Guarujá weather in March

In March, Guarujá sees average daytime highs of 26°C and overnight lows near 24°C, with 207 mm of rain across 19.5 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 26°C through the month. The sky is clear or mostly clear about 29% 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 Guarujá's 6th-clearest and 11th-windiest month. For the whole year in context, see Guarujá's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
207 mm
19.5 wet days
Daylight
12 h 12 min
7:09 AM – 7:20 PM
Cloud cover
61%
6th clearest
Wind
11 km/h
11th windiest
Solar energy
5.09 kWh/m²
Travel score
5.3
out of 10

Guarujá 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 26°C through the month.

A typical March day in Guarujá reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°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)
12724
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192623
202623
212623
222623
232623
242623
252623
262623
272623
282623
292623
302523
312523

Guarujá 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
Jan26° / 24°22620.913.34.9
Feb27° / 24°19917.412.85.1
Mar26° / 24°20719.512.25.3
Apr25° / 22°12713.411.56.4
May23° / 20°12512.710.96.5
Jun22° / 19°971010.56.8
Jul21° / 18°1151010.76.8
Aug21° / 18°9410.211.26.6
Sep22° / 19°14214.311.95.9
Oct23° / 20°15916.212.65.6
Nov24° / 21°17416.813.25.7
Dec25° / 23°17918.213.55.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54951
64951
74951
84951
94951
104951
114951
124951
134951
144951
154951
164951
174951
184951
194951
204852
214852
224852
234852
244951
255050
265149
275149
285248
295248
305347
315347

Chance of precipitation in March

Any precipitation

Guarujá gets around 207 mm of rain over 19.5 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 62% and peaks near 64% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
362
462
562
662
762
862
963
1063
1163
1263
1363
1463
1564
1664
1764
1864
1964
2064
2164
2263
2363
2463
2562
2661
2761
2860
2959
3058
3157

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 62% 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 (%)
102166418
202166517
302166517
402166517
502166616
602166616
702166715
802166715
903176614
1003176614
1103186613
1203196612
1303196612
1403216511
1503226411
1603236410
1703246310
180325639
190427609
200428608
210429598
220530578
230530587
240531577
250531586
260632566
270632566
280633556
291733536
301733536
311833535

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 11 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
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
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 7:03 AM to 7:16 AM, and sunset from 7:34 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.57:037:34
212.57:037:33
312.57:047:32
412.57:047:31
512.47:057:30
612.47:057:30
712.47:057:29
812.47:067:28
912.37:067:27
1012.37:077:26
1112.37:077:25
1212.37:087:24
1312.27:087:23
1412.27:097:22
1512.27:097:21
1612.27:097:20
1712.17:107:19
1812.17:107:18
1912.17:117:17
2012.17:117:16
2112.17:127:15
2212.07:127:14
2312.07:127:13
2412.07:137:12
2512.07:137:11
2611.97:147:10
2711.97:147:09
2811.97:147:08
2911.97:157:07
3011.87:157:05
3111.87:167:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.09 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 6.1 kWh/m² in December across the year — March's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in March

Is March a good time to visit Guarujá?

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

5.3
Sightseeing
10th-best month of the year
5.1
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Guarujá for sightseeing.

What to pack for Guarujá in March

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

In March, Guarujá sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Guarujá 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 19 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°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Guarujá in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guarujá peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeFeb 10UV 14Jul 12UV 5
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar10Very high
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Guarujá 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 Guarujá is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Guarujá?

Guarujá sits at 24.0°S, 46.3°W, 13 m above sea level, in Brazil. The nearest listed city is Santos, 9.0 km away.

Topography around Guarujá

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

Within 3 km, the terrain around Guarujá has significant variations in elevation — a maximum elevation change of 278 m around an average of 17 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 932 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Guarujá is covered by water (36%), artificial surfaces (33%) and trees (23%) within 3 km, water (62%) and trees (21%) within 16 km, and water (50%) and trees (35%) within 80 km.

3 km
278 m
16 km
932 m
80 km
1,434 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
March weather nearby: Santos 9.0 km · São Vicente 14 km · Praia Grande 15 km · Bertioga 20 km · Cubatão 20 km · Rio Grande da Serra 31 km · Ribeirão Pires 35 km · Mongaguá 39 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 Guarujá (-23.9931°, -46.2564°, elevation 13 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).