São Bernardo do Campo in Summer

In summer (December, January and February), São Bernardo do Campo sees average daytime highs around 27°C and overnight lows near 20°C, with 863 mm of rain over about 74 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 9% of the time across summer, and the air most often feels muggy.

Summer is São Bernardo do Campo's weakest season of the year to visit on our travel score. For the whole year in context, see São Bernardo do Campo's year-round climate.

Avg daytime high
27°C
warmest season of the year
Avg overnight low
20°C
Rainfall
863 mm
74 wet days
Avg wind
8 km/h
Travel score
4.1
weakest season of the year
Months
Dec · Jan · Feb

Temperature in São Bernardo do Campo in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 27°C.

A typical summer day in São Bernardo do Campo reaches about 27°C and drops to 20°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°35°DecJanFeb

São Bernardo do Campo 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°33726.613.33.9
Feb28° / 20°2752312.84.0
Mar27° / 19°27124.612.24.3
Apr25° / 18°11415.811.55.7
May23° / 15°9612.110.96.4
Jun22° / 14°708.410.67.0
Jul22° / 13°848.310.77.1
Aug23° / 14°688.811.27.1
Sep24° / 15°12913.911.96.2
Oct25° / 17°15717.812.65.4
Nov25° / 18°20920.713.14.9
Dec27° / 19°25123.913.44.3

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

São Bernardo do Campo gets around 863 mm of rain over 74 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 8 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 24 min in early December to 12 h 30 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.6 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for São Bernardo do Campo

In seasonPeak

In summer, São Bernardo do Campo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

São Bernardo do Campo's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit São Bernardo do Campo?

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.

4.1
Sightseeing
4th-best month of the year
4.2
Beach & pool
4th-best month of the year

summer is a reasonable time to visit São Bernardo do Campo for sightseeing.

What to pack for São Bernardo do Campo in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, São Bernardo do Campo sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.

light clothesrain gearsun protection

Sea temperature near São Bernardo do Campo in Summer

The nearest coast averages about 26°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 48 km away) is warmest in February at about 27°C and coldest in August near 20°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug20Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in São Bernardo do Campo in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 14 (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 do Campo peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 14Jul 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar10Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in São Bernardo do Campo in Summer

GoodModeratePoorUnhealthyVery unhealthy

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 do Campo is worst in July — around 26 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 12 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to São Bernardo do Campo's WHO annual average of 17 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1425 µg/m³Feb 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Moderate
Mar13Moderate
Apr14Moderate
May18Moderate
Jun25Moderate
Jul26Moderate
Aug23Moderate
Sep21Moderate
Oct15Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is São Bernardo do Campo?

São Bernardo do Campo sits at 23.7°S, 46.6°W, 796 m above sea level, in Brazil. The nearest listed city is Santo André, 4.0 km away.

Topography around São Bernardo do Campo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Bernardo do Campo.

Within 3 km, the terrain around São Bernardo do Campo has only modest variations in elevation — a maximum elevation change of 81 m around an average of 777 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 266 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around São Bernardo do Campo is covered by artificial surfaces (91%) within 3 km, artificial surfaces (58%) and trees (27%) within 16 km, and trees (53%) and water (22%) within 80 km.

3 km
81 m
16 km
266 m
80 km
1,434 m
treesgrasslandcroplandartificial surfaceswatermangroves
Summer weather nearby: Santo André 4.0 km · Diadema 6.0 km · Sacomã 8.0 km · São Caetano do Sul 8.0 km · Pedreira 9.0 km · Cursino 9.0 km · Jabaquara 10 km · Cidade Ademar 10 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 do Campo (-23.6939°, -46.565°, elevation 796 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.