Santa Maria das Barreiras in Winter
In winter (June, July and August), Santa Maria das Barreiras sees average daytime highs around 34°C and overnight lows near 22°C, with 11 mm of rain over about 3 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 33°C in early June to 35°C by late August. The sky is clear or mostly clear about 67% of the time across winter, and the air most often feels humid.
Winter is Santa Maria das Barreiras's best season of the year to visit on our travel score. For the whole year in context, see Santa Maria das Barreiras's year-round climate.
- Avg daytime high
- 34°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 11 mm
- 3 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Santa Maria das Barreiras in Winter
Over the season highs climb from about 33°C in early June to 35°C by late August.
A typical winter day in Santa Maria das Barreiras reaches about 34°C and drops to 22°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Santa Maria das Barreiras
Once humidity and wind are folded in, winter brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Santa Maria das Barreiras weather by month
How the three winter months (June, July and August) 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 | 30° / 23° | 311 | 28.4 | 12.5 | 2.7 |
| Feb | 30° / 23° | 284 | 25.8 | 12.3 | 2.7 |
| Mar | 30° / 23° | 285 | 28.3 | 12.1 | 2.7 |
| Apr | 31° / 23° | 194 | 21.9 | 11.8 | 3.1 |
| May | 32° / 23° | 74 | 11.4 | 11.6 | 3.9 |
| Jun | 33° / 22° | 5 | 1.1 | 11.5 | 4.4 |
| Jul | 34° / 22° | 1 | 0.4 | 11.5 | 4.0 |
| Aug | 35° / 23° | 4 | 1 | 11.7 | 3.2 |
| Sep | 35° / 24° | 37 | 5.6 | 11.9 | 3.0 |
| Oct | 33° / 24° | 129 | 16.7 | 12.2 | 3.1 |
| Nov | 31° / 23° | 216 | 22.8 | 12.4 | 2.9 |
| Dec | 31° / 23° | 254 | 26.1 | 12.5 | 2.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 67% of the time across winter.
Chance of precipitation in Winter
Santa Maria das Barreiras gets around 11 mm of rain over 3 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 30 min in early June to 11 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.4 kWh/m².
Hazard calendar for Santa Maria das Barreiras
None of Santa Maria das Barreiras's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Santa Maria das Barreiras's monsoon runs November–April, when most of the year's rain falls.
Is winter a good time to visit Santa Maria das Barreiras?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Santa Maria das Barreiras. The water and warmth also suit a beach or pool day.
What to pack for Santa Maria das Barreiras in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Santa Maria das Barreiras sees daytime highs around 34°C and nights near 22°C. Pack light clothes. Worth having: sun protection.
UV index in Santa Maria das Barreiras in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa Maria das Barreiras peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (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) | 13 | 15 | 15 | 13 | 11 | 9 | 9 | 10 | 12 | 10 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in Santa Maria das Barreiras in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Santa Maria das Barreiras is worst in September — around 81 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (February, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 11 | 12 | 12 | 13 | 14 | 14 | 34 | 81 | 32 | 18 | 16 |
| Level | Good | Good | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Unhealthy | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 11 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 14 | Moderate |
| Aug | 34 | Moderate |
| Sep | 81 | Unhealthy |
| Oct | 32 | Moderate |
| Nov | 18 | Moderate |
| Dec | 16 | Moderate |
Where is Santa Maria das Barreiras?
Santa Maria das Barreiras sits at 8.9°S, 49.7°W, 165 m above sea level, in Brazil. The nearest listed city is Conceição do Araguaia, 83 km away.
Topography around Santa Maria das Barreiras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Maria das Barreiras.
Within 3 km, the terrain around Santa Maria das Barreiras has only modest variations in elevation — a maximum elevation change of 21 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 293 m; within 80 km, significant variations in elevation — a maximum elevation change of 368 m.
The land around Santa Maria das Barreiras is covered by trees (34%), water (31%) and grassland (24%) within 3 km, trees (53%) and grassland (33%) within 16 km, and grassland (52%) and trees (40%) 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 Santa Maria das Barreiras (-8.8717°, -49.7128°, elevation 165 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.