Weather Forecast for Ilha Grande

Rio de Janeiro, Brazil

select dropwdown icon
Share
Moderate or heavy rain shower

Current Weather - Ilha Grande: 16°C

Rio de Janeiro, Brazil

Moderate or heavy rain shower

Feels like 17°C

Wind

9 km/h S

Humidity

96%

Pressure

1019 mb

UV Index

0

Visibility

7 km

Light rain shower

Light rain shower

Wednesday, September 23, 2026

High

20°C

Low

16°C

Rain Chance

93%

Hourly Forecast

Light rain shower 16°C
21:00
Patchy rain nearby 16°C
22:00
Patchy rain nearby 17°C
23:00
Sep 24

Day Statistics

Maximum Wind

23 km/h

Humidity

96%

Precipitation

38 mm

UV Index

1

Visibility

9 km

Rain Chance

93%

Snow Chance

0%

Sun & Moon

Sunrise

05:45 AM

Sunset

05:53 PM

Moonrise

03:30 PM

Moonset

03:55 AM

Moon Phase

Waxing Gibbous

Moon Illumination

95%

Air Quality

PM2.5

10

μg/m³

PM10

16

μg/m³

NO₂

1.4

μg/m³

O₃

56

μg/m³

SO₂

0.4

μg/m³

CO

102.4

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

12.12

Diffuse Radiation

10.78

DNI

0

GTI

0

When to visit Ilha Grande?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
27°C
💧
25 Days of rain
❄️
No snowfall
🌧 Wettest month,

February

☀️
28°C
💧
19 Days of rain
❄️
No snowfall
🔥 Hottest month

March

☀️
27°C
💧
22 Days of rain
❄️
No snowfall

April

☀️
26°C
💧
16 Days of rain
❄️
No snowfall

May

☀️
24°C
💧
14 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
10 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
23°C
💧
11 Days of rain
❄️
No snowfall
Best time to visit

August

☀️
23°C
💧
9 Days of rain
❄️
No snowfall
Best time to visit
🥶 Coldest month
🌵 Driest month

September

☀️
23°C
💧
15 Days of rain
❄️
No snowfall

October

☀️
24°C
💧
16 Days of rain
❄️
No snowfall

November

☀️
24°C
💧
21 Days of rain
❄️
No snowfall

December

☀️
26°C
💧
19 Days of rain
❄️
No snowfall