October 27 is generally a great time to visit Rio de Janeiro. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 29°C weather. You'll find plenty of company in Rio de Janeiro this month as tourism activity remains quite robust.
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Essential Travel Info for Rio de Janeiro
Currency
BRL
R$ Brazilian real
Language
Portuguese
Driving
Right side
Safety
Moderate Safety
GPI: 2.465
Rio de Janeiro Weather Forecast for October 27
"Warm & Sunny. Expect average highs of 28.9°C. 22% chance of rain."
What to Wear in Rio de Janeiro in October
Based on historical data for October 27, Rio de Janeiro typically experiences temperatures between 20.8°C and 28.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Rio de Janeiro
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
28.9°C
Daytime Peak
Average Low
20.8°C
Nighttime Low
Feels Like
34°C
🔥 Heat index effect
Rain Chance
22%
Avg 1.4mm if it rains
Cloud Cover
68%
Light drizzle
Pressure
1013.2 hPa
Low volatility
Rio de Janeiro Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.7°C
Humid/Sticky
Heat Index
34°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Brazil
Flight Traffic
Busy
65/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~163
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rio de Janeiro
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:12
☀️ Noon
11:37
🌇 Sunset
18:03
⏱️ Daylight
12h 51m
Wind Speed
18.1 km/h
Gentle breeze
Sunshine
9.8 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Rio de Janeiro
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Rio de Janeiro
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Rio de Janeiro on October 27 averages 28.9°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 92/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Rio de Janeiro Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 22
27.5°C • 25% rain
Score
94
October 23
28°C • 24% rain
Score
94
October 24
28.4°C • 21% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
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Same date (October 27) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Rio de Janeiro Worth Visiting on October 27?
Planning a trip to Rio de Janeiro on October 27? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.9°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 163 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Brazil, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 22.3°C (swimming pool). Wave conditions are generally fun waves with heights around 0.81m.
📊 Historical Extremes: The hottest October 27 recorded in the last 30 years saw temperatures hit 35.8°C in 2016, while the coldest dropped to 19.3°C in 2020.