Iguape in Fall

In fall (March, April and May), Iguape sees average daytime highs around 25°C and overnight lows near 22°C, with 380 mm of rain over about 46 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 28°C in early March to 23°C by late May. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels oppressive.

Fall is Iguape's 3rd-best season to visit on our travel score. For the whole year in context, see Iguape's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
22°C
Rainfall
380 mm
46 wet days
Avg wind
12 km/h
Travel score
5.9
3rd-best season
Months
Mar · Apr · May

Temperature in Iguape in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 28°C in early March to 23°C by late May.

A typical fall day in Iguape 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°35°MarAprMay

Iguape 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
Jan28° / 24°21720.113.44.8
Feb28° / 24°2061712.94.9
Mar27° / 24°17318.812.25.2
Apr26° / 22°10313.811.46.1
May23° / 20°10313.310.86.4
Jun22° / 18°909.810.56.7
Jul21° / 17°859.910.66.6
Aug21° / 17°659.111.16.6
Sep22° / 19°10412.711.86.1
Oct23° / 20°10514.212.65.9
Nov25° / 22°11114.813.25.9
Dec27° / 23°1401613.55.5

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

Iguape gets around 380 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 12 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 4.1 kWh/m².

0246MarAprMay
Planning a trip in fall

Is fall a good time to visit Iguape?

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.

5.9
Sightseeing
3rd-best month of the year
5.4
Beach & pool
1st-best month of the year

fall is a reasonable time to visit Iguape for sightseeing.

What to pack for Iguape in Fall

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

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

light clothesrain gearsun protection

Sea temperature near Iguape 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 20 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 6 to Jul 12 — about 10.2 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May23Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep20Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Iguape 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 Iguape peaks around January 19 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 highExtremeJan 19UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7High
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Iguape 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 Iguape is worst in July — around 19 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (March, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 2319 µg/m³Mar 1510 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar10Good
Apr11Good
May13Moderate
Jun18Moderate
Jul19Moderate
Aug19Moderate
Sep17Moderate
Oct14Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Iguape?

Iguape sits at 24.7°S, 47.6°W, 8 m above sea level, in Brazil. The nearest listed city is Pariquera-Açu, 33 km away.

Topography around Iguape

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

Within 3 km, the terrain around Iguape has significant variations in elevation — a maximum elevation change of 348 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 494 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,482 m.

The land around Iguape is covered by trees (44%) within 3 km, trees (51%) and water (36%) within 16 km, and trees (63%) and water (32%) within 80 km.

3 km
348 m
16 km
494 m
80 km
1,482 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
Fall weather nearby: Pariquera-Açu 33 km · Registro 38 km · Juquiá 44 km · Jacupiranga 45 km · Miracatu 48 km · Cajati 57 km · Itariri 60 km · Peruíbe 71 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 Iguape (-24.7081°, -47.5553°, elevation 8 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.