January 18 sees frequent showers in Florianópolis. Historical data shows a 64% chance of rain, so pack accordingly. Temperatures average 28°C. As it's peak season for Florianópolis, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Florianópolis
Currency
BRL
R$ Brazilian real
Language
Portuguese
Driving
Right side
Safety
Moderate Safety
GPI: 2.465
Florianópolis Weather Forecast for January 18
"Rainy & Overcast. Expect average highs of 28.2°C. 64% chance of rain."
What to Wear in Florianópolis in January
Based on historical data for January 18, Florianópolis typically experiences temperatures between 22.6°C and 28.2°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 64% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Florianópolis
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.2°C
Daytime Peak
Average Low
22.6°C
Nighttime Low
Feels Like
32.8°C
🔥 Feels warmer
Rain Chance
64%
Avg 5.8mm if it rains
Cloud Cover
73%
Moderate rain
Pressure
1012.5 hPa
Low volatility
Florianópolis Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
24.6°C
Humid/Sticky
Heat Index
32.8°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
High
91/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~71
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Florianópolis
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:36
☀️ Noon
12:25
🌇 Sunset
19:14
⏱️ Daylight
13h 38m
Wind Speed
13.5 km/h
Gentle breeze
Sunshine
9.7 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Florianópolis
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Florianópolis
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Florianópolis on January 18 averages 28.2°C with a 64% precipitation probability. Wedding/Outdoor Event Score: 69/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Florianópolis Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 13
28°C • 50% rain
Score
80
January 14
28.1°C • 51% rain
Score
80
January 11
27.9°C • 51% rain
Score
79
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 18) in other destinations
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📍 Is Florianópolis Worth Visiting on January 18?
Planning a trip to Florianópolis on January 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.2°C with a 64% historical precipitation risk.
✈️ Travel Logistics: Approximately 71 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 27.6°C (tropical bath). Wave conditions are generally fun waves with heights around 0.62m.
📊 Historical Extremes: The hottest January 18 recorded in the last 30 years saw temperatures hit 33.7°C in 2022, while the coldest dropped to 20.9°C in 2020.