Florianópolis weather in April
April in Florianópolis: hot, rainy, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#1 of 12 months in Florianópolis · #461 of 1413 destinations to visit in April · comfort 83/100 (tier A)
- Days
- 27°C
- Nights
- 19°C
- Wet days
- 13
- Sun
- 8.5 h
- Humidity
- 80%
- Daylight
- 11 h

Traveller notes on Florianópolis in April
Florianópolis's forum rates March-April-May as favorite months — still hot by day, around 27°C, cooling to a comfortable 20°C at night, with far fewer crowds than peak summer. Regulars note rain picks up compared to March, so a light rain jacket is worth packing, and flag late April evenings as starting to turn genuinely cooler as the month wears on.
Other months in Florianópolis
Regulars are specific this month opens the beach season proper after a windy fall, temperatures commonly cited in the low-to-mid 70s Fahrenheit, though predicting any single day stays genuinely hard given how quickly conditions can shift. Our row backs that warm, genuinely wet and windy read, 26.2C reading as a hot 29C, over 18.8C nights feeling 21C, with a substantial 148mm of rain across 16.7 days and a real 13.8 kph wind. Regulars are consistent the island's 40-plus beaches are a real practical advantage on a windy day, always another beach somewhere on the island sheltered enough to be comfortable. The sea sits at a warm, swimmable 23.7C. The record: 8.8 hours of sun, humidity 79 percent and AQI 42.
February is the better half of the Brazilian summer here: January is the national holiday month and busier, so mid-February runs calmer - except at Carnival, which moves with the calendar and brings traffic to the beaches, higher prices and the city's own street parties with it. Check where it falls in your year. Regulars are firm that this is the right season weather-wise and our row mostly agrees: 30.2C reading as 35C at 80 percent humidity, nights at 21.9C, a 26.7C sea. The part visitors worry about is real - 191.4mm across 19.5 days - but it arrives as a summer downpour rather than a wet season, with 9.9 hours of sun a day standing behind it. The record: an 11.5 kph wind and AQI 38.
Florianopolis-forum threads on July weather are consistent it's the wrong month for beach time - genuinely cold by local standards, cool enough that even committed surfers describe both the water and the air as chilly rather than inviting. Days do bring clear, sunny skies more often than not, since July is called one of the drier months of the year here, any rain that shows up typically brief rather than settling in. The one activity regulars specifically recommend for a July visit regardless of the cool temperatures: whale watching, with southern right whales reliably spotted in the bays off the island this time of year, boat tours running from Praia da Armação or the peninsula ferry crossing. Surf conditions stay strong too, good swells and offshore winds, just paired with water cold enough that a proper wetsuit is non-negotiable. The record: 21.9C days feeling like 22C, 13.1C nights, 56mm across 6.5 days, 82 percent humidity, an 18.6C sea and 7.6 hours of sun.
December on Floripa is hot and wetter than the brochure - our row carries 186.9mm across 19.6 precipitation days, which regulars confirm as quite a bit of rain inside an otherwise very nice month. The crowd advice is precise about dates rather than the month: Brazilians travel late, so the island only fills after Christmas and peaks at New Year, while early December is comparatively calm and January is packed throughout. Prices track the same curve. For space at any point, they send you south - Morro das Pedras for surf, Matadeiro for calm swimming. The record: 28.5C days that feel like 32C, 20.9C nights, humidity 80 percent, 9.8 hours of sun and a 25.7C sea.
Add your own note from Florianópolis's card on the map.
Florianópolis climate normals — April
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Florianópolis in April
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quiettravelers describe it as quiet, Semana Santa long weekend
Sourced from traveler notes: “…, around 27°C, cooling to a comfortable 20°C at night, with far fewer crowds than peak summer. Regulars note rain picks up compared to M…” — Tripadvisor community
Peak crowdsBusyShoulder seasonQuiet
Best months for Florianópolis's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherFlorianópolis's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Florianópolis in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Semana Santa long weekend
3–5 AprEaster & Holy WeekCrowdedBook earlyGood Friday is a national holiday and the Easter weekend is one of the year's busiest for domestic travel: roads and bus stations jam, beach towns and country retreats fill with Brazilian families, and prices rise. Many shops close on Good Friday. Source ↗
- Season
Winter swell on the east coast
1 Apr – 30 Sep · usuallySurf seasonSouth swells arrive with the cold fronts and Mole, Joaquina and Campeche work best through the cool half of the year. Wetsuit water from June, and the beaches are otherwise empty.
- Season
Sea warm enough to swim
1 Dec – 15 Apr · usuallyThe water is comfortable without a wetsuit from December to about mid-April, and it stays that way for a few weeks after the crowds have gone home.
Where is Florianópolis?
Florianópolis in April — FAQ
- Is April a good time to visit Florianópolis?
- April in Florianópolis: hot, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Florianópolis on SeasonMap's comfort score (83/100).
- What is the weather like in Florianópolis in April?
- In April, Florianópolis averages a daily high of 27°C and a low of 19.2°C, with about 109.9 mm of rain over roughly 13.4 rainy days.
- What is the air quality in Florianópolis in April?
- Florianópolis has a mean US Air Quality Index of about 39 in April.