Guarujá in Fall

In fall (March, April and May), Guarujá sees average daytime highs around 25°C and overnight lows near 22°C, with 458 mm of rain over about 46 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Over the season highs ease from about 26°C in early March to 22°C by late May. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels oppressive.

Fall is Guarujá's 2nd-best season to visit on our travel score. Guarujá has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Guarujá's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
22°C
Rainfall
458 mm
46 wet days
Avg wind
11 km/h
Travel score
6.1
2nd-best season
Months
Mar · Apr · May

Temperature in Guarujá in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 26°C in early March to 22°C by late May.

A typical fall day in Guarujá reaches about 25°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.

15°20°25°30°MarAprMay

Guarujá weather by month

How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.

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 Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Guarujá gets around 458 mm of rain over 46 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%MarAprMay

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Fall

Winds average 11 km/h across fall.

051015MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 30 min in early March to 10 h 36 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.4 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Guarujá?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.1
Sightseeing
2nd-best month of the year
5.3
Beach & pool
1st-best month of the year

fall is a reasonable time to visit Guarujá for sightseeing.

What to pack for Guarujá in Fall

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

In fall, Guarujá sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 46 days see rain.

rain gearlight clothessun protection

Sea temperature near Guarujá in Fall

The nearest coast averages about 25°C across fall — 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 Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 8 (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 Fall

GoodModeratePoorUnhealthyVery unhealthy

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