Mendoza Weather in December
In December, Mendoza averages a high of 32°C (90°F) and a low of 18°C (64°F), based on 55 years of historical weather data from MENDOZA OBSERVATORIO.
32°C
Average high
90°F
18°C
Average low
64°F
43°C
Record high
109°F · 2023
3°C
Record low
37°F · 2003
What to Expect in Mendoza in December
Typical December days in Mendoza reach 32°C (90°F) during the afternoon and cool to around 18°C (64°F) overnight. On average, measurable rain falls on about 24% of days this month. Over the past 55 years, December temperatures in Mendoza have ranged from a record high of 43°C (2023) down to a record low of 3°C (2003).
For a day-by-day look or other months, see the full Mendoza weather history.