Piancó weather in May

In May, Piancó sees average daytime highs of 33°C and overnight lows near 23°C, with 43 mm of rain across 6.6 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 36 min by month's end. Set against the rest of the year, May is Piancó's 8th-clearest and 8th-windiest month. For the whole year in context, see Piancó's year-round climate.

Daytime high
33°
10th warmest
Overnight low
23°
5th coldest
Rainfall
43 mm
6.6 wet days
Daylight
11 h 42 min
5:38 AM – 5:18 PM
Cloud cover
57%
8th clearest
Wind
10 km/h
8th windiest
Solar energy
5.11 kWh/m²
Travel score
4.0
out of 10

Piancó 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 33°C through the month.

A typical May day in Piancó reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223223
233223
243223
253223
263223
273222
283222
293222
303222
313222

How May really feels in Piancó

Once humidity and wind are folded in, May averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Piancó weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°829.512.42.8
Feb34° / 24°10110.812.23.0
Mar33° / 24°14214.1123.1
Apr33° / 23°9410.611.83.5
May33° / 23°436.611.74.0
Jun32° / 22°163.311.64.7
Jul32° / 21°61.411.64.8
Aug33° / 21°40.411.84.2
Sep35° / 22°10.2123.1
Oct36° / 23°60.812.22.5
Nov36° / 24°6112.32.4
Dec36° / 24°202.912.42.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34852
44753
54852
64852
74852
84951
95050
105149
115149
125248
135248
145347
155347
165446
175446
185545
195545
205644
215644
225743
235743
245842
255743
265743
275743
285842
295743
305743
315743

Chance of precipitation in May

Any precipitation

Piancó gets around 43 mm of rain over 6.6 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 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
427
526
625
725
824
923
1022
1122
1221
1321
1421
1521
1621
1721
1821
1921
2021
2120
2220
2320
2419
2519
2618
2718
2817
2917
3016
3115

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12144738
22144836
32154835
42154934
52165033
62175032
72175130
82185129
92195227
102195326
112205325
122205523
132215522
143225322
153225421
163235321
172235520
182245420
192245519
202255419
212255518
222265418
232265517
242265517
252275516
262275516
273275515
283285514
293285514
303295513
313305512

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 11 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
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 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 12 minutes over May. Sunrise moves from 5:36 AM to 5:41 AM, and sunset from 5:21 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:365:21
211.75:365:21
311.75:365:21
411.75:375:21
511.75:375:20
611.75:375:20
711.75:375:20
811.75:375:20
911.75:375:19
1011.75:375:19
1111.75:375:19
1211.75:375:19
1311.75:375:19
1411.75:375:18
1511.75:385:18
1611.75:385:18
1711.75:385:18
1811.75:385:18
1911.75:385:18
2011.75:385:18
2111.75:395:18
2211.65:395:18
2311.65:395:18
2411.65:395:18
2511.65:395:17
2611.65:405:17
2711.65:405:17
2811.65:405:17
2911.65:405:18
3011.65:405:18
3111.65:415:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.11 kWh/m².

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 7.07 kWh/m² in October across the year — May's 5.11 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Piancó

In seasonPeak

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

Piancó's rainy season runs January–April, 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 Piancó?

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

4.0
Sightseeing
4th-best month of the year
6.8
Beach & pool
5th-best month of the year

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

What to pack for Piancó in May

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

In May, Piancó sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Piancó 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 Piancó peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 14UV 15Jul 17UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Piancó?

Piancó sits at 7.2°S, 37.9°W, 268 m above sea level, in Brazil. The nearest listed city is Itaporanga, 27 km away.

Topography around Piancó

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

Within 3 km, the terrain around Piancó has only modest variations in elevation — a maximum elevation change of 196 m around an average of 270 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 391 m; within 80 km, large variations in elevation — a maximum elevation change of 1,017 m.

The land around Piancó is covered by grassland (47%) and shrubs (37%) within 3 km, shrubs (67%) and grassland (24%) within 16 km, and shrubs (65%) and grassland (21%) within 80 km.

3 km
196 m
16 km
391 m
80 km
1,017 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Itaporanga 27 km · Pombal 50 km · Sousa 59 km · Princesa Isabel 60 km · Tabira 61 km · São José de Piranhas 64 km · Carnaíba 69 km · Afogados da Ingazeira 69 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 Piancó (-7.1981°, -37.9292°, elevation 268 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).