Weather Forecast for Ilha Grande

Rio de Janeiro, Brazil

select dropwdown icon
Share
Sunny

Current Weather - Ilha Grande: 24°C

Rio de Janeiro, Brazil

Sunny

Feels like 26°C

Wind

4 km/h ENE

Humidity

94%

Pressure

1011 mb

UV Index

0

Visibility

10 km

Moderate rain

Moderate rain

Tuesday, January 13, 2026

High

29°C

Low

22°C

Rain Chance

89%

Hourly Forecast

Sunny 29°C
10:00
Sunny 29°C
11:00
Patchy rain nearby 29°C
12:00
Patchy rain nearby 27°C
13:00
Patchy rain nearby 27°C
14:00
Patchy rain nearby 26°C
15:00
Moderate rain at times 24°C
16:00
Patchy rain nearby 23°C
17:00
Patchy rain nearby 23°C
18:00
Patchy rain nearby 23°C
19:00
Clear 23°C
20:00
Patchy rain nearby 22°C
21:00
Patchy rain nearby 22°C
22:00
Patchy rain nearby 22°C
23:00
Jan 14

Day Statistics

Maximum Wind

12 km/h

Humidity

74%

Precipitation

11 mm

UV Index

3

Visibility

10 km

Rain Chance

89%

Snow Chance

0%

Sun & Moon

Sunrise

05:24 AM

Sunset

06:48 PM

Moonrise

12:52 AM

Moonset

02:42 PM

Moon Phase

Waning Crescent

Moon Illumination

28%

Air Quality

PM2.5

18.4

μg/m³

PM10

18.7

μg/m³

NO₂

5.7

μg/m³

O₃

99.8

μg/m³

SO₂

5.9

μg/m³

CO

188

μg/m³

US EPA Index: 2 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

5.18

Diffuse Radiation

2.56

DNI

3.57

GTI

5.03

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