Joaçaba weather in May

In May, Joaçaba sees average daytime highs of 20°C and overnight lows near 11°C, with 139 mm of rain across 10.4 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 33% of the time in May, and the air most often feels dry.

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 Joaçaba's 8th-clearest and 9th-windiest month. For the whole year in context, see Joaçaba's year-round climate.

Daytime high
20°
10th warmest
Overnight low
11°
4th coldest
Rainfall
139 mm
10.4 wet days
Daylight
10 h 42 min
8:02 AM – 6:42 PM
Cloud cover
59%
8th clearest
Wind
9 km/h
9th windiest
Solar energy
3.17 kWh/m²
Travel score
6.3
out of 10

Joaçaba 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 22°C in the first days to 19°C by the end.

A typical May day in Joaçaba reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 4°C cooler than April and about 1°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22212
32212
42212
52212
62212
72112
82112
92112
102112
112111
122111
132111
142111
152011
162011
172011
182011
192011
202011
212011
222010
232010
242010
251910
261910
271910
281910
291910
301910
311910

Joaçaba weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°17818.113.55.2
Feb27° / 18°16917.1135.2
Mar27° / 17°12814.412.26.0
Apr24° / 14°10410.611.46.8
May20° / 11°13910.410.76.3
Jun19° / 10°13310.110.36.1
Jul19° / 11810.110.56.3
Aug21° / 10°1029.5116.9
Sep23° / 12°17212.111.86.5
Oct24° / 14°20115.412.76.0
Nov26° / 15°15113.413.36.1
Dec27° / 17°17016.113.75.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
35050
45149
55050
65050
74852
84852
94852
104852
114753
124852
134753
144753
154654
164654
174654
184654
194555
204555
214555
224456
234555
244555
254555
264555
274555
284654
294555
304654
314753

Chance of precipitation in May

Any precipitation

Joaçaba gets around 139 mm of rain over 10.4 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 (%)
133
232
332
432
532
632
733
833
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2534
2634
2734
2834
2934
3034
3134

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14532212
24632202
34832192
44932181
55131171
65231161
75331151
85431141
95531131
105631121
115731120
125831110
135931100
145931100
15613090
16613090
17632980
18632980
19642880
20652780
21642781
22662671
23672571
24672571
25672571
26682471
27692461
28692461
29692461
30682561
31682561

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:54 AM to 8:11 AM, and sunset from 6:53 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:546:53
211.07:546:52
310.97:556:51
410.97:556:50
510.97:566:49
610.97:576:49
710.87:576:48
810.87:586:47
910.87:586:47
1010.87:596:46
1110.87:596:45
1210.78:006:45
1310.78:016:44
1410.78:016:43
1510.78:026:43
1610.78:026:42
1710.68:036:42
1810.68:036:41
1910.68:046:41
2010.68:056:40
2110.68:056:40
2210.68:066:39
2310.58:066:39
2410.58:076:38
2510.58:076:38
2610.58:086:38
2710.58:086:37
2810.58:096:37
2910.58:106:37
3010.48:106:36
3110.48:116:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.17 kWh/m².

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 6.36 kWh/m² in December across the year — May's 3.17 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.0Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in May

Is May a good time to visit Joaçaba?

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

6.3
Sightseeing
4th-best month of the year
3.6
Beach & pool
10th-best month of the year

May is a reasonable time to visit Joaçaba for sightseeing.

What to pack for Joaçaba in May

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

In May, Joaçaba sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Joaçaba 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 Joaçaba peaks around January 22 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 22UV 14Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec13Extreme

Air quality in Joaçaba 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 Joaçaba is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1215 µg/m³Mar 126 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug14Moderate
Sep16Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Joaçaba?

Joaçaba sits at 27.2°S, 51.5°W, 551 m above sea level, in Brazil. The nearest listed city is Herval dOeste, 2.0 km away.

Topography around Joaçaba

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

Within 3 km, the terrain around Joaçaba has significant variations in elevation — a maximum elevation change of 289 m around an average of 628 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 716 m; within 80 km, large variations in elevation — a maximum elevation change of 1,068 m.

The land around Joaçaba is covered by trees (63%) and artificial surfaces (20%) within 3 km, trees (66%) and grassland (20%) within 16 km, and trees (65%) and cropland (20%) within 80 km.

3 km
289 m
16 km
716 m
80 km
1,068 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Herval dOeste 2.0 km · Capinzal 21 km · Campos Novos 37 km · Videira 40 km · Concórdia 52 km · Fraiburgo 60 km · Caçador 66 km · Seara 80 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 Joaçaba (-27.1781°, -51.5047°, elevation 551 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. 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).