Ubatuba weather in April

In April, Ubatuba sees average daytime highs of 24°C and overnight lows near 22°C, with 134 mm of rain across 12.3 wet days and about 11.5 hours of daylight. It is the 5th-warmest and 8th-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 45% 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 12 min by month's end. Set against the rest of the year, April is Ubatuba's 5th-clearest and 9th-windiest month. For the whole year in context, see Ubatuba's year-round climate.

Daytime high
24°
5th warmest
Overnight low
22°
8th coldest
Rainfall
134 mm
12.3 wet days
Daylight
11 h 30 min
7:17 AM – 6:44 PM
Cloud cover
49%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
4.41 kWh/m²
Travel score
6.7
out of 10

Ubatuba 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 Ubatuba reaches about 24°C in the afternoon and slips back to 22°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 26°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12423
22423
32423
42423
52423
62423
72423
82423
92423
102423
112423
122422
132422
142422
152422
162422
172422
182422
192422
202422
212422
222422
232422
242422
252422
262422
272322
282322
292322
302321

Ubatuba weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 24°20316.113.35.7
Feb26° / 24°1471312.86.0
Mar25° / 23°18915.312.26.0
Apr24° / 22°13412.311.56.7
May22° / 20°12511.910.96.6
Jun22° / 20°1039.910.66.8
Jul21° / 19°1171010.76.8
Aug21° / 19°9310.311.26.7
Sep21° / 19°15414.211.96.0
Oct22° / 20°15815.312.65.7
Nov23° / 21°17215.613.15.7
Dec24° / 22°16414.913.46.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25842
35941
46040
56139
66139
76139
86238
96238
106337
116337
126436
136436
146436
156436
166436
176436
186436
196436
206436
216436
226535
236535
246535
256634
266733
276733
286733
296733
306733

Chance of precipitation in April

Any precipitation

Ubatuba gets around 134 mm of rain over 12.3 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 41% 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
746
845
944
1043
1142
1241
1340
1439
1538
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2637
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 42% 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 (%)
11931554
21931554
311031544
411031544
511031544
621131524
721132523
821132523
921233503
1021233503
1121334493
1221335482
1321335472
1421336462
1521437452
1621438442
1721439431
1821440421
1921541411
2021542391
2131643371
2231644361
2331745341
2431746321
2541847311
2641847291
2741948280
2852048260
2962049250
3062149230

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over April. Sunrise moves from 7:11 AM to 7:23 AM, and sunset from 6:59 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:116:59
211.87:116:58
311.87:126:57
411.77:126:56
511.77:136:55
611.77:136:54
711.77:136:53
811.67:146:52
911.67:146:51
1011.67:146:50
1111.67:156:49
1211.57:156:48
1311.57:166:47
1411.57:166:46
1511.57:166:45
1611.57:176:44
1711.47:176:43
1811.47:186:42
1911.47:186:41
2011.47:186:41
2111.37:196:40
2211.37:196:39
2311.37:206:38
2411.37:206:37
2511.37:216:36
2611.27:216:36
2711.27:216:35
2811.27:226:34
2911.27:226:33
3011.27:236:32

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.41 kWh/m².

For context, solar energy here swings from a low near 3.31 kWh/m² to a high of 5.79 kWh/m² in December across the year — April's 4.41 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
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
274.2Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in April

Is April a good time to visit Ubatuba?

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

6.7
Sightseeing
3rd-best month of the year
5.7
Beach & pool
2nd-best month of the year

April is a reasonable time to visit Ubatuba for sightseeing.

What to pack for Ubatuba in April

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

In April, Ubatuba sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Ubatuba in April

The nearest coast averages about 26°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 21 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
Mar27Warm
Apr26Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Ubatuba 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 Ubatuba 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

Air quality in Ubatuba in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ubatuba is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (March, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Mar 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar9Good
Apr10Good
May12Good
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep18Moderate
Oct12Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Ubatuba?

Ubatuba sits at 23.4°S, 45.1°W, 6 m above sea level, in Brazil. The nearest listed city is Caraguatatuba, 41 km away.

Topography around Ubatuba

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

Within 3 km, the terrain around Ubatuba has significant variations in elevation — a maximum elevation change of 564 m around an average of 52 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,204 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,891 m.

The land around Ubatuba is covered by trees (41%), water (30%) and artificial surfaces (25%) within 3 km, trees (58%) and water (40%) within 16 km, and water (40%), trees (37%) and grassland (20%) within 80 km.

3 km
564 m
16 km
1,204 m
80 km
1,891 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Caraguatatuba 41 km · Cunha 42 km · Paraty 44 km · Ilhabela 48 km · São Sebastião 50 km · Paraibuna 61 km · Taubaté 67 km · Aparecida 67 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 Ubatuba (-23.4339°, -45.0711°, elevation 6 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).