December 15 sees frequent showers in Florianópolis. Historical data shows a 41% chance of rain, so pack accordingly. Temperatures average 27°C. Expect a bustling atmosphere in Florianópolis right now—this is when the city truly comes alive with visitors.
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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 December 15
"Warm & Sunny. Expect average highs of 26.8°C. 41% chance of rain."
What to Wear in Florianópolis in December
Based on historical data for December 15, Florianópolis typically experiences temperatures between 20.9°C and 26.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 41% 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
26.8°C
Daytime Peak
Average Low
20.9°C
Nighttime Low
Feels Like
28.1°C
🔥 Minor difference
Rain Chance
41%
Avg 3.7mm if it rains
Cloud Cover
71%
Light drizzle
Pressure
1011.5 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 88% 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
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.8°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 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
81/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~63
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Florianópolis
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:14
☀️ Noon
12:10
🌇 Sunset
19:06
⏱️ Daylight
13h 52m
Wind Speed
14.1 km/h
Gentle breeze
Sunshine
10.5 hrs
Direct Sun (Cloud-free)
Humidity
79%
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
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
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 December 15 averages 26.8°C with a 41% precipitation probability. Wedding/Outdoor Event Score: 86/100."
— 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
December 8
25.7°C • 34% rain
Score
89
December 17
26.8°C • 35% rain
Score
89
December 9
25.8°C • 37% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 15) in other destinations
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📍 Is Florianópolis Worth Visiting on December 15?
Planning a trip to Florianópolis on December 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.8°C with a 41% historical precipitation risk.
✈️ Travel Logistics: Approximately 63 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 25.6°C (tropical bath). Wave conditions are generally fun waves with heights around 0.7m.
📊 Historical Extremes: The hottest December 15 recorded in the last 30 years saw temperatures hit 33.1°C in 2024, while the coldest dropped to 18.5°C in 2016.