Weather Forecast for Ilha Grande

Rio de Janeiro, Brazil

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Light rain shower

Current Weather - Ilha Grande: 23°C

Rio de Janeiro, Brazil

Light rain shower

Feels like 27°C

Wind

4 km/h NW

Humidity

95%

Pressure

1012 mb

UV Index

6

Visibility

10 km

Overcast

Overcast

Thursday, November 05, 2026

High

28°C

Low

20°C

Rain Chance

87%

Hourly Forecast

Light drizzle 23°C
17:00
Overcast 23°C
18:00
Overcast 22°C
19:00
Overcast 22°C
20:00
Light drizzle 22°C
21:00
Light drizzle 22°C
22:00
Patchy rain nearby 21°C
23:00
Nov 06

Day Statistics

Maximum Wind

17 km/h

Humidity

89%

Precipitation

5 mm

UV Index

12

Visibility

8 km

Rain Chance

87%

Snow Chance

0%

Sun & Moon

Sunrise

05:08 AM

Sunset

06:12 PM

Moonrise

02:27 AM

Moonset

02:50 PM

Moon Phase

Waning Crescent

Moon Illumination

13%

Air Quality

PM2.5

11.7

μg/m³

PM10

13.5

μg/m³

NO₂

4.5

μg/m³

O₃

87.3

μg/m³

SO₂

2.7

μg/m³

CO

371

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

132.66

Diffuse Radiation

131.49

DNI

1.21

GTI

128.33

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