Ilhabela weather in July

In July, Ilhabela sees average daytime highs of 21°C and overnight lows near 19°C, with 102 mm of rain across 9 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 49% of the time in July, and the air most often feels humid.

Daylight stretches from about 10 h 30 min at the start of July to 10 h 54 min by month's end. Set against the rest of the year, July is Ilhabela's 1st-clearest and 5th-windiest month. For the whole year in context, see Ilhabela's year-round climate.

Daytime high
21°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
102 mm
9 wet days
Daylight
10 h 42 min
7:47 AM – 6:27 PM
Cloud cover
45%
1st clearest
Wind
14 km/h
5th windiest
Solar energy
3.39 kWh/m²
Travel score
6.9
out of 10

Ilhabela is human settlement in Brazil.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Ilhabela reaches about 21°C in the afternoon and slips back to 19°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, July runs on par with June and on par with August.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42220
52219
62219
72219
82119
92119
102119
112119
122119
132119
142119
152119
162119
172119
182119
192119
202119
212119
222119
232119
242119
252119
262119
272119
282119
292119
302119
312119

Ilhabela weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 10th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
35941
46040
56040
66040
76040
86040
96040
106040
116040
126040
136040
146139
156139
166139
176139
186139
196139
206139
216139
226139
236139
246139
256139
266139
276139
286139
296139
306040
316139

Chance of precipitation in July

Any precipitation

Ilhabela gets around 102 mm of rain over 9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
529
629
729
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1830
1930
2030
2130
2230
2330
2430
2530
2630
2730
2830
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15114439
25124539
35124538
45134537
55134635
66144634
76154633
86154732
96164731
106164730
116174730
127174729
137184728
147184728
157184728
168184727
178184727
188184727
198184727
208184727
219184727
229184727
239174727
249174727
259164826
269164826
279164926
289154926
299155026
309155026
319145225

Wind in July

Winds average 14 km/h in July.

Across July, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3015light breeze
3115light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 30 min at the start of July to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 7:48 AM to 7:41 AM, and sunset from 6:21 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:486:21
210.67:486:22
310.67:486:22
410.67:486:22
510.67:486:23
610.67:486:23
710.67:486:23
810.67:486:24
910.67:486:24
1010.67:486:24
1110.67:486:25
1210.67:486:25
1310.67:486:26
1410.67:486:26
1510.77:476:27
1610.77:476:27
1710.77:476:27
1810.77:476:28
1910.77:466:28
2010.77:466:29
2110.77:466:29
2210.77:456:30
2310.87:456:30
2410.87:456:31
2510.87:446:31
2610.87:446:31
2710.87:436:32
2810.87:436:32
2910.87:426:33
3010.97:426:33
3110.97:416:34

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.39 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 — July's 3.39 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in July

Is July a good time to visit Ilhabela?

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

6.9
Sightseeing
1st-best month of the year
4.4
Beach & pool
9th-best month of the year

July is a reasonable time to visit Ilhabela for sightseeing.

What to pack for Ilhabela in July

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

In July, Ilhabela sees daytime highs around 21°C and nights near 19°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Ilhabela in July

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

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. 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
July 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).