Rio de Janeiro weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Rio de Janeiro August weather at a glance
In August, Rio de Janeiro averages 21.1°C, with typical highs of 25.1°C and lows of 17.9°C. The historical average is 6 wet days and 76% humidity.
Rio de Janeiro August temperature & humidity
Rio de Janeiro August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Rio de Janeiro in August
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 25.1°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 17.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Rio de Janeiro August sunrise & sunset times
2026 August · Local time (America/Sao_Paulo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 06:27 | 17:32 | 11h 5m |
| 2026-08-15 | 06:18 | 17:37 | 11h 19m |
| 2026-08-31 | 06:04 | 17:42 | 11h 38m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Rio de Janeiro travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Rio de Janeiro city map
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Rio de Janeiro travel essentials
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Best months to visit Rio de Janeiro
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Rio de Janeiro weather like in August?
In August, Rio de Janeiro averages 21.1°C, with typical highs of 25.1°C and lows of 17.9°C. The historical average is 6 wet days and 76% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Rio de Janeiro in August?
There are about 6 wet days in August. A compact umbrella is still useful.
What should I wear in Rio de Janeiro in August?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Rio de Janeiro?
Recent weather data rates April, May, June, July among the more comfortable months.
Where can I check Rio de Janeiro weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Rio de Janeiro in August?
On 2026-08-15, calculated sunrise is 06:18 and sunset is 17:37 in local time (America/Sao_Paulo). Times vary by date and terrain.
Rio de Janeiro weather by month
More Americas destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations