Mendoza Weather in December 2026: what to expect (9.1/10)

The month in detail

What to expect in December

Even in winter, Mendoza enjoys 30.0°F. A real asset for escaping the European cold. Rain risk remains low (14.0% of days), leaving good room for outdoor activities. This is one of the best times of year to visit Mendoza.

December ranks 2 out of 12 months in Mendoza. Compared to November: +4°F daytime.

This month's conditions

What it's like in December

UV index

10 · very high

protection essential

Feels like

dry air

8°

Daylight

14.2h of daylight

Air quality

good

AQI 31

Compare

Is December the right month?

The best month in Mendoza is November (9.3/10), 0.2 pt higher than December.

See November →See all 12 months →

Context

Our verdict

Mendoza is the land of Argentine Malbec: 1200 bodegas, late harvests at 3,300 ft altitude. The neighbouring Andes (Aconcagua at 22,800 ft, the highest peak in the Americas) regulate the climate.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

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Stay

Hotels & rentals · Mendoza

Expedia →

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Activities

Tours, tickets, experiences

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✈️

Flights

Multi-airline comparator

Kiwi →

🎟️ Activities & tours · Mendoza

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide

Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.

Country · Argentina

🗣️LanguageSpanish

💶CurrencyArgentine Peso ($)

🚗DrivingRight-hand

🛡️Safety ⓘVery safe · 1/5

💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTemperate

📈Climate trend ⓘ+2.45°F/decade

🔥Hottest monthJanuary · 88°F

❄️Coolest monthJuly · 54°F

🌧️Rainiest month ⓘJanuary · 23%

🏛️ City break

📅Tourist peak seasonJune → August

☔Indoor sights ⓘYear-round

🚇Public transportGood

Explore

Other destinations in December

If December doesn't convince you for this destination, compare with others.

Similar climate

Buenos AiresArgentina

Nearby

PortilloChile122 km

Valle NevadoChile145 km

SantiagoChile182 km

ValparaísoChile261 km

Other top picks

Marsa AlamEgypt9.1

OaxacaMexico9.1

Cape VerdeCape Verde8.8

HurghadaEgypt8.8

Sharm el-SheikhEgypt8.8

← November January →

🗺️ See all 754 destinations on the map

Location

Where is Mendoza ?

Global position + regional geographic context.

🌍 World

🔍 Geographic context

Argentina

Temperate climate with a 9.3 → 4.5 gap between best and worst month. 10 years of ERA5 data to choose by project.

32.89°S · 68.83°W

Questions

Frequently asked questions

What is the best time to visit Mendoza?

November is the best month with 82°F highs, 61°F lows, 10.3h of sunshine and 14.0% rainy days. The months of November & December offer comparable conditions.

How many hours of sunshine does Mendoza get in November?

Mendoza averages 10.3 sunshine hours per day in November. It is the sunniest month with a climate score of 9.0/10.

What is the rainiest month in Mendoza?

June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.

What are the temperatures at night in Mendoza in November?

In November, overnight lows reach 61°F, while afternoon highs average 82°F.

Is Mendoza good in winter?

In winter (December-February), Mendoza scores 8.5/10 on average — Acceptable conditions for cultural visits.. The best month overall remains November with a score of 9.0/10.

When should you avoid Mendoza?

June is the most difficult month to visit Mendoza, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.

Do you need sun protection in Mendoza in December?

The average UV index reaches 10 in December in Mendoza (very high), with about 14.2h of daylight. Protection essential.