São Sebastião da Boa Vista in Winter
In winter (June, July and August), São Sebastião da Boa Vista sees average daytime highs around 32°C and overnight lows near 24°C, with 242 mm of rain over about 44 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 53% of the time across winter, and the air most often feels miserable.
Winter is São Sebastião da Boa Vista's 2nd-best season to visit on our travel score. São Sebastião da Boa Vista has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see São Sebastião da Boa Vista's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 242 mm
- 44 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.9
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in São Sebastião da Boa Vista in Winter
Across winter, daytime highs hold fairly steady around 32°C.
A typical winter day in São Sebastião da Boa Vista reaches about 32°C and drops to 24°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in São Sebastião da Boa Vista
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.
São Sebastião da Boa Vista 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° / 24° | 261 | 27.7 | 12.1 | 2.8 |
| Feb | 30° / 24° | 349 | 26.8 | 12.1 | 2.7 |
| Mar | 30° / 24° | 443 | 30.4 | 12 | 2.6 |
| Apr | 30° / 24° | 417 | 29.4 | 12 | 2.6 |
| May | 31° / 25° | 298 | 27.8 | 11.9 | 2.8 |
| Jun | 31° / 24° | 132 | 20.4 | 11.9 | 3.4 |
| Jul | 31° / 24° | 76 | 15.3 | 11.9 | 4.0 |
| Aug | 32° / 25° | 34 | 8.3 | 11.9 | 4.3 |
| Sep | 32° / 25° | 18 | 4.5 | 12 | 4.4 |
| Oct | 33° / 25° | 20 | 4.9 | 12 | 4.2 |
| Nov | 32° / 25° | 43 | 7.3 | 12.1 | 4.0 |
| Dec | 32° / 25° | 114 | 17 | 12.1 | 3.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 53% of the time across winter.
Chance of precipitation in Winter
São Sebastião da Boa Vista gets around 242 mm of rain over 44 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels miserable — 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 54 min in early June to 12 hours 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 5.6 kWh/m².
Hazard calendar for São Sebastião da Boa Vista
None of São Sebastião da Boa Vista's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
São Sebastião da Boa Vista's monsoon runs January–May, when most of the year's rain falls.
Is winter a good time to visit São Sebastião da Boa Vista?
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 São Sebastião da Boa Vista. The water and warmth also suit a beach or pool day.
What to pack for São Sebastião da Boa Vista in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, São Sebastião da Boa Vista sees daytime highs around 32°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 44 days see rain.
UV index in São Sebastião da Boa Vista 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 São Sebastião da Boa Vista peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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) | 13 | 15 | 15 | 14 | 12 | 10 | 10 | 10 | 12 | 12 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Extreme |
| Dec | 10 | Extreme |
Air quality in São Sebastião da Boa Vista 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 São Sebastião da Boa Vista is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 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) | 17 | 19 | 19 | 16 | 11 | 9 | 9 | 11 | 13 | 16 | 16 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 19 | Moderate |
| Mar | 19 | Moderate |
| Apr | 16 | Moderate |
| May | 11 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 11 | Good |
| Sep | 13 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 15 | Moderate |
Where is São Sebastião da Boa Vista?
São Sebastião da Boa Vista sits at 1.7°S, 49.5°W, 5 m above sea level, in Brazil. The nearest listed city is Limoeiro do Ajuru, 26 km away.
Topography around São Sebastião da Boa Vista
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Sebastião da Boa Vista.
Within 3 km, the terrain around São Sebastião da Boa Vista has only modest variations in elevation — a maximum elevation change of 25 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 29 m; within 80 km, only modest variations in elevation — a maximum elevation change of 40 m.
The land around São Sebastião da Boa Vista is covered by trees (60%) and water (37%) within 3 km, trees (64%) and water (33%) within 16 km, and trees (71%) 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 São Sebastião da Boa Vista (-1.7146°, -49.5315°, elevation 5 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.