Iguape weather in May

In May, Iguape sees average daytime highs of 23°C and overnight lows near 20°C, with 103 mm of rain across 13.3 wet days and about 10.8 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 23°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 36 min by month's end. Set against the rest of the year, May is Iguape's 4th-clearest and 9th-windiest month. For the whole year in context, see Iguape's year-round climate.

Daytime high
23°
7th warmest
Overnight low
20°
5th coldest
Rainfall
103 mm
13.3 wet days
Daylight
10 h 48 min
7:42 AM – 6:31 PM
Cloud cover
58%
4th clearest
Wind
12 km/h
9th windiest
Solar energy
3.24 kWh/m²
Travel score
6.4
out of 10

Iguape is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 23°C by the end.

A typical May day in Iguape reaches about 23°C in the afternoon and slips back to 20°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32421
42421
52421
62421
72421
82420
92420
102420
112420
122420
132420
142320
152320
162320
172320
182320
192320
202320
212320
222319
232319
242319
252319
262319
272319
282319
292319
302319
312319

Iguape weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65545
75446
85446
95347
105149
115050
125050
135050
145050
154951
164951
174852
184852
194852
204951
214951
224951
235050
245050
255050
265149
275050
285050
295050
305050
315050

Chance of precipitation in May

Any precipitation

Iguape gets around 103 mm of rain over 13.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
243
343
443
543
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1743
1843
1943
2043
2143
2243
2343
2443
2543
2643
2743
2842
2942
3042
3141

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1171947241
2272047231
3282147221
4282247201
5282347191
6292447181
7192647170
8192747150
9192847140
10192947130
111103047120
122103147110
132103247100
14210324790
15210334780
16210344780
17210344670
18310354670
19310354660
20310354560
21411364550
22411364450
23511364440
24512364340
25513364340
26513364230
27614364130
28615364130
29615364030
30616364020
31616364020

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 7:35 AM to 7:50 AM, and sunset from 6:40 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:356:40
211.17:356:39
311.07:366:39
411.07:366:38
511.07:376:37
611.07:376:36
711.07:386:36
810.97:386:35
910.97:396:35
1010.97:396:34
1110.97:406:33
1210.97:406:33
1310.97:416:32
1410.87:416:32
1510.87:426:31
1610.87:426:31
1710.87:436:30
1810.87:436:30
1910.87:446:29
2010.77:446:29
2110.77:456:28
2210.77:456:28
2310.77:466:28
2410.77:466:27
2510.77:476:27
2610.77:476:27
2710.67:486:26
2810.67:486:26
2910.67:496:26
3010.67:496:26
3110.67:506:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.24 kWh/m².

For context, solar energy here swings from a low near 2.83 kWh/m² to a high of 5.97 kWh/m² in December across the year — May's 3.24 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Is May a good time to visit Iguape?

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

6.4
Sightseeing
4th-best month of the year
5.2
Beach & pool
7th-best month of the year

May is a reasonable time to visit Iguape for sightseeing.

What to pack for Iguape in May

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

In May, Iguape sees daytime highs around 23°C and nights near 20°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Iguape in May

The nearest coast averages about 23°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. 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 May

GoodModeratePoorUnhealthyVery unhealthy

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