Itu weather in May

In May, Itu sees average daytime highs of 24°C and overnight lows near 15°C, with 63 mm of rain across 6.7 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 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 42% 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 Itu's 6th-clearest and 8th-windiest month. For the whole year in context, see Itu's year-round climate.

Daytime high
24°
10th warmest
Overnight low
15°
4th coldest
Rainfall
63 mm
6.7 wet days
Daylight
10 h 54 min
7:39 AM – 6:32 PM
Cloud cover
51%
6th clearest
Wind
10 km/h
8th windiest
Solar energy
3.81 kWh/m²
Travel score
7.5
out of 10

Itu 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 26°C in the first days to 23°C by the end.

A typical May day in Itu reaches about 24°C in the afternoon and slips back to 15°C overnight — a 10°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)
12616
22616
32616
42616
52616
62515
72515
82515
92515
102515
112515
122515
132515
142515
152415
162415
172415
182415
192415
202414
212414
222414
232414
242414
252414
262414
272414
282314
292314
302314
312314

Itu 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°23721.813.34.1
Feb29° / 20°1621812.84.3
Mar28° / 19°12516.412.25.1
Apr27° / 17°617.911.56.9
May24° / 15°636.710.97.5
Jun24° / 13°485.110.68.0
Jul24° / 13°434.510.78.2
Aug25° / 13°364.411.28.1
Sep27° / 15°828.411.96.9
Oct28° / 17°11212.612.55.9
Nov28° / 18°1421513.15.5
Dec28° / 19°1851913.44.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26436
36436
46337
56238
66139
76040
86040
95842
105842
115743
125743
135743
145644
155644
165545
175545
185545
195545
205545
215545
225545
235545
245545
255545
265545
275545
285545
295545
305644
315644

Chance of precipitation in May

Any precipitation

Itu gets around 63 mm of rain over 6.7 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 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
319
419
519
619
719
819
919
1020
1120
1220
1321
1421
1522
1622
1723
1823
1923
2024
2124
2224
2324
2424
2524
2624
2724
2824
2924
3024
3123

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11540378
21641376
31841365
41942354
52042344
62142333
72243323
82243323
92344313
102345302
112445292
122446282
132546272
142547262
152547262
162648252
172648241
182648241
192748241
202748231
212848231
222947231
233046231
243145231
253245231
263244231
273343231
283442231
293541241
303640241
313639241

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 7:32 AM to 7:46 AM, and sunset from 6:41 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:326:41
211.17:326:40
311.17:336:39
411.17:336:39
511.17:346:38
611.17:346:37
711.07:356:37
811.07:356:36
911.07:366:36
1011.07:366:35
1111.07:376:34
1210.97:376:34
1310.97:386:33
1410.97:386:33
1510.97:386:32
1610.97:396:32
1710.97:396:31
1810.97:406:31
1910.87:406:31
2010.87:416:30
2110.87:416:30
2210.87:426:30
2310.87:426:29
2410.87:436:29
2510.87:436:29
2610.77:446:28
2710.77:446:28
2810.77:456:28
2910.77:456:28
3010.77:466:27
3110.77:466:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.81 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.94 kWh/m² in November across the year — May's 3.81 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Itu

In seasonPeak

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

Itu'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 Itu?

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

7.5
Sightseeing
4th-best month of the year
6.6
Beach & pool
5th-best month of the year

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

What to pack for Itu in May

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

In May, Itu 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 Itu 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 Itu peaks around January 22 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 22UV 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 Itu 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 Itu is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1838 µg/m³Jan 1018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar22Moderate
Apr26Moderate
May31Moderate
Jun35Poor
Jul38Poor
Aug36Poor
Sep35Poor
Oct25Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Itu?

Itu sits at 23.3°S, 47.3°W, 594 m above sea level, in Brazil. The nearest listed city is Salto, 7.0 km away.

Topography around Itu

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

Within 3 km, the terrain around Itu has only modest variations in elevation — a maximum elevation change of 108 m around an average of 585 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 456 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.

The land around Itu is covered by artificial surfaces (53%) within 3 km, trees (38%) and grassland (34%) within 16 km, and trees (42%), grassland (23%) and cropland (22%) within 80 km.

3 km
108 m
16 km
456 m
80 km
931 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Salto 7.0 km · Cabreúva 18 km · Indaiatuba 21 km · Porto Feliz 24 km · Elias Fausto 26 km · Itupeva 28 km · Alumínio 30 km · Sorocaba 31 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 Itu (-23.2642°, -47.2992°, elevation 594 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).