Mendoza Weather in December
In December, Mendoza averages a high of 32°C (89°F) and a low of 18°C (64°F), from 47 years of daily records (1971–2025).
32°C
Average high
89°F
18°C
Average low
64°F
42°C
Record high
107°F · December 30, 1994
5°C
Record low
42°F · December 7, 1973
What December Is Like in Mendoza
- December in Mendoza has become 1.6°C (3.0°F) warmer on average: the 2010–2024 average against 1970–1989.
- The coldest December reading, 5°C (42°F) on December 7, 1973, has not been matched in 52 years.
- A typical December brings 7.4 days above 35°C (95°F).
- The December heat record, 42°C (107°F) on December 30, 1994, has stood for 31 years.
At least 1 mm of rain falls on 16% of December days, and the month averages 21 mm in total.
Warmest: 2013 (35.8°C)Latest: 2023 (32.9°C)10-year averageLong-run average (32.0°C)
Look Up a Day in December
See the weather in Mendoza on any December date, year by year.
Source: NOAA GHCN-Daily, Mendoza Aero (1971–2025). Averages cover 1971–2025. How we compute this