of sand lanes, pousadas, a white church and boat docks.
Nearby in July
- Paraty in July~35 mi · highs 80°F, 1.9 in rain · 1°C (3°F) warmer by day, about as wet
- Rio de Janeiro in July~65 mi · highs 76°F, 1.8 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 July: quick answers
Is July a good time to visit Ilha Grande?
Yes. On the climate data it's one of the best months, scoring 87/100. Expect highs of 78°F (25°C) and 1.9 in (47 mm) of rain. Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so July is outside its suggested window.
How hot is Ilha Grande in July?
Average highs are 78°F (25°C) and average lows 64°F (18°C), making it the coldest month by daytime highs.
Does it rain a lot in Ilha Grande in July?
Not much: about 1.9 in (47 mm) of rain falls across July on average, the 3rd-driest month of the year. The annual total is about 58.1 in (1475 mm).
What should I pack for Ilha Grande in July?
Bring light, breathable clothes (highs average 78°F), quick-dry fabrics (78% average humidity) and comfortable walking shoes (most picks involve some walking).
More on Ilha Grande
Planning Ilha Grande in July?
Share this July plan with your group, poll everyone on dates and keep the packing list in one place.





