Florianopolis weather in October

In October, Florianopolis sees average daytime highs of 23°C and overnight lows near 18°C, with 122 mm of rain across 13.5 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 13% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is Florianopolis's 12th-clearest and 2nd-windiest month. For the whole year in context, see Florianopolis's year-round climate.

Daytime high
23°
7th warmest
Overnight low
18°
6th coldest
Rainfall
122 mm
13.5 wet days
Daylight
12 h 42 min
6:39 AM – 7:19 PM
Cloud cover
76%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
4.51 kWh/m²
Travel score
5.9
out of 10

Florianopolis is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical October day in Florianopolis reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, October runs about 2°C warmer than September and about 2°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12217
22217
32217
42217
52217
62217
72217
82218
92218
102218
112318
122318
132318
142318
152318
162318
172318
182318
192318
202318
212318
222318
232318
242319
252319
262319
272419
282419
292419
302419
312419

Florianopolis weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42674
52575
62575
72575
82575
92377
102377
112377
122476
132476
142476
152377
162377
172377
182377
192377
202377
212377
222575
232575
242674
252674
262773
272773
282773
292872
302971
312971

Chance of precipitation in October

Any precipitation

Florianopolis gets around 122 mm of rain over 13.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
345
444
544
643
742
842
941
1041
1141
1241
1341
1442
1542
1643
1744
1844
1945
2045
2146
2246
2346
2446
2546
2646
2746
2846
2946
3046
3146

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1182540170
2182539180
3172439200
4162439210
5162338230
6152338240
7152237260
8142236280
9142136290
10132135301
11132135311
12122134321
13122134331
14112133341
15112133341
16102133351
1792133351
1892133361
1992133361
2082133362
2182133362
2282133362
2382133362
2482033372
2582032372
2682032373
2782032373
2892032373
2991932373
3091932374
3191932374

Wind in October

Winds average 13 km/h in October.

Across October, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:55 AM to 6:26 AM, and sunset from 7:11 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:557:11
212.36:547:11
312.36:537:12
412.36:527:13
512.46:517:13
612.46:507:14
712.46:497:14
812.56:477:15
912.56:467:15
1012.56:457:16
1112.56:447:16
1212.66:437:17
1312.66:427:18
1412.66:417:18
1512.66:407:19
1612.76:397:19
1712.76:387:20
1812.76:377:21
1912.76:367:21
2012.86:357:22
2112.86:347:22
2212.86:347:23
2312.96:337:24
2412.96:327:24
2512.96:317:25
2612.96:307:26
2713.06:297:26
2813.06:297:27
2913.06:287:28
3013.06:277:28
3113.06:267:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.51 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 5.88 kWh/m² in December across the year — October's 4.51 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.3Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in October

Is October a good time to visit Florianopolis?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
8th-best month of the year
4.5
Beach & pool
8th-best month of the year

October is a reasonable time to visit Florianopolis for sightseeing.

What to pack for Florianopolis in October

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

In October, Florianopolis sees daytime highs around 23°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Florianopolis in October

The nearest coast averages about 21°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 9 (very high — sun protection essential). 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
October 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).