Sertanópolis weather in May

In May, Sertanópolis sees average daytime highs of 26°C and overnight lows near 16°C, with 73 mm of rain across 7.1 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Sertanópolis's 6th-clearest and 7th-windiest month. For the whole year in context, see Sertanópolis's year-round climate.

Daytime high
26°
10th warmest
Overnight low
16°
4th coldest
Rainfall
73 mm
7.1 wet days
Daylight
10 h 54 min
7:54 AM – 6:47 PM
Cloud cover
50%
6th clearest
Wind
8 km/h
7th windiest
Solar energy
3.8 kWh/m²
Travel score
7.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical May day in Sertanópolis reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, May runs about 4°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32718
42717
52717
62717
72717
82717
92717
102617
112617
122617
132617
142616
152616
162616
172616
182516
192516
202516
212516
222516
232516
242516
252516
262515
272515
282515
292515
302515
312515

How May really feels in Sertanópolis

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sertanópolis weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°19619.113.33.7
Feb31° / 22°1501712.83.8
Mar31° / 21°10213.112.24.4
Apr29° / 19°626.211.56.0
May26° / 16°737.110.97.3
Jun25° / 15°64610.67.8
Jul25° / 14°424.610.78.0
Aug27° / 15°444.311.27.6
Sep29° / 17°88811.96.0
Oct30° / 19°11511.512.54.9
Nov31° / 20°13012.413.14.4
Dec31° / 22°14916.313.43.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% 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 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46238
56238
66139
76040
86040
95842
105743
115743
125644
135644
145446
155446
165347
175347
185347
195248
205248
215347
225347
235347
245347
255347
265446
275446
285446
295446
305545
315644

Chance of precipitation in May

Any precipitation

Sertanópolis gets around 73 mm of rain over 7.1 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 22% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
116
216
317
417
517
618
718
819
919
1020
1120
1221
1321
1421
1522
1623
1723
1824
1924
2025
2125
2225
2326
2426
2527
2627
2727
2827
2927
3027
3127

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 40% 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 (%)
192139301
2102139291
3102240271
4112240261
5122341241
6122341231
7122441221
8132442211
9132542191
10132642181
11142642171
12142743161
13142843151
14142843140
15152943130
16153042130
17153042120
18153142120
19153141120
20163240120
21163240110
22173239110
23183239110
24183238120
25193237120
26193237120
27203236120
28203136120
29213136120
30213136130
31213036130

Wind in May

Winds average 8 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
88calm
98calm
108calm
118calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 42 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 7:47 AM to 8:01 AM, and sunset from 6:56 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:476:56
211.17:476:55
311.17:486:55
411.17:486:54
511.17:486:53
611.17:496:53
711.07:496:52
811.07:506:51
911.07:506:51
1011.07:516:50
1111.07:516:50
1211.07:526:49
1310.97:526:49
1410.97:536:48
1510.97:536:48
1610.97:546:47
1710.97:546:47
1810.97:556:46
1910.87:556:46
2010.87:556:46
2110.87:566:45
2210.87:566:45
2310.87:576:44
2410.87:576:44
2510.87:586:44
2610.87:586:44
2710.77:596:43
2810.77:596:43
2910.78:006:43
3010.78:006:43
3110.78:016:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.8 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 6.1 kWh/m² in November across the year — May's 3.8 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.4Moderate
Planning a trip in May

Hazard calendar for Sertanópolis

In seasonPeak

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

Sertanópolis's rainy season runs October–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 Sertanópolis?

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

7.3
Sightseeing
4th-best month of the year
7.0
Beach & pool
5th-best month of the year

May is one of the better times to visit Sertanópolis for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sertanópolis in May

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

In May, Sertanópolis sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes. About 7 days see rain.

light clothes

UV index in Sertanópolis in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sertanópolis peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 21UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Sertanópolis 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 Sertanópolis is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul12Good
Aug14Moderate
Sep21Moderate
Oct14Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Sertanópolis?

Sertanópolis sits at 23.1°S, 51.0°W, 403 m above sea level, in Brazil. The nearest listed city is Ibiporã, 23 km away.

Topography around Sertanópolis

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

Within 3 km, the terrain around Sertanópolis has only modest variations in elevation — a maximum elevation change of 131 m around an average of 378 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 814 m.

The land around Sertanópolis is covered by cropland (70%) within 3 km, cropland (65%) within 16 km, and cropland (65%) within 80 km.

3 km
131 m
16 km
304 m
80 km
814 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ibiporã 23 km · Londrina 31 km · Cambé 35 km · Cornélio Procópio 42 km · Rolândia 44 km · Jaguapitã 51 km · Arapongas 56 km · Astorga 67 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 Sertanópolis (-23.0586°, -51.0364°, elevation 403 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).