São Pedro weather in May

In May, São Pedro sees average daytime highs of 25°C and overnight lows near 15°C, with 56 mm of rain across 6.5 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 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 43% 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 São Pedro's 5th-clearest and 7th-windiest month. For the whole year in context, see São Pedro's year-round climate.

Daytime high
25°
10th warmest
Overnight low
15°
4th coldest
Rainfall
56 mm
6.5 wet days
Daylight
10 h 54 min
7:40 AM – 6:36 PM
Cloud cover
50%
5th clearest
Wind
8 km/h
7th windiest
Solar energy
3.95 kWh/m²
Travel score
7.5
out of 10

São Pedro 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 São Pedro 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°20°30°151015202531
Avg high (°C)Avg low (°C)
12716
22616
32616
42616
52616
62615
72615
82615
92615
102615
112515
122515
132515
142515
152515
162515
172515
182514
192514
202514
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

São Pedro 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
Jan29° / 20°28823.713.23.7
Feb29° / 20°22820.512.83.8
Mar29° / 20°18319.412.24.5
Apr28° / 18°69911.56.4
May25° / 15°566.510.97.5
Jun25° / 13°404.810.68.0
Jul25° / 13°323.910.88.2
Aug27° / 13°324.111.27.9
Sep28° / 16°698.511.96.3
Oct29° / 18°12713.612.55.0
Nov29° / 19°17616.413.14.7
Dec29° / 20°21621.813.44.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36436
46436
56337
66238
76139
86139
96040
105941
115941
125842
135842
145743
155743
165644
175644
185644
195743
205743
215743
225743
235842
245842
255842
265842
275941
285941
295941
305941
315941

Chance of precipitation in May

Any precipitation

São Pedro gets around 56 mm of rain over 6.5 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 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
218
318
418
518
618
718
818
918
1019
1119
1220
1320
1421
1522
1622
1723
1823
1924
2024
2124
2224
2324
2424
2524
2624
2724
2824
2924
3023
3123

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 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
114353912
215363810
31737379
41838368
51939367
61939356
72040346
82140345
92141335
102241335
112241324
122241324
132342324
142342324
152442313
162442313
172442313
182542303
192541303
202641303
212641293
222740293
232840293
242840293
252939293
263039283
273039283
283138283
293138283
303138283
313238273

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 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 7:34 AM to 7:47 AM, and sunset from 6:44 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:346:44
211.27:346:44
311.17:346:43
411.17:356:42
511.17:356:42
611.17:366:41
711.17:366:40
811.17:376:40
911.07:376:39
1011.07:386:39
1111.07:386:38
1211.07:386:37
1311.07:396:37
1411.07:396:36
1510.97:406:36
1610.97:406:36
1710.97:416:35
1810.97:416:35
1910.97:426:34
2010.97:426:34
2110.87:436:34
2210.87:436:33
2310.87:446:33
2410.87:446:33
2510.87:446:32
2610.87:456:32
2710.87:456:32
2810.87:466:32
2910.87:466:31
3010.77:476:31
3110.77:476:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.95 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 6 kWh/m² in November across the year — May's 3.95 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.2Bright
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
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for São Pedro

In seasonPeak

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

São Pedro'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 São Pedro?

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

7.5
Sightseeing
4th-best month of the year
6.8
Beach & pool
6th-best month of the year

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

What to pack for São Pedro in May

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

In May, São Pedro sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in São Pedro 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 São Pedro peaks around January 20 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 20UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Pedro 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 São Pedro is worst in September — around 25 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1125 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Moderate
Apr14Moderate
May16Moderate
Jun17Moderate
Jul18Moderate
Aug24Moderate
Sep25Moderate
Oct18Moderate
Nov11Good
Dec11Good
Location & terrain

Where is São Pedro?

São Pedro sits at 22.5°S, 47.9°W, 566 m above sea level, in Brazil. The nearest listed city is Charqueada, 15 km away.

Topography around São Pedro

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

Within 3 km, the terrain around São Pedro has significant variations in elevation — a maximum elevation change of 357 m around an average of 579 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 636 m; within 80 km, large variations in elevation — a maximum elevation change of 659 m.

The land around São Pedro is covered by trees (35%), grassland (34%) and artificial surfaces (24%) within 3 km, trees (37%), grassland (32%) and cropland (29%) within 16 km, and cropland (45%) and trees (30%) within 80 km.

3 km
357 m
16 km
636 m
80 km
659 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Charqueada 15 km · Piracicaba 34 km · Itirapina 34 km · Brotas 37 km · Rio Claro 39 km · Santa Gertrudes 41 km · Iracemápolis 41 km · Rio das Pedras 46 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 São Pedro (-22.5486°, -47.9139°, elevation 566 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).