Arraial do Cabo in Fall

In fall (March, April and May), Arraial do Cabo sees average daytime highs around 25°C and overnight lows near 23°C, with 219 mm of rain over about 31 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 26°C in early March to 23°C by late May. The sky is clear or mostly clear about 50% of the time across fall, and the air most often feels oppressive.

Fall is Arraial do Cabo's weakest season of the year to visit on our travel score. Arraial do Cabo 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 Arraial do Cabo's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
23°C
Rainfall
219 mm
31 wet days
Avg wind
19 km/h
Travel score
7.1
weakest season of the year
Months
Mar · Apr · May

Temperature in Arraial do Cabo in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 26°C in early March to 23°C by late May.

A typical fall day in Arraial do Cabo reaches about 25°C and drops to 23°C overnight. The warmest of the three months is March, the coolest May.

20°23°25°28°30°MarAprMay

Arraial do Cabo 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
Jan25° / 24°888.313.37.1
Feb26° / 24°52612.87.3
Mar26° / 24°1051112.26.7
Apr25° / 24°579.511.57.2
May24° / 22°5810.110.97.3
Jun23° / 21°346.410.67.8
Jul22° / 21°356.610.77.7
Aug22° / 21°286.111.27.7
Sep22° / 21°477.111.97.4
Oct23° / 21°547.712.57.2
Nov24° / 22°10110.613.16.7
Dec25° / 23°969.713.46.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Arraial do Cabo gets around 219 mm of rain over 31 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%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 19 km/h across fall.

0510152025MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 30 min in early March to 10 h 42 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 4.8 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Arraial do Cabo?

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.

7.1
Sightseeing
4th-best month of the year
6.3
Beach & pool
2nd-best month of the year

fall is one of the better times to visit Arraial do Cabo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Arraial do Cabo in Fall

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

In fall, Arraial do Cabo sees daytime highs around 25°C and nights near 23°C. Worth packing: light clothes, rain gear and sun protection. About 31 days see rain.

light clothesrain gearsun protection

Sea temperature near Arraial do Cabo 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 March at about 25°C and coldest in September near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Refreshing

UV index in Arraial do Cabo in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages 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 Arraial do Cabo peaks around January 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 15UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct11Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Arraial do Cabo?

Arraial do Cabo sits at 23.0°S, 42.0°W, 11 m above sea level, in Brazil. The nearest listed city is Cabo Frio, 9.0 km away.

Topography around Arraial do Cabo

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

Within 3 km, the terrain around Arraial do Cabo has only modest variations in elevation — a maximum elevation change of 164 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Arraial do Cabo is covered by water (59%) within 3 km, water (84%) within 16 km, and water (55%) and trees (23%) within 80 km.

3 km
164 m
16 km
375 m
80 km
1,806 m
treesgrasslandartificial surfacesbare terrainwaterwetland
Fall weather nearby: Cabo Frio 9.0 km · São Pedro da Aldeia 16 km · Iguaba Grande 25 km · Buzios 29 km · Araruama 34 km · Saquarema 46 km · Rio das Ostras 50 km · Silva Jardim 51 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 Arraial do Cabo (-22.9661°, -42.0278°, elevation 11 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.