Florianopolis in Fall

In fall (March, April and May), Florianopolis sees average daytime highs around 25°C and overnight lows near 20°C, with 320 mm of rain over about 38 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 28°C in early March to 21°C by late May. The sky is clear or mostly clear about 32% of the time across fall, and the air most often feels muggy.

Fall is Florianopolis's 2nd-best season to visit on our travel score. For the whole year in context, see Florianopolis's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
20°C
Rainfall
320 mm
38 wet days
Avg wind
11 km/h
Travel score
6.3
2nd-best season
Months
Mar · Apr · May

Temperature in Florianopolis in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 28°C in early March to 21°C by late May.

A typical fall day in Florianopolis reaches about 25°C and drops to 20°C overnight. The warmest of the three months is March, the coolest May.

10°15°20°25°30°35°MarAprMay

Florianopolis weather by month

How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°18018.913.55.0
Feb28° / 23°16017.3134.9
Mar27° / 22°12517.312.25.4
Apr25° / 20°8410.611.46.7
May23° / 17°11010.510.76.7
Jun21° / 15°948.910.36.6
Jul20° / 14°848.910.46.5
Aug21° / 15°868.7116.6
Sep21° / 16°13312.411.86.0
Oct23° / 18°12213.512.75.9
Nov25° / 20°11614.113.46.1
Dec27° / 21°12614.813.75.6

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Florianopolis gets around 320 mm of rain over 38 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%MarAprMay

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%MarAprMay

Wind in Fall

Winds average 11 km/h across fall.

051015MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 36 min in early March to 10 h 24 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.9 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Florianopolis?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.3
Sightseeing
2nd-best month of the year
5.5
Beach & pool
1st-best month of the year

fall is a reasonable time to visit Florianopolis for sightseeing.

What to pack for Florianopolis in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Florianopolis sees daytime highs around 25°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 38 days see rain.

light clothesrain gearsun protection

Sea temperature near Florianopolis in Fall

The nearest coast averages about 24°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in February at about 26°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr24Refreshing
May22Refreshing
Jun20Cool
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov22Refreshing
Dec24Warm

UV index in Florianopolis in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Florianopolis peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun5Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Florianopolis?

Florianopolis sits at 27.6°S, 48.5°W, 26 m above sea level, in Brazil. The nearest listed city is Trindade, 3.0 km away.

Topography around Florianopolis

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Florianopolis.

Within 3 km, the terrain around Florianopolis has significant variations in elevation — a maximum elevation change of 280 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 547 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,750 m.

The land around Florianopolis is covered by water (47%) and artificial surfaces (35%) within 3 km, water (48%) and trees (27%) within 16 km, and trees (49%) and water (40%) within 80 km.

3 km
280 m
16 km
547 m
80 km
1,750 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
Fall weather nearby: Trindade 3.0 km · Pantanal 4.0 km · Campinas 6.0 km · São José 8.0 km · Ribeirão da Ilha 12 km · Palhoça 13 km · Freguesia do Ribeirao da Ilha 14 km · Biguaçu 15 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Florianopolis (-27.5967°, -48.5492°, elevation 26 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.