Igaraçu do Tietê weather in May

In May, Igaraçu do Tietê sees average daytime highs of 25°C and overnight lows near 15°C, with 56 mm of rain across 6.2 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 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Igaraçu do Tietê's 6th-clearest and 7th-windiest month. For the whole year in context, see Igaraçu do Tietê's year-round climate.

Daytime high
25°
10th warmest
Overnight low
15°
4th coldest
Rainfall
56 mm
6.2 wet days
Daylight
10 h 54 min
7:43 AM – 6:38 PM
Cloud cover
49%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.96 kWh/m²
Travel score
7.6
out of 10

Igaraçu do Tietê 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 24°C by the end.

A typical May day in Igaraçu do Tietê reaches about 25°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 21°C and 29°C. Set against its neighbours, May runs about 3°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32617
42616
52616
62616
72616
82616
92616
102616
112516
122516
132516
142516
152515
162515
172515
182515
192515
202515
212415
222415
232415
242415
252415
262415
272415
282415
292415
302415
312415

Igaraçu do Tietê 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° / 21°24122.313.23.8
Feb29° / 21°17518.912.83.9
Mar29° / 20°13216.712.24.7
Apr28° / 18°567.411.56.6
May25° / 15°566.210.97.6
Jun25° / 14°404.410.68.1
Jul25° / 14°313.810.88.3
Aug27° / 14°32411.27.9
Sep28° / 16°657.511.96.4
Oct29° / 18°11212.512.55.1
Nov29° / 19°1471513.14.8
Dec29° / 20°18319.813.44.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% 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 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46535
56535
66436
76337
86238
96040
106040
115941
125842
135842
145743
155644
165545
175545
185644
195545
205545
215545
225644
235545
245545
255545
265545
275644
285644
295743
305743
315842

Chance of precipitation in May

Any precipitation

Igaraçu do Tietê gets around 56 mm of rain over 6.2 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 20% and peaks near 24% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
217
316
416
516
616
717
817
917
1018
1118
1219
1319
1420
1521
1621
1722
1822
1922
2023
2123
2223
2323
2423
2523
2624
2724
2823
2923
3023
3122

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113344012
215354011
31636399
41736398
51837387
61838377
71938376
81939366
92040355
102040355
112041345
122141344
132142334
142142334
152143324
162243324
172243314
182243314
192343304
202343304
212442304
222542304
232641304
242640304
252739304
262839303
272938303
282937303
293037303
303036303
313136303

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 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 30 minutes over May. Sunrise moves from 7:36 AM to 7:50 AM, and sunset from 6:47 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:366:47
211.27:366:46
311.17:376:45
411.17:376:45
511.17:386:44
611.17:386:44
711.17:396:43
811.17:396:42
911.07:406:42
1011.07:406:41
1111.07:406:41
1211.07:416:40
1311.07:416:40
1411.07:426:39
1510.97:426:39
1610.97:436:38
1710.97:436:38
1810.97:446:37
1910.97:446:37
2010.97:456:37
2110.97:456:36
2210.87:466:36
2310.87:466:36
2410.87:466:35
2510.87:476:35
2610.87:476:35
2710.87:486:34
2810.87:486:34
2910.87:496:34
3010.77:496:34
3110.77:506:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.96 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 5.98 kWh/m² in November across the year — May's 3.96 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.1Bright
114.1Bright
124.0Bright
134.0Bright
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for Igaraçu do Tietê

In seasonPeak

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

Igaraçu do Tietê'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 Igaraçu do Tietê?

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

7.6
Sightseeing
4th-best month of the year
6.9
Beach & pool
6th-best month of the year

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

What to pack for Igaraçu do Tietê in May

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

In May, Igaraçu do Tietê sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Igaraçu do Tietê 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 Igaraçu do Tietê peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (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 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Igaraçu do Tietê 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 Igaraçu do Tietê is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1022 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun14Moderate
Jul14Moderate
Aug22Moderate
Sep22Moderate
Oct17Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Igaraçu do Tietê?

Igaraçu do Tietê sits at 22.5°S, 48.6°W, 496 m above sea level, in Brazil. The nearest listed city is Barra Bonita, 2.0 km away.

Topography around Igaraçu do Tietê

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

Within 3 km, the terrain around Igaraçu do Tietê has only modest variations in elevation — a maximum elevation change of 126 m around an average of 480 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 330 m; within 80 km, large variations in elevation — a maximum elevation change of 679 m.

The land around Igaraçu do Tietê is covered by cropland (32%), artificial surfaces (27%) and trees (20%) within 3 km, cropland (65%) within 16 km, and cropland (44%) and trees (38%) within 80 km.

3 km
126 m
16 km
330 m
80 km
679 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Barra Bonita 2.0 km · Macatuba 16 km · Jaú 24 km · Dois Córregos 24 km · São Manuel 25 km · Lençóis Paulista 27 km · Pederneiras 28 km · Botucatu 43 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 Igaraçu do Tietê (-22.5092°, -48.5578°, elevation 496 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).