Balneário Gaivota weather in May

In May, Balneário Gaivota sees average daytime highs of 20°C and overnight lows near 18°C, with 122 mm of rain across 10.2 wet days and about 10.6 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 18 min by month's end. Set against the rest of the year, May is Balneário Gaivota's 4th-clearest and 9th-windiest month. For the whole year in context, see Balneário Gaivota's year-round climate.

Daytime high
20°
7th warmest
Overnight low
18°
5th coldest
Rainfall
122 mm
10.2 wet days
Daylight
10 h 30 min
7:58 AM – 6:31 PM
Cloud cover
51%
4th clearest
Wind
16 km/h
9th windiest
Solar energy
3.13 kWh/m²
Travel score
6.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical May day in Balneário Gaivota reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 22°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12119
22119
32119
42119
52119
62119
72119
82119
92118
102118
112118
122118
132018
142018
152018
162018
172018
182018
192018
202018
212017
222017
232017
242017
252017
261917
271917
281917
291917
301917
311917

Balneário Gaivota weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 23°11513.613.76.4
Feb25° / 23°9111.9136.4
Mar24° / 22°9613.312.26.6
Apr23° / 21°901111.36.8
May20° / 18°12210.210.66.5
Jun18° / 16°999.510.26.1
Jul17° / 14°12210.110.35.6
Aug17° / 15°1099.9115.9
Sep18° / 16°13311.511.85.8
Oct20° / 18°14113.812.75.7
Nov22° / 20°10211.213.56.4
Dec23° / 21°9110.913.86.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65743
75743
85743
95743
105842
115842
125842
135842
145842
155941
165941
175941
185941
196040
206040
216139
226139
236139
246139
256139
266238
276238
286238
296139
306139
316139

Chance of precipitation in May

Any precipitation

Balneário Gaivota gets around 122 mm of rain over 10.2 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
333
433
533
633
733
833
933
1033
1133
1233
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2333
2433
2533
2633
2732
2832
2932
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 31% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1132031316
2132131305
3142231304
4142331294
5142331283
6142431282
7152532272
8152532262
9162632261
10162632251
11172632241
12172632241
13182632230
14182633230
15192633220
16202633220
17202533210
18212533200
19222533190
20232533180
21242533180
22252632170
23262632160
24272631150
25282730150
26292730140
27302829130
28302829120
29312929120
30312929110
31322929100

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2117light breeze
2217light breeze
2317light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 18 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 7:49 AM to 8:07 AM, and sunset from 6:42 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:496:42
210.97:496:41
310.87:506:41
410.87:516:40
510.87:516:39
610.87:526:38
710.77:526:37
810.77:536:36
910.77:546:36
1010.77:546:35
1110.77:556:34
1210.67:566:34
1310.67:566:33
1410.67:576:32
1510.67:586:32
1610.57:586:31
1710.57:596:30
1810.57:596:30
1910.58:006:29
2010.58:016:29
2110.48:016:28
2210.48:026:28
2310.48:026:27
2410.48:036:27
2510.48:046:26
2610.48:046:26
2710.38:056:26
2810.38:056:25
2910.38:066:25
3010.38:066:25
3110.38:076:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.13 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.62 kWh/m² in December across the year — May's 3.13 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Is May a good time to visit Balneário Gaivota?

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
3.5
Beach & pool
7th-best month of the year

May is a reasonable time to visit Balneário Gaivota for sightseeing.

What to pack for Balneário Gaivota in May

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

In May, Balneário Gaivota sees daytime highs around 20°C and nights near 18°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Balneário Gaivota in May

The nearest coast averages about 21°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 20 km away) is warmest in February at about 25°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 1 to May 27 — about 6.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr23Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct19Cool
Nov21Refreshing
Dec23Refreshing

UV index in Balneário Gaivota in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Balneário Gaivota peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 22UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Balneário Gaivota?

Balneário Gaivota sits at 29.2°S, 49.6°W, 6 m above sea level, in Brazil. The nearest listed city is Sombrio, 6.0 km away.

Topography around Balneário Gaivota

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

Within 3 km, the terrain around Balneário Gaivota has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 291 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,483 m.

The land around Balneário Gaivota is covered by water (40%) and grassland (28%) within 3 km, water (53%) within 16 km, and trees (34%), water (33%) and grassland (22%) within 80 km.

3 km
19 m
16 km
291 m
80 km
1,483 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Sombrio 6.0 km · Torres 24 km · Balneário Arroio do Silva 25 km · Araranguá 26 km · Forquilhinha 47 km · Balneário Rincão 49 km · Içara 56 km · Criciúma 57 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 Balneário Gaivota (-29.1567°, -49.5794°, elevation 6 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).