Praia Grande weather in May

In May, Praia Grande sees average daytime highs of 25°C and overnight lows near 18°C, with 105 mm of rain across 12.4 wet days and about 10.9 hours of daylight. It is the 8th-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 27% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 36 min by month's end. Set against the rest of the year, May is Praia Grande's 4th-clearest and 7th-windiest month. For the whole year in context, see Praia Grande's year-round climate.

Daytime high
25°
8th warmest
Overnight low
18°
5th coldest
Rainfall
105 mm
12.4 wet days
Daylight
10 h 48 min
7:37 AM – 6:27 PM
Cloud cover
60%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
3.5 kWh/m²
Travel score
6.5
out of 10

Praia Grande is 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 Praia Grande reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°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 2°C cooler than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52518
62518
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172418
182417
192417
202417
212417
222417
232417
242417
252417
262417
272417
282417
292417
302417
312417

How May really feels in Praia Grande

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.

Praia Grande weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°33425.913.33.5
Feb29° / 23°30022.212.83.5
Mar28° / 22°27424.212.24.0
Apr27° / 20°13114.911.55.6
May25° / 18°10512.410.96.5
Jun24° / 16°779.110.57.1
Jul23° / 15°879.210.77.2
Aug24° / 16°719.311.27.1
Sep24° / 17°1251411.96.2
Oct25° / 19°15317.112.65.4
Nov26° / 20°19019.113.24.9
Dec28° / 22°23522.413.54.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35149
45050
54951
64951
74951
84852
94753
104753
114654
124555
134555
144456
154456
164357
174456
184357
194357
204456
214456
224456
234555
244456
254456
264456
274555
284456
294555
304456
314456

Chance of precipitation in May

Any precipitation

Praia Grande gets around 105 mm of rain over 12.4 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
441
541
641
741
841
941
1041
1141
1241
1341
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2939
3039
3139

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128294912
239304810
331031489
431032478
531133467
631134456
731236446
831237435
931239424
1031340404
1131342393
1231343383
1331344373
1431346362
1531347352
1631348342
1741349332
1841350321
1941351311
2051450301
2151451291
2261550281
2361551271
2461651261
2571750251
2671850241
2771949241
2872049231
2982148221
3082248221
3182347211

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 36 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 7:29 AM to 7:44 AM, and sunset from 6:36 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:296:36
211.17:306:36
311.17:306:35
411.17:316:34
511.07:316:34
611.07:326:33
711.07:326:32
811.07:336:32
911.07:336:31
1010.97:346:30
1110.97:346:30
1210.97:356:29
1310.97:356:29
1410.97:366:28
1510.97:366:28
1610.87:376:27
1710.87:376:27
1810.87:386:26
1910.87:386:26
2010.87:396:25
2110.87:396:25
2210.87:406:25
2310.77:406:24
2410.77:416:24
2510.77:416:24
2610.77:416:23
2710.77:426:23
2810.77:426:23
2910.77:436:23
3010.67:436:22
3110.67:446:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.5 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 5.91 kWh/m² in December across the year — May's 3.5 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in May

Hazard calendar for Praia Grande

In seasonPeak

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

Praia Grande'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 Praia Grande?

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

6.5
Sightseeing
4th-best month of the year
5.8
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Praia Grande for sightseeing.

What to pack for Praia Grande in May

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

In May, Praia Grande sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Praia Grande in May

The nearest coast averages about 24°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in February at about 27°C and coldest in August near 20°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug20Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Praia Grande in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Praia Grande peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeFeb 10UV 14Jul 12UV 5
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar10Very high
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Praia Grande 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 Praia Grande is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Praia Grande?

Praia Grande sits at 24.0°S, 46.4°W, 11 m above sea level, in Brazil. The nearest listed city is São Vicente, 5.0 km away.

Topography around Praia Grande

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

Within 3 km, the terrain around Praia Grande has significant variations in elevation — a maximum elevation change of 288 m around an average of 16 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 852 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Praia Grande is covered by water (45%), trees (24%) and artificial surfaces (24%) within 3 km, water (51%) and trees (25%) within 16 km, and water (47%) and trees (38%) within 80 km.

3 km
288 m
16 km
852 m
80 km
1,434 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: São Vicente 5.0 km · Santos 9.0 km · Cubatão 13 km · Guarujá 15 km · Mongaguá 24 km · Rio Grande da Serra 29 km · Bertioga 32 km · Ribeirão Pires 33 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 Praia Grande (-24.0058°, -46.4028°, elevation 11 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).