Ilha de São Sebastião

Island · Sao Paulo, 🇧🇷 Brazil

Area 335 km²

Time zone America/Sao_Paulo

Ilha de São Sebastião

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Ilha de São Sebastião — Map

Ilha de São Sebastião — Map

Climate & when to visit

Best time to visit: June, July, August

Select a month

Typical weather in January

Good

24° (feels like 25°) · extremes 19°–27°
22° at night
17 rainy days
8 sunny days
6 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 11 · extreme

Typical weather in February

Good

25° (feels like 26°) · extremes 19°–28°
22° at night
14 rainy days
10 sunny days
7 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 11 · extreme

Typical weather in March

Good

24° (feels like 25°) · extremes 19°–27°
21° at night
16 rainy days
12 sunny days
7 hours of sunshine per day
Muggy, humid air
Light breeze
26°C · warm for swimming
UV index 9 · very high

Typical weather in April

Good

23° · extremes 17°–26°
20° at night
14 rainy days
12 sunny days
7 hours of sunshine per day
Humid air
Light breeze
25°C · warm for swimming
UV index 8 · very high

Typical weather in May

Good

21° (feels like 20°) · extremes 15°–25°
18° at night
13 rainy days
13 sunny days
6 hours of sunshine per day
Comfortable humidity
Light breeze
23°C · cool for a dip
UV index 6 · high

Typical weather in June

Great

20° (feels like 19°) · extremes 14°–24°
17° at night
11 rainy days
14 sunny days
6 hours of sunshine per day
Comfortable humidity
Light breeze
22°C · cool for a dip
UV index 5 · moderate

Typical weather in July

Great

19° (feels like 18°) · extremes 13°–24°
16° at night
10 rainy days
17 sunny days
7 hours of sunshine per day
Comfortable humidity
Light breeze
21°C · cool for a dip
UV index 5 · moderate

Typical weather in August

Great

19° (feels like 18°) · extremes 13°–24°
16° at night
10 rainy days
15 sunny days
7 hours of sunshine per day
Comfortable humidity
Light breeze
21°C · cool for a dip
UV index 6 · high

Typical weather in September

Good

20° (feels like 18°) · extremes 14°–25°
17° at night
14 rainy days
10 sunny days
6 hours of sunshine per day
Comfortable humidity
Light breeze
21°C · cool for a dip
UV index 7 · high

Typical weather in October

Good

21° (feels like 20°) · extremes 15°–24°
18° at night
17 rainy days
8 sunny days
5 hours of sunshine per day
Humid air
Light breeze
22°C · cool for a dip
UV index 8 · very high

Typical weather in November

Good

21° · extremes 16°–25°
19° at night
16 rainy days
7 sunny days
6 hours of sunshine per day
Humid air
Light breeze
22°C · cool for a dip
UV index 9 · very high

Typical weather in December

Good

23° · extremes 18°–27°
20° at night
16 rainy days
7 sunny days
6 hours of sunshine per day
Muggy, humid air
Light breeze
24°C · cool for a dip
UV index 10 · very high

Climate data: NASA POWER + Copernicus ERA5-Land and ERA5 · 1996–2025

Practical information

Currency: Brazilian Real BRL · Card payments · Widely accepted
Emergency numbers: 188
Electricity: Type C / Type N
127 V · 60 Hz

Languages: Portuguese
Tap water: Drink with caution
Driving side: Right
Calling code: +55

Tours & Activities

Related destinations

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Data: © OpenStreetMap contributors, Wikidata, Wikipedia, Tripomatic, Official websites.