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Rio de Janeiro, Brazil · Tropical

Rio de Janeiro in October: go or not?

Good time. Rio de Janeiro in October gets 7.6/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 22.90°S · 43.17°W
⚡ This month's verdict
Go for it
Rio de Janeiro · October
7.6
21–26°
Temperature
48%
Rain
5h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Kotryna Juskaite via Unsplash
The month in detail

What to expect in October

Autumn in Rio de Janeiro is often underrated: 26.0°F, golden light and declining crowds. An interesting window. With 48.0% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if July (8.1/10) remains theoretically better.

October ranks 8 out of 12 months in Rio de Janeiro. Compared to September: 20 pts more rainy days.

This month's conditions

What it's like in October

UV index
7 · high
sunscreen and hat advised
Feels like
muggy at times
20°
Sea
24°C
pleasant for swimming
Daylight
12.5h of daylight
Air quality
fair
AQI 40
Compare

Is October the right month?

The best month in Rio de Janeiro is July (8.1/10), 0.5 pt higher than October.

See July →See all 12 months →
Context

Our verdict

Rio is one of the world's most spectacular cities: 6 million inhabitants between mountains (Pão de Açúcar, Corcovado) and sea (Copacabana, Ipanema, Leblon). September is my favorite month (8.6/10): 68-79°F, 28% rain, end of austral winter, ideal temperatures without stifling heat.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay
Hotels & rentals · Rio de Janeiro
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Activities
Tours, tickets, experiences
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Flights
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🎟️ Activities & tours · Rio de Janeiro

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Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.

Country · Brazil

🗣️LanguagePortuguese
💶CurrencyBrazilian Real (R$)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 86°F
❄️Coolest monthJuly · 75°F
🌧️Rainiest month ⓘNovember · 51%

🏝️ Tropical stay

🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore

Other destinations in October

If October doesn't convince you for this destination, compare with others.

Similar climate
IguazúArgentinaDurbanSouth AfricaSydneyAustraliaFlorianópolisBrazilAsunciónParaguay
Nearby
São PauloBrazil361 kmPorto AlegreBrazil1127 kmChapada DiamantinaBrazil1177 kmSalvadorBrazil1209 km
Other top picks
DurbanSouth Africa7.7LimaPeru7.7MauiUnited States7.7Hawaii / MauiUnited States7.8El HierroSpain7.9
← SeptemberNovember →
🗺️ See all 754 destinations on the map
Location

Where is Rio de Janeiro ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Brazil
Tropical climate with a 8.1 → 5.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
22.90°S · 43.17°W
Questions

Frequently asked questions

What is the best time to visit Rio de Janeiro?
July is the best month with 75°F highs, 64°F lows, 6.1h of sunshine and 21.0% rainy days. The months of July & May offer comparable conditions.
How many hours of sunshine does Rio de Janeiro get in July?
Rio de Janeiro averages 6.1 sunshine hours per day in July. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Rio de Janeiro?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Rio de Janeiro in July?
In July, overnight lows reach 64°F, while afternoon highs average 75°F.
Is Rio de Janeiro good in winter?
In winter (December-February), Rio de Janeiro scores 5.7/10 on average — Acceptable conditions for cultural visits.. The best month overall remains July with a score of 7.6/10.
When should you avoid Rio de Janeiro?
January is the most difficult month to visit Rio de Janeiro, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Rio de Janeiro in October?
In October, the sea averages 76°F in Rio de Janeiro: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Rio de Janeiro in October?
The average UV index reaches 7 in October in Rio de Janeiro (high), with about 12.5h of daylight. Sunscreen and hat advised.