Botucatu weather in May

In May, Botucatu sees average daytime highs of 24°C and overnight lows near 14°C, with 67 mm of rain across 7.2 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 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 40% 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 Botucatu's 6th-clearest and 7th-windiest month. For the whole year in context, see Botucatu's year-round climate.

Daytime high
24°
10th warmest
Overnight low
14°
4th coldest
Rainfall
67 mm
7.2 wet days
Daylight
10 h 54 min
7:43 AM – 6:37 PM
Cloud cover
53%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
3.79 kWh/m²
Travel score
7.4
out of 10

Botucatu 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 Botucatu reaches about 24°C in the afternoon and slips back to 14°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 27°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)
12515
22515
32515
42515
52515
62515
72515
82415
92415
102415
112414
122414
132414
142414
152414
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262313
272313
282313
292313
302313
312313

Botucatu 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
Jan28° / 19°3152413.24.0
Feb28° / 19°23220.712.84.1
Mar28° / 19°17319.312.24.9
Apr27° / 17°749.211.56.7
May24° / 14°677.210.97.4
Jun23° / 13°535.410.67.7
Jul23° / 12°464.710.78.0
Aug25° / 13°434.511.28.1
Sep26° / 15°868.911.96.9
Oct27° / 16°14213.612.55.8
Nov27° / 17°17816.613.15.3
Dec28° / 19°23621.313.44.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36238
46238
56139
66040
75842
85743
95743
105545
115545
125347
135347
145248
155149
165149
175050
185050
195050
205149
215149
225248
235248
245248
255248
265347
275347
285347
295347
305446
315545

Chance of precipitation in May

Any precipitation

Botucatu gets around 67 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 24% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
120
220
319
419
519
619
719
820
920
1021
1122
1222
1323
1424
1524
1625
1726
1826
1926
2027
2127
2227
2327
2427
2527
2627
2727
2826
2926
3026
3125

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11638388
21739377
31840366
41940355
52041354
62141344
72242333
82242323
92343313
102344303
112444302
122445292
132545282
142546272
152646272
162646262
172647252
182747252
192747242
202846242
212946242
223045232
233144232
243243232
253343232
263342232
273441232
283540232
293640232
303639232
313738232

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 6:46 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:366:46
211.17:366:45
311.17:376:45
411.17:376:44
511.17:386:43
611.17:386:43
711.17:396:42
811.07:396:41
911.07:406:41
1011.07:406:40
1111.07:416:40
1211.07:416:39
1311.07:426:39
1410.97:426:38
1510.97:426:38
1610.97:436:37
1710.97:436:37
1810.97:446:36
1910.97:446:36
2010.87:456:35
2110.87:456:35
2210.87:466:35
2310.87:466:34
2410.87:476:34
2510.87:476:34
2610.87:486:34
2710.87:486:33
2810.77:496:33
2910.77:496:33
3010.77:496:33
3110.77:506:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.79 kWh/m².

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 5.92 kWh/m² in November across the year — May's 3.79 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
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Botucatu

In seasonPeak

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

Botucatu'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 Botucatu?

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

7.4
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 Botucatu for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Botucatu in May

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

In May, Botucatu sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Botucatu 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 Botucatu 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
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Botucatu 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 Botucatu 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 Botucatu?

Botucatu sits at 22.9°S, 48.4°W, 837 m above sea level, in Brazil. The nearest listed city is São Manuel, 21 km away.

Topography around Botucatu

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

Within 3 km, the terrain around Botucatu has significant variations in elevation — a maximum elevation change of 269 m around an average of 819 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 492 m; within 80 km, large variations in elevation — a maximum elevation change of 657 m.

The land around Botucatu is covered by artificial surfaces (55%) and trees (21%) within 3 km, trees (48%), cropland (26%) and grassland (22%) within 16 km, and cropland (39%), trees (37%) and grassland (20%) within 80 km.

3 km
269 m
16 km
492 m
80 km
657 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: São Manuel 21 km · Itatinga 30 km · Igaraçu do Tietê 43 km · Barra Bonita 45 km · Conchas 47 km · Lençóis Paulista 48 km · Macatuba 51 km · Avaré 55 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 Botucatu (-22.8858°, -48.445°, elevation 837 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).