Avellaneda in Winter

In winter (June, July and August), Avellaneda sees average daytime highs around 14°C and overnight lows near 8°C, with 200 mm of rain over about 20 wet days across the season. It is the coldest season of the year and the driest season of the year.

Across winter, daytime highs hold fairly steady around 14°C. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels dry.

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

Avg daytime high
14°C
coldest season of the year
Avg overnight low
8°C
Rainfall
200 mm
20 wet days
Avg wind
16 km/h
Travel score
4.6
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Avellaneda in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 14°C.

A typical winter day in Avellaneda reaches about 14°C and drops to 8°C overnight. The warmest of the three months is August, the coolest July.

10°15°20°25°JunJulAug

Avellaneda weather by month

How the three winter months (June, July and August) 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°837.114.17.2
Feb26° / 20°927.813.37.2
Mar24° / 18°887.312.37.6
Apr21° / 15°947.911.27.0
May17° / 11°63610.26.1
Jun14° / 676.49.74.6
Jul13° / 676.89.94.1
Aug15° / 666.410.75.1
Sep17° / 11°747.111.86.0
Oct20° / 13°1099.312.96.5
Nov23° / 16°948.113.87.3
Dec26° / 18°81814.37.3

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time across winter.

0%25%50%75%100%JunJulAug

Chance of precipitation in Winter

Any precipitation

Avellaneda gets around 200 mm of rain over 20 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%JunJulAug

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Winter

Winds average 16 km/h across winter.

05101520JunJulAug

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 54 min in early June to 11 h 12 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.7 kWh/m².

01234JunJulAug
Planning a trip in winter

Is winter a good time to visit Avellaneda?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.6
Sightseeing
4th-best month of the year
0.1
Beach & pool
4th-best month of the year

winter is a reasonable time to visit Avellaneda for sightseeing.

What to pack for Avellaneda in Winter

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

In winter, Avellaneda sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer. About 20 days see rain.

a warm layer

Sea temperature near Avellaneda in Winter

The nearest coast averages about 13°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 9 to Apr 20 — about 5.4 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Avellaneda in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Avellaneda peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 12Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Avellaneda in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Avellaneda is worst in June — around 25 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2325 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar16Moderate
Apr17Moderate
May22Moderate
Jun25Moderate
Jul25Moderate
Aug24Moderate
Sep19Moderate
Oct16Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Avellaneda?

Avellaneda sits at 34.7°S, 58.4°W, 13 m above sea level, in Argentina. The nearest listed city is Barracas, 2.0 km away.

Topography around Avellaneda

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

Within 3 km, the terrain around Avellaneda has only modest variations in elevation — a maximum elevation change of 28 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 138 m.

The land around Avellaneda is covered by artificial surfaces (87%) within 3 km, artificial surfaces (58%) and water (32%) within 16 km, and grassland (29%), water (25%) and cropland (21%) within 80 km.

3 km
28 m
16 km
57 m
80 km
138 m
treesgrasslandcroplandartificial surfaceswaterwetland
Winter weather nearby: Barracas 2.0 km · Sarandí 3.0 km · Valentín Alsina 4.0 km · Buenos Aires 5.0 km · Boedo 5.0 km · Lanús 6.0 km · Balvanera 6.0 km · Remedios de Escalada de San Martín 8.0 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Avellaneda (-34.6602°, -58.3674°, elevation 13 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.