Ubatuba weather in March

In March, Ubatuba sees average daytime highs of 25°C and overnight lows near 23°C, with 189 mm of rain across 15.3 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 32% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Ubatuba's 7th-clearest and 11th-windiest month. For the whole year in context, see Ubatuba's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
189 mm
15.3 wet days
Daylight
12 h 12 min
7:05 AM – 7:15 PM
Cloud cover
59%
7th clearest
Wind
10 km/h
11th windiest
Solar energy
4.98 kWh/m²
Travel score
6.0
out of 10

Ubatuba is human settlement in Brazil.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical March day in Ubatuba reaches about 25°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52524
62524
72524
82524
92524
102524
112524
122524
132524
142524
152523
162523
172523
182523
192523
202523
212523
222523
232523
242523
252523
262523
272523
282523
292523
302523
312523

Ubatuba weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 2nd-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54951
64951
74852
84852
94753
104753
114654
124753
134753
144654
154654
164654
174654
184555
194654
204654
214753
224852
234951
244951
255050
265149
275248
285347
295446
305545
315644

Chance of precipitation in March

Any precipitation

Ubatuba gets around 189 mm of rain over 15.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
448
548
648
749
849
949
1050
1150
1250
1351
1451
1551
1651
1752
1852
1952
2051
2151
2251
2351
2451
2550
2650
2750
2850
2950
3050
3150

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
102176516
202176516
302176615
402176615
502176714
602176714
702176813
802176912
902186812
1002186911
1102196811
1202196910
1302206810
140221689
150322669
160323668
170324658
180425638
190426637
200427627
210528616
220529606
230629596
240630586
250630595
260730585
270731575
280731575
290831565
301831555
311931545

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 30 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over March. Sunrise moves from 6:58 AM to 7:11 AM, and sunset from 7:29 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:587:29
212.56:597:28
312.56:597:27
412.47:007:26
512.47:007:25
612.47:017:24
712.47:017:24
812.47:017:23
912.37:027:22
1012.37:027:21
1112.37:037:20
1212.37:037:19
1312.27:047:18
1412.27:047:17
1512.27:047:16
1612.27:057:15
1712.17:057:14
1812.17:067:13
1912.17:067:12
2012.17:067:11
2112.17:077:10
2212.07:077:09
2312.07:087:08
2412.07:087:07
2512.07:087:06
2611.97:097:05
2711.97:097:04
2811.97:107:03
2911.97:107:02
3011.87:107:01
3111.87:117:00

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.98 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 — March's 4.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in March

Is March a good time to visit Ubatuba?

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

6.0
Sightseeing
6th-best month of the year
5.5
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Ubatuba for sightseeing.

What to pack for Ubatuba in March

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

In March, Ubatuba sees daytime highs around 25°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Ubatuba in March

The nearest coast averages about 27°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 11 (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 March

GoodModeratePoorUnhealthyVery unhealthy

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