What is the weather like in Florianópolis in December?

Expect temperatures between 21°C and 27°C with 41% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Florianópolis in December?

Florianópolis in December scores 66/100 based on 30 years of climate data. Great time to visit - recommended.

Who should visit Florianópolis in December?

December in Florianópolis is ideal for: Cultural tourists, Business travelers.

Florianópolis Weather in December | 30-Year Forecast

Avg High

27°C

Hottest around day 30

Avg Low

21°C

Coolest around day 1

Rainy Days

31days

41% avg rain chance

Sunshine

8hrs/day

Winter season

Sea Temperature in December

Atlantic Ocean(Oceano Atlântico)

25.4°C

Monthly Average

Water Feel

☀️Warm

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Atlantic Ocean

Oceano Atlântico

Florianópolis coastline

Essential Travel Info for Florianópolis

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

BRL

R$ Brazilian real

Language

Portuguese

Driving

Right side

Safety

Moderate Safety

GPI: 2.465

Travel Intelligence

Exclusive flight analytics & health data for Florianópolis

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic

31/ 100

Traffic Index

Quieter airport

Peak Daily Arrivals

slots per day

Peak

Apr

Low

Nov

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

São Paulo Guarulhos - Governador André Franco Montoro (GRU)

Santiago Comodoro Arturo Merino Benítez (SCL)

Rio de Janeiro RIOgaleão – Tom Jobim (GIG)

Campinas Viracopos (VCP)

Buenos Aires Jorge Newbery Airpark (AEP)

Health & Safety Advisory

CDC travel health recommendations

9 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Brazil.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Brazil.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Brazil. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Brazil.

Malaria

CDC recommends that travelers going to certain areas of Brazil take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas in the states of Acre, Amapá, Amazonas, Rondônia, and RoraimaPresent in the states of Maranhão, Mato Grosso, and Pará, but rare cases in their capital cities (São Luis [capital of Maranhão], Cuiabá [capital of Mato Grosso], Belém [capital of Pará])Rare cases and sporadic foci of transmission in rural and forested areas in the states of Espírito Santo, Goiás, Minas Gerais, Mato Grosso do Sul, Piauí, Rio de Janeiro, São Paolo, and TocantinsNo malaria transmission in the cities of Brasília (the capital), Rio de Janeiro, or São PaoloNo malaria transmission at Iguaçu FallsDrug resistanceChloroquineSpeciesP. vivax(90%)P. falciparum(10%)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Areas with rare cases: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+3 more

Source: CDC Travelers' Health

View Complete Health Guide

Is December a Good Time to Visit Florianópolis?

👍Great time to visit - recommended(66/100)

Short Answer

Rain dominates Florianópolis in December (41% probability, 4mm average). Prices are lower but outdoor activities require backup plans. Umbrella is essential.

Decision Factors

Vaccinations required

Yellow Fever

Pleasant swimming conditions

25.4°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

9.7h of sunshine daily

Shoulder season - balanced conditions

81% of peak - good value with moderate crowds

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

👴
Elderly travelers
79% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Florianópolis in December averages 27°C with 41% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Florianópolis in December

What are the temperatures in Florianópolis in December?

Daytime highs average 27°C, nights drop to 21°C. Temperatures remain fairly consistent.

How many rainy days in Florianópolis in December?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Florianópolis in December?

Comfortable casual wear with a light jacket for evenings.

Is December peak season in Florianópolis?

This is shoulder season—moderate prices and manageable crowds.

Florianópolis Weather in December