Caraguatatuba weather in August

In August, Caraguatatuba sees average daytime highs of 22°C and overnight lows near 14°C, with 55 mm of rain across 7.8 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 12th-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 45% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Caraguatatuba's 2nd-clearest and 4th-windiest month. For the whole year in context, see Caraguatatuba's year-round climate.

Daytime high
22°
10th warmest
Overnight low
14°
2nd coldest
Rainfall
55 mm
7.8 wet days
Daylight
11 h 12 min
7:31 AM – 6:41 PM
Cloud cover
50%
2nd clearest
Wind
8 km/h
4th windiest
Solar energy
4.13 kWh/m²
Travel score
7.1
out of 10

Caraguatatuba is human settlement in Brazil.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Caraguatatuba reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182214
192214
202215
212215
222215
232215
242315
252315
262315
272315
282315
292315
302315
312315

Caraguatatuba weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85545
95644
105644
115545
125644
135644
145644
155644
165644
175743
185743
195842
205842
215842
225941
235842
245842
255842
265842
275743
285743
295743
305644
315545

Chance of precipitation in August

Any precipitation

Caraguatatuba gets around 55 mm of rain over 7.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1625
1725
1825
1925
2025
2126
2226
2326
2427
2528
2628
2729
2830
2931
3031
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12457190
22358190
32358190
42357200
52357200
62257210
72257210
82255221
92255221
102155231
112154241
122153251
132152261
142152261
152052271
162051281
172052280
181952290
191951300
201852300
211851310
221751320
231651330
241650340
251551340
261550350
271449360
281449370
291348381
301348391
311247391

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 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
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 54 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over August. Sunrise moves from 7:41 AM to 7:17 AM, and sunset from 6:35 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:416:35
210.97:406:35
310.97:406:35
410.97:396:36
511.07:386:36
611.07:386:37
711.07:376:37
811.07:376:38
911.07:366:38
1011.17:356:39
1111.17:346:39
1211.17:346:39
1311.17:336:40
1411.17:326:40
1511.27:316:41
1611.27:316:41
1711.27:306:41
1811.27:296:42
1911.27:286:42
2011.37:276:43
2111.37:266:43
2211.37:256:43
2311.37:246:44
2411.37:246:44
2511.47:236:44
2611.47:226:45
2711.47:216:45
2811.47:206:46
2911.57:196:46
3011.57:186:46
3111.57:176:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.13 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 — August's 4.13 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Bright
134.0Bright
144.1Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Caraguatatuba

In seasonPeak

None of Caraguatatuba's seasonal hazards are active in August. 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 August a good time to visit Caraguatatuba?

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

7.1
Sightseeing
1st-best month of the year
5.0
Beach & pool
2nd-best month of the year

August is one of the better times to visit Caraguatatuba for general sightseeing.

What to pack for Caraguatatuba in August

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

In August, Caraguatatuba sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Caraguatatuba in August

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

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).