Valença do Piauí weather in October

In October, Valença do Piauí sees average daytime highs of 36°C and overnight lows near 25°C, with 14 mm of rain across 2 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 52% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Valença do Piauí's 4th-clearest and 5th-windiest month. For the whole year in context, see Valença do Piauí's year-round climate.

Daytime high
36°
1st warmest
Overnight low
25°
12th coldest
Rainfall
14 mm
2 wet days
Daylight
12 h 06 min
5:28 AM – 5:36 PM
Cloud cover
44%
4th clearest
Wind
11 km/h
5th windiest
Solar energy
6.77 kWh/m²
Travel score
2.4
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 October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical October day in Valença do Piauí reaches about 36°C in the afternoon and slips back to 25°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 38°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63625
73625
83625
93625
103625
113625
123625
133625
143625
153625
163625
173625
183625
193625
203625
213625
223625
233625
243625
253625
263625
273625
283625
293625
303625
313625

How October really feels in Valença do Piauí

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Valença do Piauí weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 8th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 24% of October, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28317
38218
48119
58119
68119
78020
88020
97921
107921
117822
127822
137822
147822
157822
167822
177822
187723
197624
207624
217525
227525
237327
247327
257129
267030
276931
286832
296733
306535
316436

Chance of precipitation in October

Any precipitation

Valença do Piauí gets around 14 mm of rain over 2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
73
83
93
104
114
125
135
145
156
166
177
187
198
209
219
2210
2310
2411
2511
2611
2712
2812
2912
3012
3113

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
19553150
29553150
39553150
49543250
59533260
69533260
79523261
89513361
99513361
109503371
119493372
129483382
138483382
148473392
158463393
1684533103
1784434113
1884434114
1984234124
2084135124
2174035134
2273936145
2373836145
2463737155
2563737165
2653638175
2753538175
2843438185
2943439195
3033339195
3133240205

Wind in October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 9 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over October. Sunrise moves from 5:34 AM to 5:24 AM, and sunset from 5:38 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:345:38
212.15:345:37
312.15:335:37
412.15:335:37
512.15:325:37
612.15:325:37
712.15:315:37
812.15:315:37
912.15:315:37
1012.15:305:37
1112.15:305:37
1212.15:295:36
1312.15:295:36
1412.15:285:36
1512.15:285:36
1612.15:285:36
1712.15:275:36
1812.25:275:36
1912.25:275:36
2012.25:265:36
2112.25:265:36
2212.25:265:36
2312.25:255:36
2412.25:255:37
2512.25:255:37
2612.25:255:37
2712.25:255:37
2812.25:245:37
2912.25:245:37
3012.25:245:37
3112.25:245:37

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.77 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 — October's 6.77 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in October

Hazard calendar for Valença do Piauí

In seasonPeak

None of Valença do Piauí's seasonal hazards are active in October. 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 October a good time to visit Valença do Piauí?

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

2.4
Sightseeing
12th-best month of the year
5.8
Beach & pool
8th-best month of the year

October is a weaker month for outdoor sightseeing in Valença do Piauí.

What to pack for Valença do Piauí in October

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

In October, Valença do Piauí sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Valença do Piauí in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (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
October 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).