Valença do Piauí weather in May

In May, Valença do Piauí sees average daytime highs of 32°C and overnight lows near 23°C, with 47 mm of rain across 6.8 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 25% 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 42 min by month's end. Set against the rest of the year, May is Valença do Piauí's 6th-clearest and 6th-windiest month. For the whole year in context, see Valença do Piauí's year-round climate.

Daytime high
32°
8th warmest
Overnight low
23°
7th coldest
Rainfall
47 mm
6.8 wet days
Daylight
11 h 42 min
5:52 AM – 5:35 PM
Cloud cover
60%
6th clearest
Wind
10 km/h
6th windiest
Solar energy
5 kWh/m²
Travel score
4.4
out of 10

Valença do Piauí 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 32°C through the month.

A typical May day in Valença do Piauí reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How May really feels in Valença do Piauí

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.

Valença do Piauí weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°19620.312.33.1
Feb31° / 22°18919.912.23.2
Mar31° / 22°21823.5123.2
Apr31° / 22°13716.611.93.7
May32° / 23°476.811.74.4
Jun32° / 22°81.211.64.8
Jul33° / 22°40.611.74.6
Aug34° / 22°10.211.83.9
Sep36° / 24°30.3122.9
Oct36° / 25°14212.12.4
Nov35° / 25°345.912.32.6
Dec34° / 24°7310.212.43.1

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 25% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34159
44258
54258
64258
74357
84357
94456
104654
114654
124654
134753
144951
154951
164951
175050
185149
195149
205248
215347
225347
235446
245644
255644
265743
275842
285941
296040
306040
316139

Chance of precipitation in May

Any precipitation

Valença do Piauí gets around 47 mm of rain over 6.8 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 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
335
434
532
631
729
828
927
1025
1124
1223
1322
1422
1521
1621
1720
1820
1919
2019
2118
2218
2317
2416
2516
2615
2714
2813
2913
3012
3111

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 81% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1144649
2154747
3154845
4164944
5175042
6185140
7185338
8195436
91105534
101115632
111125730
121135828
131145827
141146025
151156024
161166023
171176022
181186021
191196020
201206019
211216018
222226016
232245915
242255914
252275714
262295613
273315412
283325411
293345310
30436519
31438508

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
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 42 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 5:51 AM to 5:55 AM, and sunset from 5:38 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:515:38
211.85:515:37
311.85:515:37
411.85:515:37
511.85:515:36
611.85:515:36
711.75:515:36
811.75:515:36
911.75:515:36
1011.75:515:35
1111.75:515:35
1211.75:515:35
1311.75:525:35
1411.75:525:35
1511.75:525:35
1611.75:525:35
1711.75:525:34
1811.75:525:34
1911.75:525:34
2011.75:535:34
2111.75:535:34
2211.75:535:34
2311.75:535:34
2411.75:535:34
2511.75:535:34
2611.75:545:34
2711.75:545:34
2811.75:545:34
2911.75:545:34
3011.75:545:34
3111.75:555:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.82 kWh/m² in September across the year — May's 5 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Valença do Piauí

In seasonPeak

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

Valença do Piauí's monsoon runs January–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Valença do Piauí?

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

4.4
Sightseeing
3rd-best month of the year
6.9
Beach & pool
4th-best month of the year

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

What to pack for Valença do Piauí in May

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

In May, Valença do Piauí sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Valença do Piauí 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 Valença do Piauí peaks around March 11 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 11UV 15Jul 17UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Valença do Piauí?

Valença do Piauí sits at 6.4°S, 41.7°W, 336 m above sea level, in Brazil. The nearest listed city is Picos, 81 km away.

Topography around Valença do Piauí

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

Within 3 km, the terrain around Valença do Piauí has only modest variations in elevation — a maximum elevation change of 112 m around an average of 334 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 322 m; within 80 km, large variations in elevation — a maximum elevation change of 609 m.

The land around Valença do Piauí is covered by trees (49%) and shrubs (27%) within 3 km, trees (64%) and shrubs (33%) within 16 km, and trees (46%) and shrubs (45%) within 80 km.

3 km
112 m
16 km
322 m
80 km
609 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Picos 81 km · Oeiras 81 km · Regeneração 106 km · São Miguel do Tapuio 111 km · Água Branca 114 km · Parambu 118 km · Castelo do Piauí 123 km · Amarante 123 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 Valença do Piauí (-6.4075°, -41.7456°, elevation 336 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).