São Sebastião da Boa Vista in Spring
In spring (September, October and November), São Sebastião da Boa Vista sees average daytime highs around 32°C and overnight lows near 25°C, with 81 mm of rain over about 17 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across spring, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 47% of the time across spring, and the air most often feels oppressive.
Spring is São Sebastião da Boa Vista's best season of the year 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
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 81 mm
- 17 wet days
- Avg wind
- 11 km/h
- Travel score
- 4.2
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in São Sebastião da Boa Vista in Spring
Across spring, daytime highs hold fairly steady around 32°C.
A typical spring day in São Sebastião da Boa Vista reaches about 32°C and drops to 25°C overnight. The warmest of the three months is October, the coolest September.
How spring really feels in São Sebastião da Boa Vista
Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São Sebastião da Boa Vista weather by month
How the three spring months (September, October and November) 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 Spring
The sky is clear or mostly clear about 47% of the time across spring.
Chance of precipitation in Spring
São Sebastião da Boa Vista gets around 81 mm of rain over 17 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 12 hours in early September to 12 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.5 kWh/m².
Hazard calendar for São Sebastião da Boa Vista
None of São Sebastião da Boa Vista's seasonal hazards peak in spring. 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 spring a good time to visit São Sebastião da Boa Vista?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit São Sebastião da Boa Vista for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São Sebastião da Boa Vista in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, São Sebastião da Boa Vista sees daytime highs around 32°C and nights near 25°C. Pack light clothes and sun protection. About 17 days see rain.
UV index in São Sebastião da Boa Vista in Spring
Clear-sky midday UV across spring averages around 11 (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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.