Formosa da Serra Negra in Winter
In winter (June, July and August), Formosa da Serra Negra sees average daytime highs around 33°C and overnight lows near 22°C, with 10 mm of rain over about 2 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 32°C in early June to 35°C by late August. The sky is clear or mostly clear about 60% of the time across winter, and the air most often feels humid.
Winter is Formosa da Serra Negra's best season of the year to visit on our travel score. For the whole year in context, see Formosa da Serra Negra's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 10 mm
- 2 wet days
- Avg wind
- 10 km/h
- Travel score
- 4.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Formosa da Serra Negra in Winter
Over the season highs climb from about 32°C in early June to 35°C by late August.
A typical winter day in Formosa da Serra Negra reaches about 33°C and drops to 22°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Formosa da Serra Negra
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.
Formosa da Serra Negra 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° / 22° | 234 | 26.2 | 12.3 | 3.0 |
| Feb | 30° / 22° | 222 | 24.3 | 12.2 | 2.9 |
| Mar | 30° / 22° | 236 | 26.8 | 12 | 2.9 |
| Apr | 31° / 22° | 158 | 19.7 | 11.9 | 3.4 |
| May | 32° / 22° | 53 | 9 | 11.7 | 4.3 |
| Jun | 33° / 22° | 6 | 0.9 | 11.6 | 4.7 |
| Jul | 33° / 22° | 3 | 0.4 | 11.7 | 4.5 |
| Aug | 34° / 22° | 1 | 0.3 | 11.8 | 3.8 |
| Sep | 35° / 23° | 12 | 1.7 | 12 | 3.4 |
| Oct | 33° / 23° | 49 | 8.1 | 12.1 | 3.5 |
| Nov | 32° / 23° | 112 | 15.5 | 12.3 | 3.6 |
| Dec | 31° / 22° | 163 | 21 | 12.4 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 60% of the time across winter.
Chance of precipitation in Winter
Formosa da Serra Negra gets around 10 mm of rain over 2 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 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 42 min in early June to 11 h 54 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 5.7 kWh/m².
Hazard calendar for Formosa da Serra Negra
None of Formosa da Serra Negra's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Formosa da Serra Negra's monsoon runs November–April, when most of the year's rain falls.
Is winter a good time to visit Formosa da Serra Negra?
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 reasonable time to visit Formosa da Serra Negra for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Formosa da Serra Negra in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Formosa da Serra Negra sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection.
UV index in Formosa da Serra Negra 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 Formosa da Serra Negra peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).
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 | 14 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 10 | Extreme |
Air quality in Formosa da Serra Negra 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 Formosa da Serra Negra is worst in October — around 24 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (June, 5 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 | 11 | 10 | 7 | 5 | 5 | 12 | 20 | 24 | 19 | 15 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 11 | Good |
| Mar | 11 | Good |
| Apr | 10 | Good |
| May | 7 | Good |
| Jun | 5 | Good |
| Jul | 5 | Good |
| Aug | 12 | Good |
| Sep | 20 | Moderate |
| Oct | 24 | Moderate |
| Nov | 19 | Moderate |
| Dec | 15 | Moderate |
Where is Formosa da Serra Negra?
Formosa da Serra Negra sits at 6.4°S, 46.2°W, 340 m above sea level, in Brazil. The nearest listed city is Grajaú, 70 km away.
Topography around Formosa da Serra Negra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Formosa da Serra Negra.
Within 3 km, the terrain around Formosa da Serra Negra has only modest variations in elevation — a maximum elevation change of 110 m around an average of 294 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 447 m; within 80 km, significant variations in elevation — a maximum elevation change of 555 m.
The land around Formosa da Serra Negra is covered by trees (45%) and grassland (45%) within 3 km, trees (50%) and grassland (34%) within 16 km, and trees (43%), grassland (33%) and shrubs (21%) 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 Formosa da Serra Negra (-6.4446°, -46.1888°, elevation 340 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.