Sun, sea & sand

Florianópolis weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

70

Holiday weather in March

Good

Best time to visit: December – April

Air temperature27°CNight 22°
Sea temperature25.5°Cpleasant
Sunshine6hrs / dayof 12.3 h daylight
Rainy days19days / month142 mm

What is the weather like in Florianópolis in March?

In March, Florianópolis is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.5 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 19 days, adding up to 142 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in Florianópolis.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score717076
Day28°27°25°
Night23°22°20°
Sea26°26°24°
Sun6 h6 h6 h
Rain days201912

More details for March

Daylight
12 h 18 min06:15 – 18:33
UV index
9 · very highclear sky, noon (estimate)
Muggy days
26 daysdew point 18 °C or more
Wind
12 km/haverage daily peak
Cloud cover
68 %on average
Hot days
3 days30 °C or more
Time zone
UTC−3America/Sao_Paulo

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %50 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Florianópolis in March: quick answers

Is Florianópolis hot in March?

Warm rather than hot: in March, daytime highs in Florianópolis average 27 °C and nights cool to about 22 °C. On about 3 days the thermometer climbs to 30 °C or more.

Can you swim in Florianópolis in March?

Yes. In March the sea averages 25.5 °C – pleasant for swimming.

Does it rain much in Florianópolis in March?

It rains often – on about 19 days, adding up to 142 mm.

Florianópolis month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)