Parelheiros in Summer

In summer (December, January and February), Parelheiros sees average daytime highs around 27°C and overnight lows near 19°C, with 751 mm of rain over about 72 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 10% of the time across summer, and the air most often feels muggy.

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

Avg daytime high
27°C
warmest season of the year
Avg overnight low
19°C
Rainfall
751 mm
72 wet days
Avg wind
9 km/h
Travel score
4.2
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Parelheiros 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 Parelheiros reaches about 27°C and drops to 19°C overnight. The warmest of the three months is February, the coolest December.

10°15°20°25°30°35°DecJanFeb

Parelheiros 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° / 19°28826.313.34.0
Feb27° / 19°24022.412.84.2
Mar26° / 19°21923.512.24.5
Apr25° / 17°9414.211.56.1
May23° / 14°7610.610.96.6
Jun22° / 13°607.410.67.1
Jul22° / 12°687.510.77.1
Aug23° / 13°51711.27.3
Sep24° / 14°10812.611.96.4
Oct24° / 16°13816.812.65.6
Nov25° / 17°18620.113.25.0
Dec26° / 19°22223.213.44.5

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Parelheiros gets around 751 mm of rain over 72 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 9 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 5.5 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Parelheiros

In seasonPeak

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

Parelheiros'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 Parelheiros?

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.

4.2
Sightseeing
4th-best month of the year
4.3
Beach & pool
4th-best month of the year

summer is a reasonable time to visit Parelheiros for sightseeing.

What to pack for Parelheiros in Summer

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

In summer, Parelheiros sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 72 days see rain.

light clothesrain gearsun protection

Sea temperature near Parelheiros 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 35 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 Parelheiros 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 Parelheiros peaks around January 23 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 23UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar9Very high
Apr8Very high
May7High
Jun6High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Parelheiros 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 Parelheiros is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Parelheiros?

Parelheiros sits at 23.8°S, 46.7°W, 778 m above sea level, in Brazil. The nearest listed city is Grajaú, 9.0 km away.

Topography around Parelheiros

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Parelheiros.

Within 3 km, the terrain around Parelheiros has only modest variations in elevation — a maximum elevation change of 158 m around an average of 802 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Parelheiros is covered by trees (75%) within 3 km, trees (68%) within 16 km, and trees (55%) and water (25%) within 80 km.

3 km
158 m
16 km
278 m
80 km
1,434 m
treesgrasslandcroplandartificial surfaceswatermangroves
Summer weather nearby: Grajaú 9.0 km · Embu-Guaçu 9.0 km · Cidade Dutra 12 km · Jardim Angela 13 km · Pedreira 16 km · Jardim Sao Luis 16 km · Campo Grande 17 km · Itapecerica da Serra 17 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 Parelheiros (-23.8275°, -46.7269°, elevation 778 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.