São João da Barra in Winter
In winter (June, July and August), São João da Barra sees average daytime highs around 24°C and overnight lows near 20°C, with 80 mm of rain over about 19 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 55% of the time across winter, and the air most often feels muggy.
Winter is São João da Barra's best season of the year 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
- 24°C
- coldest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 80 mm
- 19 wet days
- Avg wind
- 18 km/h
- Travel score
- 7.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in São João da Barra in Winter
Across winter, daytime highs hold fairly steady around 24°C.
A typical winter day in São João da Barra reaches about 24°C and drops to 20°C overnight. The warmest of the three months is June, the coolest July.
São João da Barra 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 | 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 Winter
The sky is clear or mostly clear about 55% of the time across winter.
Chance of precipitation in Winter
São João da Barra gets around 80 mm of rain over 19 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 18 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 48 min in early June to 11 h 30 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 3.9 kWh/m².
Hazard calendar for São João da Barra
None of São João da Barra's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
São João da Barra's rainy season runs October–January, when most of the year's rain falls.
Is winter a good time to visit São João da Barra?
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 one of the better times to visit São João da Barra for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for São João da Barra in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, São João da Barra sees daytime highs around 24°C and nights near 20°C. Worth packing: light clothes. About 19 days see rain.
Sea temperature near São João da Barra in Winter
The nearest coast averages about 23°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 7 — enough to warrant sun protection. 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.