São João Batista weather in May

In May, São João Batista sees average daytime highs of 23°C and overnight lows near 15°C, with 108 mm of rain across 10.5 wet days and about 10.7 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is São João Batista's 2nd-clearest and 10th-windiest month. For the whole year in context, see São João Batista's year-round climate.

Daytime high
23°
8th warmest
Overnight low
15°
5th coldest
Rainfall
108 mm
10.5 wet days
Daylight
10 h 42 min
7:52 AM – 6:31 PM
Cloud cover
60%
2nd clearest
Wind
6 km/h
10th windiest
Solar energy
2.99 kWh/m²
Travel score
6.7
out of 10

São João Batista 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 24°C in the first days to 22°C by the end.

A typical May day in São João Batista reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82415
92415
102315
112315
122315
132315
142315
152315
162315
172315
182315
192315
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302213
312213

São João Batista weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°21521.713.54.0
Feb29° / 21°19619.2134.1
Mar28° / 20°14118.812.24.9
Apr26° / 18°8811.511.46.4
May23° / 15°10810.510.76.7
Jun21° / 13°989.210.36.6
Jul21° / 12°909.410.56.5
Aug22° / 13°919.5116.6
Sep22° / 15°14712.911.86.0
Oct24° / 17°13615.212.75.7
Nov26° / 18°13716.213.35.5
Dec28° / 20°15717.913.74.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74951
84852
94852
104852
114852
124852
134951
144951
154951
164951
174852
184951
194951
204852
214951
224951
234951
244951
254951
264951
274951
284951
295050
305050
315050

Chance of precipitation in May

Any precipitation

São João Batista gets around 108 mm of rain over 10.5 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 34% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
531
631
732
832
933
1033
1134
1234
1335
1436
1536
1637
1737
1838
1938
2038
2137
2237
2336
2436
2535
2634
2734
2833
2933
3032
3132

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1132236255
2132335245
3142435234
4152535224
5152634213
6162634213
7172733202
8172833202
9182933192
10183033181
11193032181
12203032181
13203032171
14213032170
15222932170
16222932170
17232931170
18242831170
19252731160
20262731160
21272631150
22282631150
23292531140
24312531130
25322431130
26332431120
27342431110
28352430100
29362530100
3037253090
3137252980

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:43 AM to 8:00 AM, and sunset from 6:42 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:436:42
211.07:446:41
310.97:446:40
410.97:456:39
510.97:466:39
610.97:466:38
710.87:476:37
810.87:476:36
910.87:486:36
1010.87:486:35
1110.87:496:34
1210.77:506:34
1310.77:506:33
1410.77:516:33
1510.77:516:32
1610.77:526:31
1710.67:526:31
1810.67:536:30
1910.67:546:30
2010.67:546:29
2110.67:556:29
2210.67:556:28
2310.57:566:28
2410.57:566:28
2510.57:576:27
2610.57:586:27
2710.57:586:27
2810.57:596:26
2910.47:596:26
3010.48:006:26
3110.48:006:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.99 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 5.59 kWh/m² in December across the year — May's 2.99 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit São João Batista?

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

6.7
Sightseeing
1st-best month of the year
5.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit São João Batista for sightseeing.

What to pack for São João Batista in May

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

In May, São João Batista sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

Sea temperature near São João Batista in May

The nearest coast averages about 22°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 48 km away) is warmest in February at about 26°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 6 to Jun 10 — about 8.2 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr24Warm
May22Refreshing
Jun20Cool
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov23Refreshing
Dec24Warm

UV index in São João Batista 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 São João Batista peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is São João Batista?

São João Batista sits at 27.3°S, 48.8°W, 32 m above sea level, in Brazil. The nearest listed city is Brusque, 21 km away.

Topography around São João Batista

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

Within 3 km, the terrain around São João Batista has only modest variations in elevation — a maximum elevation change of 201 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 981 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,750 m.

The land around São João Batista is covered by trees (51%) and grassland (29%) within 3 km, trees (82%) within 16 km, and trees (58%) and water (28%) within 80 km.

3 km
201 m
16 km
981 m
80 km
1,750 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Brusque 21 km · Tijucas 22 km · Guabiruba 24 km · Governador Celso Ramos 29 km · Biguaçu 31 km · Itapema 31 km · Porto Belo 32 km · Camboriú 34 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 João Batista (-27.2761°, -48.8494°, elevation 32 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).