Ibiúna weather in May

In May, Ibiúna sees average daytime highs of 22°C and overnight lows near 14°C, with 68 mm of rain across 8.7 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 32% 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 Ibiúna's 4th-clearest and 8th-windiest month. For the whole year in context, see Ibiúna's year-round climate.

Daytime high
22°
10th warmest
Overnight low
14°
4th coldest
Rainfall
68 mm
8.7 wet days
Daylight
10 h 54 min
7:39 AM – 6:31 PM
Cloud cover
59%
4th clearest
Wind
10 km/h
8th windiest
Solar energy
3.51 kWh/m²
Travel score
6.8
out of 10

Ibiúna 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 23°C in the first days to 21°C by the end.

A typical May day in Ibiúna reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, May runs about 3°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52314
62314
72314
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182214
192114
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113
312113

Ibiúna weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°2752513.34.2
Feb27° / 19°21421.812.84.3
Mar26° / 18°18021.712.24.9
Apr25° / 16°7811.911.56.5
May22° / 14°688.710.96.8
Jun21° / 13°58610.67.2
Jul21° / 12°595.810.77.3
Aug22° / 13°465.511.27.6
Sep23° / 14°999.911.96.8
Oct24° / 15°13015.612.65.8
Nov25° / 16°1691813.15.4
Dec26° / 18°20822.313.44.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35149
45149
55050
64852
74852
84753
94753
104654
114555
124456
134555
144555
154555
164555
174555
184456
194456
204555
214654
224555
234555
244654
254654
264654
274753
284654
294753
304753
314852

Chance of precipitation in May

Any precipitation

Ibiúna gets around 68 mm of rain over 8.7 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 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
327
426
526
626
726
826
926
1027
1127
1227
1327
1428
1528
1628
1729
1829
1929
2029
2129
2229
2329
2429
2529
2629
2729
2829
2929
3029
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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11641375
21742365
31943354
42043343
52144323
62244312
72345302
82346292
92447272
102548262
112548252
122649242
132651221
142751211
152850211
162851201
172951191
183050191
193051181
203150181
213349171
223448171
233548171
243647161
253846160
263945160
274044150
284144150
294243150
304242150
314342140

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
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 6:40 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:326:40
211.17:336:39
311.17:336:39
411.17:346:38
511.17:346:37
611.07:346:37
711.07:356:36
811.07:356:35
911.07:366:35
1011.07:366:34
1110.97:376:34
1210.97:376:33
1310.97:386:32
1410.97:386:32
1510.97:396:31
1610.97:396:31
1710.87:406:31
1810.87:406:30
1910.87:416:30
2010.87:416:29
2110.87:426:29
2210.87:426:29
2310.87:436:28
2410.77:436:28
2510.77:446:28
2610.77:446:27
2710.77:456:27
2810.77:456:27
2910.77:466:27
3010.77:466:26
3110.77:466:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.51 kWh/m².

For context, solar energy here swings from a low near 3.23 kWh/m² to a high of 5.63 kWh/m² in December across the year — May's 3.51 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.2Moderate
313.2Moderate
Planning a trip in May

Hazard calendar for Ibiúna

In seasonPeak

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

Ibiúna'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 Ibiúna?

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

6.8
Sightseeing
4th-best month of the year
4.7
Beach & pool
6th-best month of the year

May is a reasonable time to visit Ibiúna for sightseeing.

What to pack for Ibiúna in May

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

In May, Ibiúna sees daytime highs around 22°C and nights near 14°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Ibiúna 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 Ibiúna peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 21UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ibiúna 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 Ibiúna 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 Ibiúna?

Ibiúna sits at 23.7°S, 47.2°W, 868 m above sea level, in Brazil. The nearest listed city is Mairinque, 13 km away.

Topography around Ibiúna

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

Within 3 km, the terrain around Ibiúna has only modest variations in elevation — a maximum elevation change of 150 m around an average of 876 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 403 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,388 m.

The land around Ibiúna is covered by trees (47%) and grassland (32%) within 3 km, trees (58%) and grassland (31%) within 16 km, and trees (61%) within 80 km.

3 km
150 m
16 km
403 m
80 km
1,388 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Mairinque 13 km · Alumínio 14 km · São Roque 17 km · Vargem Grande Paulista 21 km · Piedade 22 km · Votorantim 25 km · Araçariguama 29 km · Sorocaba 30 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 Ibiúna (-23.6564°, -47.2225°, elevation 868 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).