Sertânia weather in May

In May, Sertânia sees average daytime highs of 30°C and overnight lows near 20°C, with 40 mm of rain across 7.7 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Sertânia's 8th-clearest and 9th-windiest month. For the whole year in context, see Sertânia's year-round climate.

Daytime high
30°
9th warmest
Overnight low
20°
6th coldest
Rainfall
40 mm
7.7 wet days
Daylight
11 h 36 min
5:36 AM – 5:14 PM
Cloud cover
61%
8th clearest
Wind
13 km/h
9th windiest
Solar energy
4.82 kWh/m²
Travel score
5.2
out of 10

Sertânia 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

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Sertânia reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
312920

How May really feels in Sertânia

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.

Sertânia weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°456.312.43.8
Feb33° / 21°506.912.33.8
Mar32° / 22°669.112.13.9
Apr31° / 21°588.411.84.3
May30° / 20°407.711.65.2
Jun29° / 19°225.211.56.2
Jul28° / 19°143.911.66.5
Aug30° / 18°71.611.76.2
Sep32° / 19°20.7125.2
Oct33° / 20°50.812.24.3
Nov33° / 21°9112.44.0
Dec33° / 21°14212.53.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
34060
43961
54060
64060
74159
84159
94258
104357
114357
124357
134456
144456
154456
164555
174555
184654
194654
204654
214654
224753
234852
244852
254852
264852
274753
284852
294852
304852
314852

Chance of precipitation in May

Any precipitation

Sertânia gets around 40 mm of rain over 7.7 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 25% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
529
629
728
827
926
1026
1125
1225
1324
1424
1524
1624
1724
1824
1924
2023
2123
2223
2323
2422
2522
2622
2722
2821
2921
3020
3120

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1233614
2233614
3234604
4234604
5234604
6235594
7235594
8236584
9236593
10237583
11237583
12338563
13338572
14338572
15339562
16339571
17339571
18340561
19340561
20341551
21341551
22342541
23343531
24343540
25444520
26445510
27445510
28446500
29447490
30448470
31449460

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 42 min at the start of May to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:35 AM to 5:39 AM, and sunset from 5:18 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:355:18
211.75:355:18
311.75:355:17
411.75:355:17
511.75:355:17
611.75:355:16
711.75:355:16
811.75:355:16
911.75:355:16
1011.75:355:15
1111.75:365:15
1211.75:365:15
1311.65:365:15
1411.65:365:15
1511.65:365:14
1611.65:365:14
1711.65:365:14
1811.65:375:14
1911.65:375:14
2011.65:375:14
2111.65:375:14
2211.65:375:14
2311.65:385:14
2411.65:385:14
2511.65:385:13
2611.65:385:13
2711.65:385:13
2811.65:395:13
2911.65:395:13
3011.65:395:13
3111.65:395:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.82 kWh/m².

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.98 kWh/m² in October across the year — May's 4.82 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in May

Is May a good time to visit Sertânia?

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

5.2
Sightseeing
4th-best month of the year
7.1
Beach & pool
8th-best month of the year

May is a reasonable time to visit Sertânia for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sertânia in May

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

In May, Sertânia sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Sertânia in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sertânia peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Sertânia?

Sertânia sits at 8.1°S, 37.3°W, 558 m above sea level, in Brazil. The nearest listed city is Monteiro, 26 km away.

Topography around Sertânia

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

Within 3 km, the terrain around Sertânia has only modest variations in elevation — a maximum elevation change of 111 m around an average of 571 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 568 m; within 80 km, large variations in elevation — a maximum elevation change of 792 m.

The land around Sertânia is covered by shrubs (47%) and grassland (36%) within 3 km, shrubs (71%) and grassland (24%) within 16 km, and shrubs (69%) and grassland (22%) within 80 km.

3 km
111 m
16 km
568 m
80 km
792 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Monteiro 26 km · Custódia 42 km · Arcoverde 45 km · Afogados da Ingazeira 55 km · Pedra 59 km · Sumé 62 km · Tabira 62 km · Buíque 62 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 Sertânia (-8.0736°, -37.2644°, elevation 558 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).