Valença do Piauí in Summer
In summer (December, January and February), Valença do Piauí sees average daytime highs around 32°C and overnight lows near 23°C, with 459 mm of rain over about 50 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 34°C in early December to 31°C by late February. The sky is clear or mostly clear about 13% of the time across summer, and the air most often feels oppressive.
Summer is Valença do Piauí's 3rd-best season to visit on our travel score. For the whole year in context, see Valença do Piauí's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 459 mm
- 50 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Valença do Piauí in Summer
Over the season highs ease from about 34°C in early December to 31°C by late February.
A typical summer day in Valença do Piauí reaches about 32°C and drops to 23°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Valença do Piauí
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Valença do Piauí weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 23° | 196 | 20.3 | 12.3 | 3.1 |
| Feb | 31° / 22° | 189 | 19.9 | 12.2 | 3.2 |
| Mar | 31° / 22° | 218 | 23.5 | 12 | 3.2 |
| Apr | 31° / 22° | 137 | 16.6 | 11.9 | 3.7 |
| May | 32° / 23° | 47 | 6.8 | 11.7 | 4.4 |
| Jun | 32° / 22° | 8 | 1.2 | 11.6 | 4.8 |
| Jul | 33° / 22° | 4 | 0.6 | 11.7 | 4.6 |
| Aug | 34° / 22° | 1 | 0.2 | 11.8 | 3.9 |
| Sep | 36° / 24° | 3 | 0.3 | 12 | 2.9 |
| Oct | 36° / 25° | 14 | 2 | 12.1 | 2.4 |
| Nov | 35° / 25° | 34 | 5.9 | 12.3 | 2.6 |
| Dec | 34° / 24° | 73 | 10.2 | 12.4 | 3.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 13% of the time across summer.
Chance of precipitation in Summer
Valença do Piauí gets around 459 mm of rain over 50 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Hazard calendar for Valença do Piauí
In summer, Valença do Piauí overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Valença do Piauí's monsoon runs January–April, when most of the year's rain falls.
Is summer a good time to visit Valença do Piauí?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Valença do Piauí.
What to pack for Valença do Piauí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Valença do Piauí sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.
UV index in Valença do Piauí in Summer
Clear-sky midday UV across summer averages around 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 15 | 13 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
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.
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
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.