Sertãozinho weather in May

In May, Sertãozinho sees average daytime highs of 27°C and overnight lows near 16°C, with 41 mm of rain across 5.5 wet days and about 11 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 49% 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 48 min by month's end. Set against the rest of the year, May is Sertãozinho's 5th-clearest and 7th-windiest month. For the whole year in context, see Sertãozinho's year-round climate.

Daytime high
27°
11th warmest
Overnight low
16°
4th coldest
Rainfall
41 mm
5.5 wet days
Daylight
11 hours
7:38 AM – 6:38 PM
Cloud cover
45%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
4.21 kWh/m²
Travel score
7.3
out of 10

Sertãozinho 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 28°C in the first days to 26°C by the end.

A typical May day in Sertãozinho reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212616
222616
232616
242615
252615
262615
272615
282615
292615
302615
312615

How May really feels in Sertãozinho

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sertãozinho weather by month

How May compares with the rest of the year at a glance. May is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°23821.313.13.6
Feb30° / 21°15717.612.73.8
Mar30° / 21°14317.112.14.3
Apr29° / 19°568.211.55.7
May27° / 16°415.5117.3
Jun27° / 15°252.710.78.0
Jul27° / 15°192.410.88.1
Aug29° / 16°192.511.36.7
Sep31° / 18°636.911.95.1
Oct31° / 20°10412.212.54.2
Nov30° / 20°15415.9134.1
Dec30° / 21°19520.813.33.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37030
46931
56931
66832
76634
86535
96436
106337
116238
126238
136139
146139
156139
166040
176040
186139
196040
206040
216139
226238
236238
246337
256337
266436
276436
286436
296634
306634
316634

Chance of precipitation in May

Any precipitation

Sertãozinho gets around 41 mm of rain over 5.5 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 18% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
216
316
415
515
615
715
815
915
1015
1115
1216
1316
1417
1517
1618
1718
1819
1920
2020
2121
2221
2321
2421
2521
2621
2721
2820
2920
3019
3118

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113333716
215343615
316353514
416363512
517373411
618373410
719383410
81938339
92038339
102038339
112138338
122138338
132238338
142238337
152337337
162337337
172336347
182436347
192435347
202535346
212535346
222535346
232635336
242635335
252636335
262636335
272636335
282636334
292637334
302637324
312738324

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 48 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 7:45 AM, and sunset from 6:46 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:326:46
211.27:336:46
311.27:336:45
411.27:336:44
511.27:346:44
611.17:346:43
711.17:356:43
811.17:356:42
911.17:356:41
1011.17:366:41
1111.17:366:40
1211.17:376:40
1311.07:376:39
1411.07:376:39
1511.07:386:39
1611.07:386:38
1711.07:396:38
1811.07:396:37
1911.07:406:37
2010.97:406:37
2110.97:406:36
2210.97:416:36
2310.97:416:36
2410.97:426:35
2510.97:426:35
2610.97:436:35
2710.97:436:35
2810.87:446:34
2910.87:446:34
3010.87:446:34
3110.87:456:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.21 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 5.99 kWh/m² in October across the year — May's 4.21 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.0Bright
214.0Bright
224.0Bright
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Hazard calendar for Sertãozinho

In seasonPeak

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

Sertãozinho's monsoon runs November–March, when most of the year's rain falls.

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

Is May a good time to visit Sertãozinho?

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

7.3
Sightseeing
3rd-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Sertãozinho in May

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

In May, Sertãozinho sees daytime highs around 27°C and nights near 16°C. Pack light clothes. About 6 days see rain.

light clothes

UV index in Sertãozinho 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 Sertãozinho peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 19UV 15Jun 22UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Sertãozinho 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 Sertãozinho is worst in September — around 46 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (November, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1344 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar11Good
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug35Moderate
Sep46Poor
Oct18Moderate
Nov9Good
Dec10Good
Location & terrain

Where is Sertãozinho?

Sertãozinho sits at 21.1°S, 48.0°W, 547 m above sea level, in Brazil. The nearest listed city is Pontal, 14 km away.

Topography around Sertãozinho

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

Within 3 km, the terrain around Sertãozinho has only modest variations in elevation — a maximum elevation change of 102 m around an average of 559 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 301 m; within 80 km, large variations in elevation — a maximum elevation change of 660 m.

The land around Sertãozinho is covered by artificial surfaces (57%) within 3 km, cropland (71%) within 16 km, and cropland (67%) and trees (22%) within 80 km.

3 km
102 m
16 km
301 m
80 km
660 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Pontal 14 km · Barrinha 19 km · Ribeirão Preto 19 km · Pradópolis 26 km · Jardinópolis 27 km · Pitangueiras 28 km · Guariba 35 km · Cravinhos 35 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 Sertãozinho (-21.1378°, -47.9903°, elevation 547 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).