Caraguatatuba weather in May

In May, Caraguatatuba sees average daytime highs of 22°C and overnight lows near 16°C, with 89 mm of rain across 11.6 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 22°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Caraguatatuba's 4th-clearest and 7th-windiest month. For the whole year in context, see Caraguatatuba's year-round climate.

Daytime high
22°
9th warmest
Overnight low
16°
5th coldest
Rainfall
89 mm
11.6 wet days
Daylight
10 h 54 min
7:32 AM – 6:24 PM
Cloud cover
58%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
3.51 kWh/m²
Travel score
6.5
out of 10

Caraguatatuba is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 22°C by the end.

A typical May day in Caraguatatuba reaches about 22°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32317
42317
52317
62317
72316
82316
92316
102316
112316
122316
132216
142216
152216
162216
172216
182216
192216
202216
212215
222215
232215
242215
252215
262215
272215
282215
292215
302215
312215

Caraguatatuba weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°29726.613.34.0
Feb27° / 21°22223.412.84.1
Mar26° / 20°21424.212.24.5
Apr25° / 18°10614.611.56.1
May22° / 16°8911.610.96.5
Jun22° / 15°618.110.67.0
Jul22° / 14°72810.77.1
Aug22° / 14°557.811.27.1
Sep23° / 16°11113.211.96.3
Oct24° / 17°13216.712.65.6
Nov24° / 18°17820.213.15.1
Dec26° / 20°22423.713.44.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45644
55545
65446
75347
85248
95149
105050
114951
124753
134753
144654
154654
164555
174555
184654
194654
204654
214753
224753
234852
244852
254951
264951
274852
284951
294951
304951
315050

Chance of precipitation in May

Any precipitation

Caraguatatuba gets around 89 mm of rain over 11.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
337
437
537
637
737
837
938
1038
1139
1239
1339
1439
1540
1640
1739
1839
1939
2039
2139
2238
2338
2438
2538
2637
2737
2837
2936
3036
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141851261
241952241
352053220
452253200
552354180
652553170
752752160
852853140
962952130
1063151120
1163251110
1263351100
136345280
147355170
157365070
167375060
177385050
188384950
198394940
209394840
2110394840
2210404730
2311404630
2411414530
2512414430
2612424330
2713424230
2813434230
2913434130
3014434030
3114434030

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:25 AM to 7:39 AM, and sunset from 6:33 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:256:33
211.17:256:32
311.17:266:31
411.17:266:31
511.17:276:30
611.07:276:29
711.07:286:29
811.07:286:28
911.07:296:28
1011.07:296:27
1110.97:306:26
1210.97:306:26
1310.97:316:25
1410.97:316:25
1510.97:326:24
1610.97:326:24
1710.87:326:23
1810.87:336:23
1910.87:336:22
2010.87:346:22
2110.87:346:22
2210.87:356:21
2310.87:356:21
2410.77:366:21
2510.77:366:20
2610.77:376:20
2710.77:376:20
2810.77:386:20
2910.77:386:19
3010.77:396:19
3110.77:396:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.51 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 5.54 kWh/m² in December across the year — May's 3.51 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Caraguatatuba

In seasonPeak

None of Caraguatatuba's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Caraguatatuba's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Caraguatatuba?

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

6.5
Sightseeing
4th-best month of the year
4.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Caraguatatuba for sightseeing.

What to pack for Caraguatatuba in May

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

In May, Caraguatatuba sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Caraguatatuba in May

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

The sea at the nearest coast (about 29 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°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar26Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Caraguatatuba in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caraguatatuba peaks around February 8 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 highExtremeFeb 8UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Caraguatatuba in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Caraguatatuba is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Caraguatatuba?

Caraguatatuba sits at 23.6°S, 45.4°W, 2 m above sea level, in Brazil. The nearest listed city is São Sebastião, 16 km away.

Topography around Caraguatatuba

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

Within 3 km, the terrain around Caraguatatuba has significant variations in elevation — a maximum elevation change of 496 m around an average of 60 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,032 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,703 m.

The land around Caraguatatuba is covered by trees (42%), artificial surfaces (29%) and water (22%) within 3 km, trees (52%) and water (33%) within 16 km, and water (44%) and trees (35%) within 80 km.

3 km
496 m
16 km
1,032 m
80 km
1,703 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: São Sebastião 16 km · Ilhabela 18 km · Paraibuna 36 km · Ubatuba 41 km · Salesópolis 46 km · Biritiba Mirim 64 km · Caçapava 65 km · Jacareí 66 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 Caraguatatuba (-23.6203°, -45.4131°, elevation 2 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).