Laguna weather in May

In May, Laguna sees average daytime highs of 21°C and overnight lows near 18°C, with 136 mm of rain across 11.3 wet days and about 10.6 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 42% 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 Laguna's 4th-clearest and 8th-windiest month. For the whole year in context, see Laguna's year-round climate.

Daytime high
21°
7th warmest
Overnight low
18°
5th coldest
Rainfall
136 mm
11.3 wet days
Daylight
10 h 36 min
7:54 AM – 6:29 PM
Cloud cover
53%
4th clearest
Wind
18 km/h
8th windiest
Solar energy
3.16 kWh/m²
Travel score
6.4
out of 10

Laguna 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 22°C in the first days to 20°C by the end.

A typical May day in Laguna reaches about 21°C in the afternoon and slips back to 18°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°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)
12219
22219
32219
42219
52219
62219
72119
82119
92119
102119
112119
122118
132118
142118
152118
162118
172118
182118
192018
202018
212018
222018
232018
242018
252017
262017
272017
282017
292017
302017
312017

Laguna weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 23°13414.113.66.2
Feb25° / 23°10413.6136.1
Mar25° / 23°11614.712.26.2
Apr23° / 21°9810.911.36.8
May21° / 18°13611.310.66.4
Jun19° / 16°1099.910.26.2
Jul18° / 15°10410.110.46.0
Aug18° / 15°10810.1116.2
Sep19° / 17°12911.911.85.8
Oct21° / 18°13013.912.75.7
Nov22° / 20°10912.313.46.4
Dec24° / 22°9511.413.86.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65545
75545
85545
95545
105545
115545
125545
135545
145545
155545
165644
175644
185644
195644
205644
215644
225743
235842
245842
255842
265842
275842
285842
295842
305743
315842

Chance of precipitation in May

Any precipitation

Laguna gets around 136 mm of rain over 11.3 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
837
937
1037
1137
1237
1337
1437
1537
1637
1737
1837
1936
2036
2136
2236
2336
2436
2536
2635
2735
2835
2935
3034
3134

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
192032327
292132316
3102232316
4102333305
5102333294
6102434293
7102434283
8112534282
9112535272
10122635262
11122635261
12132635251
13132635251
14142535251
15152535250
16162535240
17162535240
18172435230
19182435220
20192435210
21202435200
22212435190
23222535190
24232534180
25242534170
26252634160
27262633150
28262733140
29272733130
30272833120
31272833110

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light 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 7:45 AM to 8:02 AM, and sunset from 6:40 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:456:40
210.97:456:39
310.97:466:38
410.97:466:37
510.87:476:37
610.87:486:36
710.87:486:35
810.87:496:34
910.77:496:34
1010.77:506:33
1110.77:516:32
1210.77:516:32
1310.67:526:31
1410.67:536:30
1510.67:536:30
1610.67:546:29
1710.67:546:28
1810.57:556:28
1910.57:566:27
2010.57:566:27
2110.57:576:26
2210.57:576:26
2310.57:586:25
2410.47:596:25
2510.47:596:25
2610.48:006:24
2710.48:006:24
2810.48:016:23
2910.48:016:23
3010.48:026:23
3110.38:026:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.16 kWh/m².

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 6.63 kWh/m² in December across the year — May's 3.16 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Is May a good time to visit Laguna?

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

6.4
Sightseeing
3rd-best month of the year
3.8
Beach & pool
7th-best month of the year

May is a reasonable time to visit Laguna for sightseeing.

What to pack for Laguna in May

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

In May, Laguna sees daytime highs around 21°C and nights near 18°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Laguna 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 18 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 Oct 23 to Jun 1 — about 7.3 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr24Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct20Cool
Nov21Refreshing
Dec23Refreshing

UV index in Laguna 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 Laguna peaks around January 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 22UV 13Jul 10UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Laguna?

Laguna sits at 28.5°S, 48.8°W, 7 m above sea level, in Brazil. The nearest listed city is Capivari de Baixo, 18 km away.

Topography around Laguna

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

Within 3 km, the terrain around Laguna has only modest variations in elevation — a maximum elevation change of 131 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,794 m.

The land around Laguna is covered by water (55%) within 3 km, water (63%) within 16 km, and water (41%) and trees (39%) within 80 km.

3 km
131 m
16 km
384 m
80 km
1,794 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Capivari de Baixo 18 km · Tubarão 22 km · Jaguaruna 28 km · Imbituba 29 km · Braço do Norte 44 km · Morro da Fumaça 46 km · Orleans 52 km · Urussanga 53 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 Laguna (-28.4825°, -48.7808°, elevation 7 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).