Ilhabela weather in October

In October, Ilhabela sees average daytime highs of 22°C and overnight lows near 20°C, with 137 mm of rain across 14 wet days and about 12.6 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 23% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 54 min by month's end. Set against the rest of the year, October is Ilhabela's 11th-clearest and 2nd-windiest month. For the whole year in context, see Ilhabela's year-round climate.

Daytime high
22°
8th warmest
Overnight low
20°
5th coldest
Rainfall
137 mm
14 wet days
Daylight
12 h 36 min
6:30 AM – 7:03 PM
Cloud cover
67%
11th clearest
Wind
16 km/h
2nd windiest
Solar energy
5.15 kWh/m²
Travel score
5.9
out of 10

Ilhabela 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

Day-to-day highs hold fairly steady near 22°C through the month.

A typical October day in Ilhabela reaches about 22°C in the afternoon and slips back to 20°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, October runs on par with September and about 1°C cooler than November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12120
22220
32220
42220
52220
62220
72220
82220
92220
102220
112220
122220
132220
142220
152220
162221
172221
182221
192221
202221
212221
222221
232221
242221
252221
262221
272221
282221
292221
302221
312321

Ilhabela weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°1841613.35.7
Feb26° / 25°13812.512.86.1
Mar26° / 24°17315.312.26.0
Apr24° / 23°11712.611.56.7
May23° / 21°12112.410.96.6
Jun22° / 20°919.810.66.9
Jul21° / 19°102910.76.9
Aug21° / 19°809.411.26.8
Sep21° / 20°13413.911.96.0
Oct22° / 20°1371412.65.9
Nov23° / 21°16215.513.15.8
Dec25° / 23°15414.113.46.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33862
43961
53961
63862
73961
83961
93862
103862
113763
123763
133763
143664
153664
163763
173664
183664
193664
203664
213664
223763
233763
243862
253862
263862
273862
283862
293961
303961
313961

Chance of precipitation in October

Any precipitation

Ilhabela gets around 137 mm of rain over 14 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 46% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
151
250
349
448
547
646
745
844
944
1044
1144
1244
1344
1445
1545
1645
1746
1846
1946
2047
2147
2247
2347
2447
2547
2647
2747
2848
2948
3048
3148

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131232495
231232495
321231495
421131506
521130516
621130507
711029537
811028547
911028538
101927558
111926559
121926559
131925569
1419255510
1518245710
1618235711
1717235811
1817225911
1917225812
2017215912
2117215813
2217215813
2317215714
2417215615
2517205715
2617205616
2717205616
2817205517
2917205418
3017205418
3117205319

Wind in October

Winds average 16 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:44 AM to 6:19 AM, and sunset from 6:57 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:446:57
212.26:436:57
312.36:426:58
412.36:416:58
512.36:406:59
612.36:396:59
712.46:386:59
812.46:377:00
912.46:367:00
1012.46:357:01
1112.56:347:01
1212.56:337:02
1312.56:327:02
1412.56:317:02
1512.56:307:03
1612.66:307:03
1712.66:297:04
1812.66:287:04
1912.66:277:05
2012.76:267:05
2112.76:257:06
2212.76:257:06
2312.76:247:07
2412.76:237:07
2512.86:227:08
2612.86:227:09
2712.86:217:09
2812.86:207:10
2912.86:207:10
3012.96:197:11
3112.96:197:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 5.95 kWh/m² in December across the year — October's 5.15 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Is October a good time to visit Ilhabela?

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

5.9
Sightseeing
10th-best month of the year
4.1
Beach & pool
11th-best month of the year

October is a reasonable time to visit Ilhabela for sightseeing.

What to pack for Ilhabela in October

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

In October, Ilhabela sees daytime highs around 22°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Ilhabela in October

The nearest coast averages about 22°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 26 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Ilhabela in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ilhabela peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 24UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Ilhabela?

Ilhabela sits at 23.8°S, 45.4°W, 7 m above sea level, in Brazil. The nearest listed city is São Sebastião, 6.0 km away.

Topography around Ilhabela

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

Within 3 km, the terrain around Ilhabela has large variations in elevation — a maximum elevation change of 991 m around an average of 145 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,359 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,647 m.

The land around Ilhabela is covered by water (52%) and trees (41%) within 3 km, trees (50%) and water (45%) within 16 km, and water (54%) and trees (33%) within 80 km.

3 km
991 m
16 km
1,359 m
80 km
1,647 m
treesgrasslandartificial surfaceswater
October weather nearby: São Sebastião 6.0 km · Caraguatatuba 18 km · Ubatuba 48 km · Paraibuna 53 km · Salesópolis 57 km · Biritiba Mirim 73 km · Bertioga 80 km · Guararema 80 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 Ilhabela (-23.7781°, -45.3581°, elevation 7 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).