30YearWeather
Florianópolis in May
Florianópolis weather in May - Brazil
😊Warm & Pleasant

Florianópolis Weather in May

Plan your May trip to Florianópolis, Brazil. Based on 30 years of NASA data, expect temperatures of 22°C (high) to 17°C (low), with 24% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 22°C in May. Great conditions with only 9 rainy days expected.

Avg High
22°C

Hottest around day 2

Avg Low
17°C

Coolest around day 31

Rainy Days
9days

24% avg rain chance

Sunshine
8hrs/day

Spring season

Sea Temperature in May

Atlantic Ocean(Oceano Atlântico)

22.4°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

Florianópolis May Weather Calendar

Click any day to see detailed weather information

Essential Travel Info for Florianópolis

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

0

slots per day

Peak

Apr

Low

Nov

Monthly Traffic Distribution

71
Jan
59
Feb
55
Mar
78
Apr
72
May
44
Jun
43
Jul
47
Aug
54
Sep
52
Oct
43
Nov
63
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 May a Good Time to Visit Florianópolis?

👌Decent conditions for most activities
Short Answer

May perfect for Florianópolis's beaches - 22.4°C water temperature, 23°C days, minimal 24% rain. Book beachfront early as this is peak coastal season.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

81% average humidity

Peak tourist season

92% of annual peak - expect crowds and peak prices

Ideal temperature range

22.5°C - perfect for sightseeing and outdoor activities

Pleasant swimming conditions

22.4°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Good For

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 22.5°C, 24% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 97/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    81% humidity creates difficult conditions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Florianópolis in May averages 22°C with 24% precipitation probability."

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

Frequently Asked Questions: Florianópolis in May

What are the temperatures in Florianópolis in May?

Daytime highs average 22°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Florianópolis in May?

Expect around 9 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Florianópolis in May?

Comfortable casual wear with a light jacket for evenings.

Is May peak season in Florianópolis?

This is typically peak season with higher prices. Book 2-3 months ahead.