Florianópolis weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Fair
Best time to visit: December – April
What is the weather like in Florianópolis in May?
In May, Florianópolis is warm: daytime highs average 22 °C, and nights cool down to about 17 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 105 mm in total. All in all, May is a so-so month for a holiday in Florianópolis.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 10 h 47 min06:47 – 17:34
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 8 daysdew point 18 °C or more
- Wind
- 11 km/haverage daily peak
- Cloud cover
- 60 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 35 %50 %
- Seaweight 25 %67 %
- Sunshineweight 20 %27 %
- Few rainy daysweight 20 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Florianópolis in May: quick answers
Is Florianópolis hot in May?
Warm rather than hot: in May, daytime highs in Florianópolis average 22 °C and nights cool to about 17 °C.
Can you swim in Florianópolis in May?
Yes. In May the sea averages 21.7 °C – refreshing for a swim.
Does it rain much in Florianópolis in May?
Rain is frequent, with about 10 rainy days and 105 mm in total.
Florianópolis month by month
The whole year in FlorianópolisAll destinations: BrazilWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)