São João da Barra in Spring
In spring (September, October and November), São João da Barra sees average daytime highs around 25°C and overnight lows near 22°C, with 264 mm of rain over about 31 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 32% of the time across spring, and the air most often feels muggy.
Spring is São João da Barra's 2nd-best season to visit on our travel score. São João da Barra 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 João da Barra's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 264 mm
- 31 wet days
- Avg wind
- 21 km/h
- Travel score
- 6.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in São João da Barra in Spring
Across spring, daytime highs hold fairly steady around 25°C.
A typical spring day in São João da Barra reaches about 25°C and drops to 22°C overnight. The warmest of the three months is November, the coolest September.
São João da Barra 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 | 27° / 24° | 114 | 10.4 | 13.2 | 6.3 |
| Feb | 28° / 24° | 54 | 7.6 | 12.7 | 6.5 |
| Mar | 28° / 24° | 112 | 12.7 | 12.2 | 6.0 |
| Apr | 27° / 23° | 75 | 11.4 | 11.5 | 6.5 |
| May | 25° / 22° | 51 | 9.6 | 11 | 7.1 |
| Jun | 25° / 21° | 25 | 6.3 | 10.7 | 7.8 |
| Jul | 24° / 20° | 29 | 6.5 | 10.8 | 8.0 |
| Aug | 24° / 20° | 26 | 6 | 11.3 | 8.0 |
| Sep | 25° / 21° | 48 | 8.1 | 11.9 | 7.5 |
| Oct | 25° / 22° | 78 | 8.8 | 12.5 | 7.0 |
| Nov | 26° / 23° | 139 | 13.8 | 13 | 5.9 |
| Dec | 27° / 24° | 151 | 14.3 | 13.3 | 5.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 32% of the time across spring.
Chance of precipitation in Spring
São João da Barra gets around 264 mm of rain over 31 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 21 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early September to 13 h 12 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 5.6 kWh/m².
Hazard calendar for São João da Barra
In spring, São João da Barra overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
São João da Barra's rainy season runs October–January, when most of the year's rain falls.
Is spring a good time to visit São João da Barra?
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 João da Barra for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São João da Barra in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, São João da Barra sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 31 days see rain.
Sea temperature near São João da Barra in Spring
The nearest coast averages about 23°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in March at about 25°C and coldest in August near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 25 | Warm |
| May | 24 | Warm |
| Jun | 23 | Refreshing |
| Jul | 23 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 24 | Warm |
UV index in São João da Barra 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 João da Barra peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (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 | 14 | 12 | 9 | 7 | 6 | 6 | 8 | 9 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is São João da Barra?
São João da Barra sits at 21.6°S, 41.1°W, 7 m above sea level, in Brazil. The nearest listed city is Campos dos Goytacazes, 31 km away.
Topography around São João da Barra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São João da Barra.
Within 3 km, the terrain around São João da Barra has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,525 m.
The land around São João da Barra is covered by grassland (59%) within 3 km, water (47%) and grassland (37%) within 16 km, and grassland (44%) and water (38%) 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 João da Barra (-21.6403°, -41.0511°, elevation 7 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.