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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.

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Mendoza Weather in December: Average Temperature & Records (°C)