Middle of the drier season · Weather & things to do
Rio de Janeiro in August
Rio de Janeiro sees its driest month, with just 1.7 in (42 mm) of rain, highs of 77°F (25°C) and lows of 65°F (18°C).
At 90/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 77°F (25°C)
- Avg low
- 65°F (18°C)
- Rain
- 1.7 in (42 mm)
- Humidity
- 77%
- Cloud cover
- 45%
- Daylight
- ~11 h 12 min
- Comfort score
- 90/100 · Great
What August feels like
Days are warm, averaging 77°F (25°C).
Lows average 65°F (18°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is moderate at about 1.7 in (42 mm) for the month.
Plan around August
August is one of Rio de Janeiro's best months on the climate data.
- Last of the best-scoring months: by September, the score drops to 82/100.
- Comfort holds steady from July (88 → 90/100).
- Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so August falls outside its suggested window.
What to pack for August
- Light, breathable clothes77°F afternoons
- Quick-dry fabrics77% average humidity
- Comfortable walking shoesmost picks involve some walking
What to do in Rio de Janeiro in August
With conditions on your side, the picks below favor time outside.
Tijuca National Park
One of the world's largest urban forests, with waterfalls and trails to Pico da Tijuca.
Why now August scores 90/100 for comfort, good conditions for being outside.
Jardim Botânico
Botanical garden founded in 1808, known for its avenue of imperial palms.
Why now Highs near 77°F and 1.7 in of monthly rain make this an easy outdoor pick.
Sugarloaf Mountain
Two-stage cable car up Pão de Açúcar for views across Guanabara Bay.
Why now One to do outside while the weather is on your side.
Christ the Redeemer
Art Deco statue atop Corcovado, reached by a cog train through Tijuca forest.
Bar Urca
Neighborhood bar where locals sit on the seawall with beers and snacks at sunset.
Nearby in August
- Ilha Grande in August~65 mi · highs 80°F, 1.5 in rain · 1°C (3°F) warmer by day, about as wet
- Paraty in August~100 mi · highs 83°F, 1.5 in rain · 4°C (6°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Rio de Janeiro in August: quick answers
Is August a good time to visit Rio de Janeiro?
Yes. On the climate data it's one of the best months, scoring 90/100. Expect highs of 77°F (25°C) and 1.7 in (42 mm) of rain. Our Rio, Ilha Grande & Paraty route recommends Apr – Jun, Sep – Nov, so August is outside its suggested window.
How hot is Rio de Janeiro in August?
Average highs are 77°F (25°C) and average lows 65°F (18°C), making it the 3rd-coldest month by daytime highs.
Does it rain a lot in Rio de Janeiro in August?
Not much: about 1.7 in (42 mm) of rain falls across August on average, the driest month of the year. The annual total is about 57.9 in (1470 mm).
What should I pack for Rio de Janeiro in August?
Bring light, breathable clothes (77°F afternoons), quick-dry fabrics (77% average humidity) and comfortable walking shoes (most picks involve some walking).
More on Rio de Janeiro
Planning Rio de Janeiro in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.