Puerto Madryn in Summer

In summer (December, January and February), Puerto Madryn sees average daytime highs around 27°C and overnight lows near 15°C, with 56 mm of rain over about 10 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 58% of the time across summer, and the air most often feels dry.

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

Avg daytime high
27°C
warmest season of the year
Avg overnight low
15°C
Rainfall
56 mm
10 wet days
Avg wind
20 km/h
Travel score
7.7
best season of the year
Months
Dec · Jan · Feb

Temperature in Puerto Madryn 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 Puerto Madryn reaches about 27°C and drops to 15°C overnight. The warmest of the three months is January, the coolest December.

10°20°30°DecJanFeb

How summer really feels in Puerto Madryn

Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Puerto Madryn 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
Jan28° / 16°153.314.87.2
Feb27° / 15°233.213.77.9
Mar25° / 14°223.312.48.3
Apr21° / 10°192.910.97.7
May16° / 223.69.65.9
Jun13° / 223.98.94.0
Jul12° / 163.59.23.9
Aug15° / 163.410.35.1
Sep17° / 173.911.76.4
Oct21° / 204.213.27.5
Nov24° / 12°173.714.48.1
Dec27° / 14°183.415.17.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Puerto Madryn gets around 56 mm of rain over 10 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels dry — 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 20 km/h across summer.

0510152025DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 54 min in early December to 13 h 06 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 7.5 kWh/m².

02468DecJanFeb
Planning a trip in summer

Is summer a good time to visit Puerto Madryn?

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.

7.7
Sightseeing
1st-best month of the year
8.1
Beach & pool
1st-best month of the year

summer is one of the better times to visit Puerto Madryn for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Puerto Madryn in Summer

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

In summer, Puerto Madryn sees daytime highs around 27°C and nights near 15°C. Pack light clothes and sun protection. Worth having: a windbreaker. About 10 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Puerto Madryn in Summer

The nearest coast averages about 17°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 21 km away) is warmest in February at about 18°C and coldest in September near 11°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan18Cool
Feb18Cool
Mar17Cool
Apr16Cool
May14Bracing
Jun13Bracing
Jul12Bracing
Aug11Bracing
Sep11Bracing
Oct12Bracing
Nov14Bracing
Dec16Cool

UV index in Puerto Madryn in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puerto Madryn peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 22UV 12Jun 20UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar7High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme
Location & terrain

Where is Puerto Madryn?

Puerto Madryn sits at 42.8°S, 65.0°W, 11 m above sea level, in Argentina. The nearest listed city is Trelew, 58 km away.

San Antonio OesteViedmaCarmen de PatagonesComodoro RivadaviaRío ColoradoVilla Regina

Topography around Puerto Madryn

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

Within 3 km, the terrain around Puerto Madryn has only modest variations in elevation — a maximum elevation change of 72 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, significant variations in elevation — a maximum elevation change of 313 m.

The land around Puerto Madryn is covered by artificial surfaces (42%) and water (32%) within 3 km, shrubs (57%) and water (27%) within 16 km, and shrubs (60%) and water (30%) within 80 km.

3 km
72 m
16 km
144 m
80 km
313 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Trelew 58 km · Rawson 59 km · San Antonio Oeste 227 km · Viedma 275 km · Carmen de Patagones 277 km · Comodoro Rivadavia 396 km · Río Colorado 427 km · Villa Regina 443 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 Puerto Madryn (-42.7685°, -65.0383°, elevation 11 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.