São Bernardo in Summer
In summer (December, January and February), São Bernardo sees average daytime highs around 33°C and overnight lows near 24°C, with 432 mm of rain over about 49 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 35°C in early December to 31°C by late February. The sky is clear or mostly clear about 14% of the time across summer, and the air most often feels oppressive.
Summer is São Bernardo's 3rd-best season to visit on our travel score. For the whole year in context, see São Bernardo's year-round climate.
- Avg daytime high
- 33°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 432 mm
- 49 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.8
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in São Bernardo in Summer
Over the season highs ease from about 35°C in early December to 31°C by late February.
A typical summer day in São Bernardo reaches about 33°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in São Bernardo
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 Bernardo 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 | 32° / 24° | 166 | 19.5 | 12.2 | 2.8 |
| Feb | 31° / 24° | 217 | 22.3 | 12.1 | 2.8 |
| Mar | 31° / 24° | 281 | 27.2 | 12 | 2.7 |
| Apr | 31° / 23° | 294 | 25.7 | 11.9 | 2.8 |
| May | 31° / 24° | 180 | 18.5 | 11.8 | 3.5 |
| Jun | 32° / 23° | 44 | 9 | 11.8 | 4.3 |
| Jul | 33° / 23° | 23 | 3.8 | 11.8 | 4.4 |
| Aug | 34° / 23° | 4 | 0.8 | 11.9 | 3.6 |
| Sep | 36° / 24° | 2 | 0.5 | 12 | 2.8 |
| Oct | 36° / 24° | 8 | 1.3 | 12.1 | 2.5 |
| Nov | 36° / 24° | 13 | 2.7 | 12.2 | 2.5 |
| Dec | 35° / 24° | 49 | 7.3 | 12.2 | 2.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 14% of the time across summer.
Chance of precipitation in Summer
São Bernardo gets around 432 mm of rain over 49 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 5.3 kWh/m².
Hazard calendar for São Bernardo
In summer, São Bernardo overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
São Bernardo's monsoon runs January–May, when most of the year's rain falls.
Is summer a good time to visit São Bernardo?
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 Bernardo.
What to pack for São Bernardo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, São Bernardo sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 49 days see rain.
UV index in São Bernardo 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 Bernardo peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very 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) | 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 Bernardo 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 Bernardo is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (May, 8 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) | 12 | 15 | 14 | 11 | 8 | 9 | 20 | 12 | 9 | 11 | 14 | 14 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 15 | Moderate |
| Mar | 14 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 20 | Moderate |
| Aug | 12 | Good |
| Sep | 9 | Good |
| Oct | 11 | Good |
| Nov | 14 | Moderate |
| Dec | 14 | Moderate |
Where is São Bernardo?
São Bernardo sits at 3.4°S, 42.4°W, 29 m above sea level, in Brazil. The nearest listed city is Luzilândia, 12 km away.
Topography around São Bernardo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Bernardo.
Within 3 km, the terrain around São Bernardo has only modest variations in elevation — a maximum elevation change of 69 m around an average of 43 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, only modest variations in elevation — a maximum elevation change of 246 m.
The land around São Bernardo is covered by trees (63%) and grassland (28%) within 3 km, trees (60%) and grassland (24%) within 16 km, and trees (59%) 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 Bernardo (-3.3614°, -42.4178°, elevation 29 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.