Weather Forecast for Ilha Grande

Rio de Janeiro, Brazil

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Patchy rain nearby

Current Weather - Ilha Grande: 26°C

Rio de Janeiro, Brazil

Patchy rain nearby

Feels like 30°C

Wind

4 km/h W

Humidity

74%

Pressure

1011 mb

UV Index

2

Visibility

10 km

Moderate rain

Moderate rain

Thursday, April 09, 2026

High

27°C

Low

22°C

Rain Chance

93%

Hourly Forecast

Patchy light rain 26°C
13:00
Light rain shower 25°C
14:00
Light rain shower 24°C
15:00
Light rain shower 24°C
16:00
Light rain shower 23°C
17:00
Light rain shower 23°C
18:00
Light rain shower 23°C
19:00
Light rain shower 23°C
20:00
Light rain shower 23°C
21:00
Light drizzle 22°C
22:00
Light rain 22°C
23:00
Apr 10

Day Statistics

Maximum Wind

11 km/h

Humidity

84%

Precipitation

10 mm

UV Index

2

Visibility

9 km

Rain Chance

93%

Snow Chance

0%

Sun & Moon

Sunrise

06:08 AM

Sunset

05:49 PM

Moonrise

11:22 PM

Moonset

12:36 PM

Moon Phase

Waning Gibbous

Moon Illumination

61%

Air Quality

PM2.5

6.6

μg/m³

PM10

7.9

μg/m³

NO₂

4.7

μg/m³

O₃

54

μg/m³

SO₂

1.8

μg/m³

CO

147.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

52.78

Diffuse Radiation

19.26

DNI

40.38

GTI

41.9

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