Itaí weather in May

In May, Itaí sees average daytime highs of 24°C and overnight lows near 15°C, with 68 mm of rain across 7.2 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 8th-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 36% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Itaí's 6th-clearest and 7th-windiest month. For the whole year in context, see Itaí's year-round climate.

Daytime high
24°
10th warmest
Overnight low
15°
4th coldest
Rainfall
68 mm
7.2 wet days
Daylight
10 h 54 min
7:46 AM – 6:39 PM
Cloud cover
56%
6th clearest
Wind
10 km/h
7th windiest
Solar energy
3.59 kWh/m²
Travel score
7.3
out of 10

Itaí 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 25°C in the first days to 23°C by the end.

A typical May day in Itaí reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°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)
12516
22516
32516
42516
52516
62515
72515
82515
92415
102415
112415
122415
132415
142415
152415
162415
172315
182315
192314
202314
212314
222314
232314
242314
252314
262314
272314
282314
292314
302314
312314

Itaí weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°23421.813.34.0
Feb29° / 20°17218.912.84.1
Mar28° / 19°12516.312.25.1
Apr27° / 17°617.511.56.9
May24° / 15°687.210.97.3
Jun23° / 13°585.910.67.6
Jul23° / 13°504.910.77.8
Aug25° / 13°46511.28.0
Sep26° / 15°908.811.97.0
Oct27° / 17°11411.912.56.1
Nov28° / 18°13414.113.15.6
Dec28° / 19°16617.913.44.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55644
65545
75446
85347
95149
105050
115050
124951
134852
144753
154753
164654
174654
184654
194654
204753
214852
224753
234852
244951
254951
265050
275050
285050
295149
305149
315248

Chance of precipitation in May

Any precipitation

Itaí gets around 68 mm of rain over 7.2 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 23% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
119
219
319
419
519
619
719
820
920
1020
1121
1221
1321
1422
1522
1623
1724
1824
1925
2025
2126
2226
2327
2427
2528
2628
2728
2828
2928
3028
3128

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11535419
21636408
31737407
41837396
51938385
61938375
72039374
82140364
92140354
102241344
112241333
122342323
132343323
142343313
152344303
162444303
172444293
182544293
192544283
202644273
212744273
222843263
232942263
243042263
253141253
263240253
273339253
283439253
293438253
303537253
313637253

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 7:39 AM to 7:53 AM, and sunset from 6:48 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:396:48
211.17:406:47
311.17:406:46
411.17:416:46
511.17:416:45
611.07:426:44
711.07:426:44
811.07:436:43
911.07:436:43
1011.07:436:42
1111.07:446:41
1210.97:446:41
1310.97:456:40
1410.97:456:40
1510.97:466:39
1610.97:466:39
1710.97:476:38
1810.87:476:38
1910.87:486:38
2010.87:486:37
2110.87:496:37
2210.87:496:36
2310.87:506:36
2410.87:506:36
2510.77:516:35
2610.77:516:35
2710.77:526:35
2810.77:526:35
2910.77:536:34
3010.77:536:34
3110.77:536:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.59 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 5.82 kWh/m² in December across the year — May's 3.59 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Moderate
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
313.3Moderate
Planning a trip in May

Hazard calendar for Itaí

In seasonPeak

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

Itaí'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 Itaí?

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

7.3
Sightseeing
4th-best month of the year
6.1
Beach & pool
5th-best month of the year

May is one of the better times to visit Itaí for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Itaí in May

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

In May, Itaí sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Itaí in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itaí peaks around January 21 at about 15 (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 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Itaí 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 Itaí is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1416 µg/m³Mar 158 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul11Good
Aug14Moderate
Sep16Moderate
Oct13Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Itaí?

Itaí sits at 23.4°S, 49.1°W, 616 m above sea level, in Brazil. The nearest listed city is Taquarituba, 20 km away.

Topography around Itaí

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

Within 3 km, the terrain around Itaí has only modest variations in elevation — a maximum elevation change of 167 m around an average of 634 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 232 m; within 80 km, large variations in elevation — a maximum elevation change of 695 m.

The land around Itaí is covered by cropland (38%), grassland (25%) and trees (24%) within 3 km, cropland (47%) and trees (24%) within 16 km, and cropland (39%), trees (37%) and grassland (20%) within 80 km.

3 km
167 m
16 km
232 m
80 km
695 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Taquarituba 20 km · Paranapanema 38 km · Piraju 39 km · Avaré 39 km · Fartura 43 km · Cerqueira César 43 km · Itaberá 50 km · Itatinga 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 Itaí (-23.4178°, -49.0906°, elevation 616 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. 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).