Itariri in Summer

In summer (December, January and February), Itariri sees average daytime highs around 28°C and overnight lows near 21°C, with 782 mm of rain over about 70 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 28°C. The sky is clear or mostly clear about 9% of the time across summer, and the air most often feels oppressive.

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

Avg daytime high
28°C
warmest season of the year
Avg overnight low
21°C
Rainfall
782 mm
70 wet days
Avg wind
6 km/h
Travel score
3.8
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Itariri in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 28°C.

A typical summer day in Itariri reaches about 28°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°35°DecJanFeb

Itariri 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
Jan29° / 22°30125.913.33.5
Feb29° / 22°26722.712.83.6
Mar28° / 21°23123.712.24.2
Apr26° / 19°12515.111.45.7
May24° / 16°10712.410.86.5
Jun23° / 15°809.210.56.9
Jul22° / 14°839.610.66.9
Aug23° / 15°739.511.26.9
Sep24° / 16°12813.911.86.1
Oct25° / 18°14117.512.65.4
Nov26° / 19°16618.913.25.0
Dec28° / 21°21321.813.54.4

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

Itariri gets around 782 mm of rain over 70 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — 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 6 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 24 min in early December to 12 h 36 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 5.3 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Itariri

In seasonPeak

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

Itariri'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 Itariri?

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.

3.8
Sightseeing
4th-best month of the year
4.5
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Itariri.

What to pack for Itariri in Summer

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

In summer, Itariri sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 70 days see rain.

light clothesrain gearsun protection

Sea temperature near Itariri 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 32 km away) is warmest in February at about 27°C and coldest in August near 20°C.

It's comfortable for a long swim from Aug 19 to Aug 9 — about 11.7 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul20Refreshing
Aug20Cool
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Itariri 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 Itariri peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 21UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7High
Sep7High
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Itariri 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 Itariri is worst in July — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 2033 µg/m³Jan 1817 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar18Moderate
Apr20Moderate
May24Moderate
Jun30Moderate
Jul33Moderate
Aug32Moderate
Sep29Moderate
Oct21Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Itariri?

Itariri sits at 24.3°S, 47.2°W, 60 m above sea level, in Brazil. The nearest listed city is Peruíbe, 18 km away.

Topography around Itariri

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

Within 3 km, the terrain around Itariri has significant variations in elevation — a maximum elevation change of 345 m around an average of 97 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,374 m.

The land around Itariri is covered by trees (84%) within 3 km, trees (96%) within 16 km, and trees (60%) and water (32%) within 80 km.

3 km
345 m
16 km
1,402 m
80 km
1,374 m
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Peruíbe 18 km · Miracatu 29 km · Itanhaém 41 km · Juquitiba 41 km · Juquiá 47 km · São Lourenço da Serra 54 km · Mongaguá 60 km · Iguape 60 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 Itariri (-24.2892°, -47.1744°, elevation 60 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.