Caraguatatuba weather in January

In January, Caraguatatuba sees average daytime highs of 27°C and overnight lows near 20°C, with 297 mm of rain across 26.6 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Caraguatatuba's 12th-clearest and 11th-windiest month. For the whole year in context, see Caraguatatuba's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
20°
11th coldest
Rainfall
297 mm
26.6 wet days
Daylight
13 h 18 min
6:32 AM – 7:50 PM
Cloud cover
78%
12th clearest
Wind
6 km/h
11th windiest
Solar energy
5.35 kWh/m²
Travel score
4.0
out of 10

Caraguatatuba is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Caraguatatuba reaches about 27°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232721
242721
252721
262721
272721
282721
292721
302721
312721

Caraguatatuba weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52278
62278
72278
82179
92179
102278
112377
122377
132377
142377
152377
162377
172377
182377
192377
202377
212476
222476
232476
242476
252575
262575
272773
282872
292872
302971
312971

Chance of precipitation in January

Any precipitation

Caraguatatuba gets around 297 mm of rain over 26.6 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 85% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
182
283
383
483
583
684
784
885
985
1085
1185
1285
1385
1485
1585
1686
1786
1886
1986
2086
2186
2286
2386
2486
2586
2686
2785
2885
2985
3085
3185

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10126820
20126721
30126622
40116722
50116623
60116623
70106624
80106624
90106525
10196525
11196426
12196426
13196327
14196228
151106128
161106029
171106029
181106029
191115830
201115830
211115731
221125631
231125631
241125532
251115632
261115632
271115632
281105732
291105732
301105732
31195832

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 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
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:22 AM to 6:42 AM, and sunset from 7:48 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:227:48
213.46:227:48
313.46:237:48
413.46:247:49
513.46:247:49
613.46:257:49
713.46:267:49
813.46:267:49
913.46:277:50
1013.46:287:50
1113.46:287:50
1213.46:297:50
1313.36:307:50
1413.36:307:50
1513.36:317:50
1613.36:327:50
1713.36:327:50
1813.36:337:50
1913.36:347:50
2013.36:347:50
2113.26:357:50
2213.26:367:50
2313.26:377:50
2413.26:377:50
2513.26:387:49
2613.26:397:49
2713.26:397:49
2813.16:407:49
2913.16:417:48
3013.16:417:48
3113.16:427:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.35 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 — January's 5.35 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in January

Hazard calendar for Caraguatatuba

In seasonPeak

In January, Caraguatatuba sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 January a good time to visit Caraguatatuba?

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

4.0
Sightseeing
12th-best month of the year
4.0
Beach & pool
12th-best month of the year

January is a reasonable time to visit Caraguatatuba for sightseeing.

What to pack for Caraguatatuba in January

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

In January, Caraguatatuba sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.

rain gearlight clothessun protection

Sea temperature near Caraguatatuba in January

The nearest coast averages about 26°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). 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 January

GoodModeratePoorUnhealthyVery unhealthy

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