Antonina weather in May

In May, Antonina sees average daytime highs of 23°C and overnight lows near 16°C, with 121 mm of rain across 13.7 wet days and about 10.8 hours of daylight. It is the 8th-warmest and 9th-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 26% 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 30 min by month's end. Set against the rest of the year, May is Antonina's 4th-clearest and 10th-windiest month. For the whole year in context, see Antonina's year-round climate.

Daytime high
23°
8th warmest
Overnight low
16°
5th coldest
Rainfall
121 mm
13.7 wet days
Daylight
10 h 48 min
7:48 AM – 6:34 PM
Cloud cover
64%
4th clearest
Wind
5 km/h
10th windiest
Solar energy
2.98 kWh/m²
Travel score
6.1
out of 10

Antonina 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 24°C in the first days to 22°C by the end.

A typical May day in Antonina reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, May runs about 3°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42417
52417
62416
72316
82316
92316
102316
112316
122316
132316
142316
152316
162316
172216
182215
192215
202215
212215
222215
232215
242215
252215
262215
272215
282215
292215
302214
312214

Antonina 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
Jan28° / 21°32426.413.43.9
Feb28° / 21°3072312.93.8
Mar27° / 20°23223.712.24.4
Apr25° / 18°13016.411.45.6
May23° / 16°12113.710.86.1
Jun22° / 14°10011.110.46.3
Jul21° / 13°10011.610.66.2
Aug22° / 14°8611.211.16.4
Sep22° / 15°15916.811.85.4
Oct24° / 17°17820.412.64.9
Nov25° / 18°1882113.24.8
Dec27° / 20°25122.513.64.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34258
44258
54159
64159
74060
83961
93961
103862
113862
123862
133664
143664
153664
163664
173664
183664
193763
203763
213763
223862
233862
244060
254159
264159
274258
284258
294258
304357
314357

Chance of precipitation in May

Any precipitation

Antonina gets around 121 mm of rain over 13.7 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 45% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
344
444
544
644
744
844
944
1044
1144
1245
1345
1445
1546
1646
1746
1846
1946
2046
2146
2246
2345
2445
2544
2644
2744
2843
2943
3042
3141

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
181543295
281743285
391843264
491943254
592143243
6102242233
7102342232
8102442222
9102542212
10102643201
11102743191
12112743181
13112843171
14112843171
15112944160
16122944160
17122944150
18132944150
19132943140
20142943130
21153042130
22163042120
23173041110
24183140100
25193140100
2620323990
2721323890
2822333780
2923333680
3024333580
3125333570

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 30 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 7:40 AM to 7:56 AM, and sunset from 6:44 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.17:406:44
211.07:416:43
311.07:416:42
411.07:426:42
511.07:426:41
611.07:436:40
710.97:436:39
810.97:446:39
910.97:446:38
1010.97:456:37
1110.97:466:37
1210.87:466:36
1310.87:476:36
1410.87:476:35
1510.87:486:35
1610.87:486:34
1710.77:496:33
1810.77:496:33
1910.77:506:33
2010.77:506:32
2110.77:516:32
2210.77:516:31
2310.77:526:31
2410.67:526:31
2510.67:536:30
2610.67:536:30
2710.67:546:30
2810.67:546:29
2910.67:556:29
3010.67:556:29
3110.57:566:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.98 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.27 kWh/m² in December across the year — May's 2.98 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.0Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Hazard calendar for Antonina

In seasonPeak

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

Antonina's rainy season runs September–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 Antonina?

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

6.1
Sightseeing
4th-best month of the year
4.6
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Antonina for sightseeing.

What to pack for Antonina in May

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

In May, Antonina sees daytime highs around 23°C and nights near 16°C. Worth packing: light clothes and rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Antonina in May

The nearest coast averages about 23°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 40 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 18 to Jun 29 — about 9.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr25Warm
May23Refreshing
Jun21Refreshing
Jul19Cool
Aug19Cool
Sep20Cool
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Antonina 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 Antonina peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Antonina?

Antonina sits at 25.4°S, 48.7°W, 9 m above sea level, in Brazil. The nearest listed city is Morretes, 13 km away.

Topography around Antonina

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

Within 3 km, the terrain around Antonina has significant variations in elevation — a maximum elevation change of 284 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 891 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Antonina is covered by trees (41%) and water (35%) within 3 km, trees (77%) within 16 km, and trees (69%) and water (20%) within 80 km.

3 km
284 m
16 km
891 m
80 km
1,785 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Morretes 13 km · Paranaguá 21 km · Pontal do Paraná 34 km · Piraquara 36 km · Campina Grande do Sul 37 km · Quatro Barras 37 km · Matinhos 48 km · Pinhais 48 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 Antonina (-25.4286°, -48.7119°, elevation 9 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).