São João Batista in Summer
In summer (December, January and February), São João Batista sees average daytime highs around 31°C and overnight lows near 25°C, with 561 mm of rain over about 65 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 33°C in early December to 31°C by late February. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels oppressive.
Summer is São João Batista's 3rd-best season to visit on our travel score. São João Batista 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 Batista's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 561 mm
- 65 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.9
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in São João Batista in Summer
Over the season highs ease from about 33°C in early December to 31°C by late February.
A typical summer day in São João Batista reaches about 31°C and drops to 25°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in São João Batista
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São João Batista weather by month
How the three summer months (December, January and February) 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 | 31° / 25° | 207 | 24.8 | 12.2 | 2.8 |
| Feb | 31° / 25° | 272 | 26 | 12.1 | 2.6 |
| Mar | 30° / 25° | 360 | 30.1 | 12 | 2.5 |
| Apr | 31° / 25° | 369 | 28.7 | 11.9 | 2.5 |
| May | 31° / 25° | 230 | 24.7 | 11.9 | 3.0 |
| Jun | 31° / 25° | 97 | 16.8 | 11.8 | 3.9 |
| Jul | 31° / 24° | 61 | 11.7 | 11.8 | 4.4 |
| Aug | 32° / 25° | 18 | 4.6 | 11.9 | 4.5 |
| Sep | 33° / 25° | 10 | 2.2 | 12 | 4.1 |
| Oct | 33° / 25° | 18 | 3.4 | 12.1 | 3.9 |
| Nov | 33° / 26° | 34 | 6.4 | 12.1 | 3.8 |
| Dec | 32° / 25° | 82 | 14.1 | 12.2 | 3.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 11% of the time across summer.
Chance of precipitation in Summer
São João Batista gets around 561 mm of rain over 65 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.0 kWh/m².
Hazard calendar for São João Batista
In summer, São João Batista overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
São João Batista's monsoon runs January–May, when most of the year's rain falls.
Is summer a good time to visit São João Batista?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in São João Batista.
What to pack for São João Batista in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São João Batista sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 65 days see rain.
Sea temperature near São João Batista in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 60 km away) is warmest in May at about 29°C and coldest in October near 28°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) | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 28 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Warm |
UV index in São João Batista in Summer
Clear-sky midday UV across summer averages around 13 (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 Batista peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 | 14 | 15 | 14 | 11 | 10 | 10 | 10 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in São João Batista in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in São João Batista is worst in November — around 18 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) | 15 | 17 | 16 | 14 | 10 | 9 | 9 | 10 | 9 | 13 | 18 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 17 | Moderate |
| Mar | 16 | Moderate |
| Apr | 14 | Moderate |
| May | 10 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 10 | Good |
| Sep | 9 | Good |
| Oct | 13 | Moderate |
| Nov | 18 | Moderate |
| Dec | 16 | Moderate |
Where is São João Batista?
São João Batista sits at 3.0°S, 44.8°W, 6 m above sea level, in Brazil. The nearest listed city is São Vicente Ferrer, 11 km away.
Topography around São João Batista
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São João Batista.
Within 3 km, the terrain around São João Batista has only modest variations in elevation — a maximum elevation change of 32 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, only modest variations in elevation — a maximum elevation change of 171 m.
The land around São João Batista is covered by grassland (52%), trees (26%) and wetland (20%) within 3 km, grassland (42%) and wetland (36%) within 16 km, and trees (43%) and grassland (27%) 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 Batista (-2.9553°, -44.8069°, elevation 6 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.