Batatais weather in May

In May, Batatais sees average daytime highs of 26°C and overnight lows near 15°C, with 42 mm of rain across 5.7 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 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 48% 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 Batatais's 5th-clearest and 7th-windiest month. For the whole year in context, see Batatais's year-round climate.

Daytime high
26°
11th warmest
Overnight low
15°
4th coldest
Rainfall
42 mm
5.7 wet days
Daylight
11 hours
7:36 AM – 6:37 PM
Cloud cover
45%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
4.23 kWh/m²
Travel score
7.6
out of 10

Batatais is settlement in São Paulo federated state, 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 27°C in the first days to 25°C by the end.

A typical May day in Batatais reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, May runs about 2°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72616
82616
92616
102616
112616
122615
132615
142615
152615
162615
172615
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282514
292514
302514
312514

Batatais 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
Jan29° / 20°26523.513.13.9
Feb29° / 20°18919.212.74.1
Mar29° / 20°16619.412.14.5
Apr28° / 18°689.511.56.3
May26° / 15°425.7117.6
Jun25° / 14°252.710.88.3
Jul26° / 14°172.410.98.4
Aug28° / 15°172.711.37.7
Sep29° / 18°687.311.95.8
Oct30° / 19°11313.612.54.7
Nov29° / 19°17118134.4
Dec28° / 20°23623.713.23.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27129
37129
47129
56931
66832
76733
86535
96436
106238
116238
126139
136040
145941
155941
165941
175842
185941
195941
206040
216040
226139
236238
246337
256535
266535
276634
286634
296733
306832
316832

Chance of precipitation in May

Any precipitation

Batatais gets around 42 mm of rain over 5.7 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 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
317
417
516
616
716
816
916
1017
1117
1217
1318
1418
1519
1619
1720
1821
1921
2021
2122
2222
2322
2421
2521
2621
2720
2820
2919
3018
3117

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 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
114413311
215423210
31643319
41744318
51844307
61945307
72045306
82045305
92145305
102144305
112244304
122343304
132343304
142442303
152542313
162641312
172640312
182739322
192839322
202839312
212939311
223039311
233039301
243039291
253139291
263140281
273140271
283241271
293242261
303242251
313243241

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
17calm
27calm
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 7:30 AM to 7:43 AM, and sunset from 6:45 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:306:45
211.27:316:44
311.27:316:44
411.27:316:43
511.27:326:42
611.27:326:42
711.17:336:41
811.17:336:41
911.17:336:40
1011.17:346:40
1111.17:346:39
1211.17:356:39
1311.17:356:38
1411.07:356:38
1511.07:366:37
1611.07:366:37
1711.07:376:36
1811.07:376:36
1911.07:386:36
2011.07:386:35
2110.97:386:35
2210.97:396:35
2310.97:396:34
2410.97:406:34
2510.97:406:34
2610.97:416:34
2710.97:416:33
2810.97:416:33
2910.97:426:33
3010.87:426:33
3110.87:436:33

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.23 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 5.99 kWh/m² in October across the year — May's 4.23 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
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.0Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Moderate
314.0Moderate
Planning a trip in May

Hazard calendar for Batatais

In seasonPeak

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

Batatais'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 Batatais?

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
7.2
Beach & pool
5th-best month of the year

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

What to pack for Batatais in May

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

In May, Batatais sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Batatais in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Batatais peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Batatais 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 Batatais is worst in September — around 43 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (November, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1540 µg/m³Nov 229 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May12Good
Jun11Good
Jul11Good
Aug20Moderate
Sep43Poor
Oct15Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Batatais?

Batatais sits at 20.9°S, 47.6°W, 877 m above sea level, in Brazil. The nearest listed city is Brodowski, 14 km away.

Topography around Batatais

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

Within 3 km, the terrain around Batatais has only modest variations in elevation — a maximum elevation change of 147 m around an average of 862 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, large variations in elevation — a maximum elevation change of 825 m.

The land around Batatais is covered by artificial surfaces (40%), cropland (26%) and trees (21%) within 3 km, cropland (63%) and trees (24%) within 16 km, and cropland (53%) and trees (31%) within 80 km.

3 km
147 m
16 km
408 m
80 km
825 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Brodowski 14 km · Jardinópolis 23 km · Altinópolis 27 km · Serrana 36 km · Orlândia 37 km · Ribeirão Preto 40 km · Franca 44 km · São Joaquim da Barra 44 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 Batatais (-20.8911°, -47.585°, elevation 877 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).