Jaraguá do Sul weather in May

In May, Jaraguá do Sul sees average daytime highs of 23°C and overnight lows near 15°C, with 102 mm of rain across 11.1 wet days and about 10.7 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 30% 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 30 min by month's end. Set against the rest of the year, May is Jaraguá do Sul's 3rd-clearest and 8th-windiest month. For the whole year in context, see Jaraguá do Sul's year-round climate.

Daytime high
23°
8th warmest
Overnight low
15°
5th coldest
Rainfall
102 mm
11.1 wet days
Daylight
10 h 42 min
7:51 AM – 6:34 PM
Cloud cover
61%
3rd clearest
Wind
6 km/h
8th windiest
Solar energy
2.94 kWh/m²
Travel score
6.6
out of 10

Jaraguá do Sul 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 Jaraguá do Sul 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
72316
82316
92316
102316
112315
122315
132315
142315
152315
162315
172215
182215
192215
202215
212215
222215
232214
242214
252214
262214
272214
282214
292214
302214
312214

Jaraguá do Sul 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°23723.513.54.0
Feb28° / 21°22721.412.94.0
Mar27° / 20°16320.912.24.8
Apr25° / 18°1011311.46.2
May23° / 15°10211.110.76.6
Jun21° / 13°1079.210.46.5
Jul21° / 12°919.310.56.5
Aug22° / 13°92911.16.7
Sep22° / 15°1511411.85.8
Oct24° / 17°14416.212.65.6
Nov25° / 18°15017.413.35.3
Dec27° / 20°17219.913.64.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
44951
54852
64753
74753
84753
94654
104654
114654
124555
134555
144555
154555
164555
174555
184555
194555
204555
214456
224555
234555
244654
254753
264654
274753
284852
294852
304753
314753

Chance of precipitation in May

Any precipitation

Jaraguá do Sul gets around 102 mm of rain over 11.1 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
335
434
534
634
734
835
935
1035
1136
1236
1337
1437
1538
1638
1738
1839
1939
2038
2138
2237
2337
2436
2536
2636
2735
2835
2934
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 37% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1121839265
2131939255
3132039244
4142139234
5152239223
6152338213
7152438202
8162438192
9162538192
10172638181
11172638171
12182738171
13182738161
14182739160
15192739150
16192739150
17202739150
18202738140
19212738140
20222738140
21232737130
22242737120
23252737110
24262836110
25272835100
2628283590
2729283490
2830293380
2931293380
3032293270
3133293260

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours 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 30 minutes over May. Sunrise moves from 7:43 AM to 7:59 AM, and sunset from 6:44 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:436:44
211.07:446:43
311.07:446:42
410.97:456:41
510.97:456:41
610.97:466:40
710.97:466:39
810.97:476:39
910.87:476:38
1010.87:486:37
1110.87:496:37
1210.87:496:36
1310.87:506:35
1410.77:506:35
1510.77:516:34
1610.77:516:34
1710.77:526:33
1810.77:536:33
1910.77:536:32
2010.67:546:32
2110.67:546:31
2210.67:556:31
2310.67:556:30
2410.67:566:30
2510.67:566:30
2610.57:576:29
2710.57:576:29
2810.57:586:29
2910.57:586:28
3010.57:596:28
3110.57:596:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.94 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 5.26 kWh/m² in December across the year — May's 2.94 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
143.0Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Jaraguá do Sul?

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

6.6
Sightseeing
2nd-best month of the year
4.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Jaraguá do Sul for sightseeing.

What to pack for Jaraguá do Sul in May

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

In May, Jaraguá do Sul 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 Jaraguá do Sul 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 46 km away) is warmest in February at about 27°C and coldest in August near 18°C.

It's comfortable for a long swim from Sep 26 to Jun 19 — about 8.8 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar26Warm
Apr25Warm
May22Refreshing
Jun20Refreshing
Jul19Cool
Aug18Cool
Sep20Cool
Oct21Refreshing
Nov23Refreshing
Dec25Warm

UV index in Jaraguá do Sul 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 Jaraguá do Sul peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 highExtremeJan 18UV 14Jul 13UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Jaraguá do Sul 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 Jaraguá do Sul is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (February, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1115 µg/m³Feb 229 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May12Good
Jun14Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is Jaraguá do Sul?

Jaraguá do Sul sits at 26.5°S, 49.1°W, 27 m above sea level, in Brazil. The nearest listed city is Guaramirim, 7.0 km away.

Topography around Jaraguá do Sul

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

Within 3 km, the terrain around Jaraguá do Sul has large variations in elevation — a maximum elevation change of 635 m around an average of 148 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,096 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,647 m.

The land around Jaraguá do Sul is covered by trees (60%) and artificial surfaces (33%) within 3 km, trees (72%) within 16 km, and trees (68%) within 80 km.

3 km
635 m
16 km
1,096 m
80 km
1,647 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Guaramirim 7.0 km · Schroeder 8.0 km · Massaranduba 15 km · Corupá 19 km · Joinville 30 km · Pomerode 30 km · Araquari 37 km · São Bento do Sul 41 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 Jaraguá do Sul (-26.4861°, -49.0667°, elevation 27 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).