Weather on December 21 in Mendoza
Historical weather data for December 21 in Mendoza, Argentina
Avg High32°C (89°F)
Avg Low18°C (64°F)
Warmest200732°C
Coldest197715°C
Based on 55 years of data from MENDOZA OBSERVATORIO
About This Date
December 21st in Mendoza, Argentina typically brings warm winter weather, with average highs around 32°C and lows near 18°C — a 25°F daily swing. Over 55 years of records, the warmest December 21st was in 2007 (32°C average), while the coldest was 1977 (15°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 5% of December 21st dates historically, with the wettest December 21st recording 3.1" of rain.
Planning for December 21st in Mendoza? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 26°C (79°F) | 21°C (69°F) | -- |
| 2024 | -- | 17°C (63°F) | -- |
| 2023 | -- | 11°C (52°F) | 0.2" |
| 2022 | 34°C (94°F) | 21°C (69°F) | -- |
| 2021 | -- | 21°C (70°F) | -- |
| 2020 | -- | 14°C (58°F) | -- |
| 2019 | -- | 16°C (60°F) | -- |
| 2018 | -- | 11°C (51°F) | -- |
| 2017 | 38°C (100°F) | 23°C (73°F) | -- |
| 2016 | 38°C (100°F) | -- | -- |
| 2015 | 33°C (91°F) | 18°C (65°F) | -- |
| 2014 | 27°C (80°F) | -- | -- |
| 2013 | -- | 21°C (69°F) | -- |
| 2012 | -- | 14°C (58°F) | -- |
| 2011 | 36°C (96°F) | -- | -- |
| 2010 | -- | 18°C (64°F) | -- |
| 2009 | -- | 18°C (65°F) | -- |
| 2008 | 37°C (99°F) | 22°C (71°F) | -- |
| 2007 | 37°C (98°F) | 26°C (79°F) | -- |
| 2006 | -- | 16°C (60°F) | -- |
| 2005 | 37°C (98°F) | 22°C (71°F) | -- |
| 2004 | 32°C (89°F) | 15°C (59°F) | 0" |
| 2003 | 38°C (100°F) | 22°C (72°F) | 0" |
| 2002 | 33°C (91°F) | 19°C (66°F) | 0" |
| 2001 | 29°C (85°F) | 18°C (65°F) | -- |
| 2000 | 32°C (89°F) | 17°C (62°F) | 3.1" |
| 1999 | 29°C (85°F) | 21°C (69°F) | -- |
| 1998 | 24°C (75°F) | 17°C (62°F) | 0" |
| 1997 | 26°C (78°F) | 18°C (64°F) | 0" |
| 1996 | 32°C (90°F) | 17°C (63°F) | 0" |
| 1995 | 34°C (94°F) | 18°C (64°F) | 0" |
| 1994 | 33°C (92°F) | 21°C (69°F) | 0" |
| 1993 | 29°C (85°F) | 19°C (67°F) | 0" |
| 1992 | 34°C (94°F) | 18°C (64°F) | -- |
| 1991 | 31°C (87°F) | 20°C (68°F) | 0" |
| 1990 | 32°C (90°F) | 24°C (75°F) | 0" |
| 1989 | 34°C (94°F) | 21°C (70°F) | -- |
| 1988 | 36°C (96°F) | 18°C (65°F) | 0" |
| 1987 | 32°C (90°F) | 13°C (56°F) | 0" |
| 1986 | 39°C (102°F) | 21°C (70°F) | -- |
| 1985 | 32°C (90°F) | 24°C (76°F) | 0" |
| 1984 | 32°C (89°F) | 14°C (58°F) | -- |
| 1983 | 31°C (88°F) | 16°C (61°F) | -- |
| 1982 | 33°C (92°F) | 17°C (63°F) | -- |
| 1981 | 27°C (81°F) | 13°C (56°F) | 0" |
| 1980 | 28°C (83°F) | 10°C (50°F) | 0" |
| 1979 | 27°C (81°F) | 17°C (62°F) | 0" |
| 1978 | 32°C (89°F) | 19°C (67°F) | 1.09" |
| 1977 | 18°C (65°F) | 11°C (52°F) | 0" |
| 1976 | 27°C (81°F) | 18°C (64°F) | 0" |
| 1975 | 33°C (91°F) | 18°C (64°F) | -- |
| 1974 | 30°C (86°F) | 18°C (64°F) | -- |
| 1973 | 33°C (91°F) | 21°C (70°F) | -- |
| 1972 | 34°C (93°F) | 21°C (70°F) | -- |
| 1971 | 23°C (73°F) | 11°C (51°F) | -- |