Brazil Rio de Janeiro Weather in August — Climate Guide
August in Rio de Janeiro is high
August is high for Rio de Janeiro.
Late winter — good value.
Travel score
Rio de Janeiro August Weather Stats
Avg High
26°C
Avg Low
19°C
Rainy Days
7
50mm total
Sunshine
6h
Daily avg
Humidity
78%
comfortable
UV Index
8
Very high
Wind
13 km/h
Gusts 28
Sea Temp
22°C
too cold to swim
Crowds
Moderate
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
14 μg/m³
PM10
28 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
28°C
Nighttime
20°C
Humidity and wind affect how the actual temperature feels.
Wind
13 km/h
Max gust 28 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Pleasant 26/19°C
- Dry season
Cons
- Chilly for swimming
August Events & Festivals
- End of winter
Rio de Janeiro in August — Full Picture
Late winter — good value.
What to Wear & What to Pack
Late winter.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
28.3°C
22°C
11/mo
Summer (Jun·Jul·Aug)
Current25.3°C
18.7°C
7/mo
Autumn (Sep·Oct·Nov)
27°C
20.7°C
10.3/mo
Winter (Dec·Jan·Feb)
31.3°C
23.7°C
12.7/mo
Rio de Janeiro Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 32° | 24° | 13d·110mm | 7h | 80% | 12 | Very busy | Peak | |
| 32° | 24° | 12d·110mm | 7h | 80% | 12 | Very busy | Peak | |
| 31° | 24° | 12d·90mm | 7h | 80% | 11 | Busy | Peak | |
| April (Early Autumn — Value) (Best) | 28° | 22° | 12d·100mm | 6h | 80% | 9 | Moderate | Shoulder |
| May (The Pick) (Best) | 26° | 20° | 9d·75mm | 6h | 80% | 7 | Moderate | Shoulder |
| 25° | 19° | 7d·50mm | 6h | 78% | 7 | Moderate | Shoulder | |
| July (School Holidays) (Best) | 25° | 18° | 7d·50mm | 6h | 78% | 7 | Busy | Peak |
| August (Best) | 26° | 19° | 7d·50mm | 6h | 78% | 8 | Moderate | Shoulder |
| September (A Top Month) (Best) | 26° | 19° | 9d·80mm | 6h | 78% | 9 | Moderate | Shoulder |
| October (Spring) (Best) | 27° | 21° | 11d·100mm | 6h | 80% | 10 | Moderate | Shoulder |
| November (Late Spring) (Best) | 28° | 22° | 11d·110mm | 7h | 80% | 11 | Moderate | Shoulder |
| 30° | 23° | 13d·130mm | 7h | 80% | 12 | Very busy | Peak |
View Other Months
Rio de Janeiro August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Rio de Janeiro?
Rio de Janeiro in August is high. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Rio de Janeiro in August?
Rio de Janeiro August averages a high of 26°C and a low of 19°C.
Does it rain much in Rio de Janeiro in August?
Rio de Janeiro August averages 50mm of rainfall over about 7 rainy days.
What should I wear in Rio de Janeiro in August?
Late winter.
What time are sunrise and sunset in Rio de Janeiro in August?
Rio de Janeiro August sunrise is 06:15 and sunset is 17:35, with 11h 20min of daylight.
What's the air quality like in Rio de Janeiro in August?
Rio de Janeiro August air quality (AQI) averages 50, rated Good. PM2.5 averages 14μg/m³.
What activities are recommended in Rio de Janeiro in August?
In August, Rio de Janeiro is great for Corcovado, Sugarloaf, Lapa.
Is August peak season in Rio de Janeiro?
Rio de Janeiro August crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Rio de Janeiro
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.