Ilhabela weather in April

In April, Ilhabela sees average daytime highs of 24°C and overnight lows near 23°C, with 117 mm of rain across 12.6 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Ilhabela's 4th-clearest and 9th-windiest month. For the whole year in context, see Ilhabela's year-round climate.

Daytime high
24°
5th warmest
Overnight low
23°
8th coldest
Rainfall
117 mm
12.6 wet days
Daylight
11 h 24 min
7:18 AM – 6:45 PM
Cloud cover
48%
4th clearest
Wind
13 km/h
9th windiest
Solar energy
4.42 kWh/m²
Travel score
6.7
out of 10

Ilhabela is human settlement in Brazil.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical April day in Ilhabela reaches about 24°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12523
22523
32523
42523
52523
62523
72523
82523
92523
102523
112523
122523
132523
142523
152423
162423
172423
182423
192423
202423
212423
222423
232422
242422
252422
262422
272422
282422
292422
302422

Ilhabela weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 9th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56238
66337
76337
86337
96436
106436
116436
126436
136436
146436
156436
166436
176436
186535
196535
206535
216535
226634
236634
246634
256634
266733
276832
286832
296832
306733

Chance of precipitation in April

Any precipitation

Ilhabela gets around 117 mm of rain over 12.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
149
249
349
448
548
647
747
846
945
1044
1143
1242
1341
1440
1539
1639
1738
1838
1938
2038
2138
2238
2338
2438
2538
2638
2738
2838
2938
3038

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11831555
21931554
31931554
41931554
521031534
621032524
721032533
821132523
921133513
1031233503
1131233493
1231334482
1331335472
1431335462
1531436452
1631437442
1731438432
1831439422
1931540401
2031541391
2131642371
2231643361
2341744341
2441844331
2541845311
2651945301
2751945291
2852046281
2962146261
3072246251

Wind in April

Winds average 13 km/h in April.

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

05101520151015202530
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
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:12 AM to 7:24 AM, and sunset from 7:00 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:127:00
211.87:136:59
311.77:136:58
411.77:136:57
511.77:146:56
611.77:146:55
711.77:156:54
811.67:156:53
911.67:156:52
1011.67:166:51
1111.67:166:50
1211.57:176:49
1311.57:176:48
1411.57:176:47
1511.57:186:46
1611.47:186:45
1711.47:196:44
1811.47:196:43
1911.47:196:42
2011.47:206:41
2111.37:206:41
2211.37:216:40
2311.37:216:39
2411.37:226:38
2511.37:226:37
2611.27:236:36
2711.27:236:36
2811.27:236:35
2911.27:246:34
3011.17:246:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.42 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 — April's 4.42 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Is April a good time to visit Ilhabela?

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

6.7
Sightseeing
4th-best month of the year
5.8
Beach & pool
2nd-best month of the year

April is a reasonable time to visit Ilhabela for sightseeing.

What to pack for Ilhabela in April

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

In April, Ilhabela sees daytime highs around 24°C and nights near 23°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Ilhabela in April

The nearest coast averages about 25°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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
April 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).