Best time to go

Mendoza in December 2026: weather, temperatures and activities

Do you want to visit Mendoza in December 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether December is a good month to travel to Mendoza, Argentina.

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Is it worth visiting Mendoza in December?

Check your ideal travel criteria and see if the month of December suits your plans to go to Mendoza.
What matters most?
Mendoza in December 2026: weather, temperatures and activities

Page summary

Mendoza in December in summary
Favourable weather
Min 19°C Max 27°C 113 mm 7 day(s) 52% 13% UV 6 11.4 h/day
Best activities in December
Cultural visits and heritageNightlifeGastronomy
Practical guidelines
High crowding Very high prices 06:21 20:40
Hourly weather

Average weather in Mendoza in December 2026

Favourable weather

The weather in Mendoza in December 2026 is based on statistical data from previous years in December. This allows you to forecast the weather in December 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Mendoza in December

Temperatures, precipitation and monthly trends help to better understand the climate in Mendoza in December.

Temperatures and rain in Mendoza in December

Average daily weather

Temperatures and rain day by day in December.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of December is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Mendoza in December

Seasonal normals

Seasonal normals of Mendoza in December

Check the seasonal normals in Mendoza in December and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
December
Weather data November December January
Outside temperature
Average temperature 20.4°C 23.0°C 24.3°C
Maximum temperature 24.7°C 27.3°C 28.3°C
Minimum temperature 16.1°C 18.8°C 20.2°C
Record maximum temperature 37.0°C
(2009)
39.0°C
(2020)
40.0°C
(2010)
Record low temperature 5.0°C
(2010)
6.0°C
(2010)
9.0°C
(2019)
Number of days at +30° 4 day(s)
(13%)
9 day(s)
(29%)
12 day(s)
(39%)
Number of days at +18° 28 day(s)
(93%)
31 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Wind
Wind speed 19 km/h 19 km/h 18 km/h
Wind temperature 15.9°C 18.8°C 20.2°C
Precipitation (rain)
Precipitation 104.1 mm 113.0 mm 152.0 mm
Number of days with precipitation 13 day(s)
(43%)
16 day(s)
(52%)
16 day(s)
(52%)
Number of days with significant precipitation (greater than 5 mm) 7 day(s)
(22%)
7 day(s)
(22%)
9 day(s)
(30%)
Record precipitation in one day 67.8 mm
(2011)
43.3 mm
(2015)
61.6 mm
(2016)
Other weather data
Humidity 51% 52% 56%
Visibility 9.7 km 9.7 km 9.6 km
Cloud cover 13% 13% 14%
UV index 5 6 6
Daily sunshine 11h 11h 11h
Sunrise and sunset
Sunrise time 06h25 06h21 06h43
Sunset time 20h15 20h40 20h47
Day length 13h50 14h19 14h04
Our opinion on the climate in December
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Mendoza in December?

Best activities in December
Cultural visits and heritageNightlifeGastronomy
Possible activities in December
Hiking and trekkingNature and landscapes
Observed weather

What was the weather like in Mendoza in December last?

Find the observed weather calendar in Mendoza in December 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
16°C26°C0.4 mm
2
Clear/Sunny
18°C29°C0.7 mm
3
Clear/Sunny
21°C33°C0.3 mm
4
Patchy rain nearby
22°C35°C0.3 mm
5
Clear/Sunny
23°C32°C0.4 mm
6
Patchy rain nearby
23°C27°C1.0 mm
7
Moderate rain
14°C17°C16.4 mm
8
Clear/Sunny
15°C26°C0.0 mm
9
Clear/Sunny
19°C28°C0.2 mm
10
Clear/Sunny
22°C29°C0.0 mm
11
Patchy rain nearby
18°C27°C1.8 mm
12
Clear/Sunny
22°C30°C0.0 mm
13
Clear/Sunny
21°C27°C0.7 mm
14
Patchy rain nearby
14°C19°C1.4 mm
15
Partly Cloudy
15°C25°C0.0 mm
16
Clear/Sunny
18°C26°C0.0 mm
17
Clear/Sunny
20°C31°C0.0 mm
18
Clear/Sunny
22°C29°C0.2 mm
19
Clear/Sunny
23°C33°C0.0 mm
20
Patchy rain nearby
22°C29°C0.7 mm
21
Patchy rain nearby
19°C27°C1.2 mm
22
Patchy rain nearby
18°C27°C1.5 mm
23
Clear/Sunny
21°C31°C0.0 mm
24
Partly Cloudy
23°C29°C0.1 mm
25
Clear/Sunny
20°C32°C0.0 mm
26
Clear/Sunny
22°C34°C0.1 mm
27
Clear/Sunny
19°C28°C1.4 mm
28
Clear/Sunny
22°C31°C0.0 mm
29
Clear/Sunny
23°C32°C1.0 mm
30
Clear/Sunny
22°C32°C2.6 mm
31
Clear/Sunny
22°C33°C0.2 mm
Nearby

Where to go near Mendoza in December?

Compare cities and destinations near Mendoza in December to find another travel stop, a nearby alternative or a logical continuation of your stay in Mendoza.

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Every month

Best time to visit Mendoza month by month

Compare the weather in Mendoza across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Mendoza in December: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Mendoza in December, which places this month 9th out of 12.

Expect an average of 27°C during the day and 19°C at night, with about 113 mm of precipitation spread over 7 rainy days.

Expect about 11.4 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Cultural visits and heritage, Nightlife and Gastronomy. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 72/100. Book your accommodation and transportation well in advance.

Yes: prices are at level Very high prices, with a price index of 84/100, including flights and accommodation. Booking early makes a real difference.

The most favorable months in Mendoza are: January, February, March, April, May, September, October, November and December. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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