Itaiópolis weather in May

In May, Itaiópolis sees average daytime highs of 20°C and overnight lows near 11°C, with 102 mm of rain across 8.9 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 9th-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 25% 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 30 min by month's end. Set against the rest of the year, May is Itaiópolis's 4th-clearest and 9th-windiest month. For the whole year in context, see Itaiópolis's year-round climate.

Daytime high
20°
10th warmest
Overnight low
11°
4th coldest
Rainfall
102 mm
8.9 wet days
Daylight
10 h 42 min
7:55 AM – 6:37 PM
Cloud cover
66%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
3 kWh/m²
Travel score
6.4
out of 10

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 Itaiópolis 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 16°C and 24°C. Set against its neighbours, May runs about 3°C cooler than April and about 1°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42112
52112
62112
72112
82112
92112
102112
112112
122012
132012
142012
152012
162011
172011
182011
192011
202011
212011
221911
231911
241911
251911
261911
271910
281910
291910
301910
311910

Itaiópolis weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 18°20321.113.54.8
Feb26° / 18°17618.912.94.8
Mar26° / 17°12115.312.25.8
Apr23° / 15°809.311.46.8
May20° / 11°1028.910.76.4
Jun19° / 10°1149.410.46.1
Jul19° / 958.910.56.3
Aug21° / 10°957.911.16.8
Sep22° / 12°16311.111.86.3
Oct23° / 14°17015.312.65.8
Nov25° / 15°13614.413.36.0
Dec26° / 17°16317.413.65.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43763
53763
63763
73664
83664
93664
103664
113565
123565
133466
143466
153466
163565
173565
183565
193565
203565
213664
223664
233664
243862
253862
263961
273961
283961
294060
304060
314258

Chance of precipitation in May

Any precipitation

Itaiópolis gets around 102 mm of rain over 8.9 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 28% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
426
526
626
726
826
927
1027
1127
1227
1327
1427
1527
1628
1728
1828
1929
2029
2129
2229
2330
2430
2531
2631
2731
2832
2932
3032
3132

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13439252
23639232
33739221
43939211
54039201
64139181
74339171
84439161
94539151
104639141
114739131
124839121
134939111
145039110
155139100
165238100
175238100
185337100
195337100
205436100
215535100
22563590
23573490
24583390
25593290
26593290
27613180
28623080
29623080
30632980
31632980

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
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 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 7:46 AM to 8:02 AM, and sunset from 6:47 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:466:47
211.07:476:47
311.07:476:46
411.07:486:45
510.97:486:44
610.97:496:44
710.97:506:43
810.97:506:42
910.87:516:41
1010.87:516:41
1110.87:526:40
1210.87:526:40
1310.87:536:39
1410.77:536:38
1510.77:546:38
1610.77:556:37
1710.77:556:37
1810.77:566:36
1910.77:566:36
2010.67:576:35
2110.67:576:35
2210.67:586:34
2310.67:586:34
2410.67:596:34
2510.67:596:33
2610.68:006:33
2710.58:006:33
2810.58:016:32
2910.58:016:32
3010.58:026:32
3110.58:026:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 5.65 kWh/m² in December across the year — May's 3 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.1Moderate
123.1Moderate
133.1Moderate
143.0Moderate
153.0Moderate
163.0Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Itaiópolis?

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
3.5
Beach & pool
10th-best month of the year

May is a reasonable time to visit Itaiópolis for sightseeing.

What to pack for Itaiópolis in May

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

In May, Itaiópolis sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Itaiópolis 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 Itaiópolis peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Itaiópolis 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 Itaiópolis is worst in September — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1415 µg/m³Mar 107 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug12Moderate
Sep15Moderate
Oct10Good
Nov8Good
Dec7Good
Location & terrain

Where is Itaiópolis?

Itaiópolis sits at 26.3°S, 49.9°W, 932 m above sea level, in Brazil. The nearest listed city is Papanduva, 24 km away.

Topography around Itaiópolis

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

Within 3 km, the terrain around Itaiópolis has only modest variations in elevation — a maximum elevation change of 147 m around an average of 921 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 1,348 m.

The land around Itaiópolis is covered by trees (61%) within 3 km, trees (59%) and cropland (33%) within 16 km, and trees (73%) within 80 km.

3 km
147 m
16 km
384 m
80 km
1,348 m
treesgrasslandcroplandartificial surfaces
May weather nearby: Papanduva 24 km · Mafra 27 km · Rio Negro 28 km · Rio Negrinho 40 km · Três Barras 49 km · Canoinhas 51 km · São Bento do Sul 53 km · Quitandinha 66 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 Itaiópolis (-26.3364°, -49.9064°, elevation 932 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).