Itariri weather in May

In May, Itariri sees average daytime highs of 24°C and overnight lows near 16°C, with 107 mm of rain across 12.4 wet days and about 10.8 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels humid.

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 Itariri's 4th-clearest and 7th-windiest month. For the whole year in context, see Itariri's year-round climate.

Daytime high
24°
8th warmest
Overnight low
16°
5th coldest
Rainfall
107 mm
12.4 wet days
Daylight
10 h 48 min
7:40 AM – 6:30 PM
Cloud cover
62%
4th clearest
Wind
6 km/h
7th windiest
Solar energy
3.24 kWh/m²
Travel score
6.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical May day in Itariri reaches about 24°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, May runs about 3°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12518
22518
32517
42517
52517
62517
72417
82417
92417
102417
112417
122417
132417
142417
152417
162416
172416
182316
192316
202316
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316
312315

Itariri weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30125.913.33.5
Feb29° / 22°26722.712.83.6
Mar28° / 21°23123.712.24.2
Apr26° / 19°12515.111.45.7
May24° / 16°10712.410.86.5
Jun23° / 15°809.210.56.9
Jul22° / 14°839.610.66.9
Aug23° / 15°739.511.26.9
Sep24° / 16°12813.911.86.1
Oct25° / 18°14117.512.65.4
Nov26° / 19°16618.913.25.0
Dec28° / 21°21321.813.54.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34456
44456
54456
64456
74357
84357
94258
104060
114060
124060
133961
143961
153961
163961
173961
183961
193961
203961
213961
224060
234159
244159
254159
264258
274159
284159
294258
304258
314357

Chance of precipitation in May

Any precipitation

Itariri gets around 107 mm of rain over 12.4 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
540
640
740
840
940
1040
1140
1240
1340
1441
1541
1641
1741
1841
1941
2041
2141
2241
2341
2441
2541
2640
2740
2840
2940
3040
3139

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131035439
231136428
331236427
431337416
531437405
631538395
731639384
831640373
931741363
1031742353
1141743342
1241744332
1341845322
1441846311
1541847301
1641847291
1751848291
1851848281
1961849271
2061849261
2171849260
2271949250
2381948240
2492048230
2592048220
26102148220
27102247210
28102347200
29112347190
30112446190
31112446180

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
295calm
305calm
315calm

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 7:33 AM to 7:47 AM, and sunset from 6:39 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:336:39
211.17:336:38
311.17:346:38
411.07:346:37
511.07:356:36
611.07:356:36
711.07:366:35
811.07:366:34
910.97:376:34
1010.97:376:33
1110.97:386:32
1210.97:386:32
1310.97:396:31
1410.97:396:31
1510.87:406:30
1610.87:406:30
1710.87:416:29
1810.87:416:29
1910.87:426:28
2010.87:426:28
2110.77:436:28
2210.77:436:27
2310.77:446:27
2410.77:446:26
2510.77:456:26
2610.77:456:26
2710.77:466:26
2810.77:466:25
2910.67:476:25
3010.67:476:25
3110.67:476:25

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 2.9 kWh/m² to a high of 5.5 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
23.6Moderate
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
223.1Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in May

Hazard calendar for Itariri

In seasonPeak

None of Itariri's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Itariri's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Itariri?

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

6.5
Sightseeing
4th-best month of the year
5.3
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Itariri for sightseeing.

What to pack for Itariri in May

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

In May, Itariri sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Itariri in May

The nearest coast averages about 24°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 32 km away) is warmest in February at about 27°C and coldest in August near 20°C.

It's comfortable for a long swim from Aug 19 to Aug 9 — about 11.7 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul20Refreshing
Aug20Cool
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Itariri 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 Itariri peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 21UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7High
Sep7High
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Itariri 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 Itariri is worst in July — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 2033 µg/m³Jan 1817 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar18Moderate
Apr20Moderate
May24Moderate
Jun30Moderate
Jul33Moderate
Aug32Moderate
Sep29Moderate
Oct21Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Itariri?

Itariri sits at 24.3°S, 47.2°W, 60 m above sea level, in Brazil. The nearest listed city is Peruíbe, 18 km away.

Topography around Itariri

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

Within 3 km, the terrain around Itariri has significant variations in elevation — a maximum elevation change of 345 m around an average of 97 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,374 m.

The land around Itariri is covered by trees (84%) within 3 km, trees (96%) within 16 km, and trees (60%) and water (32%) within 80 km.

3 km
345 m
16 km
1,402 m
80 km
1,374 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Peruíbe 18 km · Miracatu 29 km · Itanhaém 41 km · Juquitiba 41 km · Juquiá 47 km · São Lourenço da Serra 54 km · Mongaguá 60 km · Iguape 60 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 Itariri (-24.2892°, -47.1744°, elevation 60 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).