Weather on December 31 in Buenos Aires
Historical weather data for December 31 in Buenos Aires, Argentina
Avg High30°C (86°F)
Avg Low21°C (69°F)
Warmest197531°C
Coldest199717°C
Based on 54 years of data from AEROPARQUE JORGE NEWBERY
About This Date
December 31st in Buenos Aires, Argentina typically brings warm winter weather, with average highs around 30°C and lows near 21°C. Over 54 years of records, the warmest December 31st was in 1975 (31°C average), while the coldest was 1997 (17°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 31st dates historically.
Planning for December 31st in Buenos Aires? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2024 | -- | 21°C (69°F) | -- |
| 2023 | -- | 21°C (69°F) | -- |
| 2022 | 35°C (95°F) | -- | -- |
| 2021 | 34°C (94°F) | 22°C (71°F) | -- |
| 2020 | -- | 15°C (59°F) | -- |
| 2019 | -- | 22°C (71°F) | -- |
| 2018 | 27°C (81°F) | 21°C (69°F) | -- |
| 2017 | 33°C (92°F) | 18°C (65°F) | 4 mm |
| 2016 | -- | 24°C (76°F) | -- |
| 2015 | 29°C (85°F) | -- | -- |
| 2014 | 29°C (85°F) | -- | 0 mm |
| 2013 | 37°C (99°F) | 24°C (75°F) | 1 mm |
| 2012 | 34°C (93°F) | -- | -- |
| 2011 | -- | 22°C (71°F) | -- |
| 2010 | 28°C (83°F) | 22°C (71°F) | -- |
| 2009 | 28°C (82°F) | 19°C (67°F) | -- |
| 2008 | 25°C (77°F) | 20°C (68°F) | -- |
| 2007 | -- | 24°C (75°F) | -- |
| 2006 | -- | 22°C (72°F) | 0 mm |
| 2005 | -- | 18°C (64°F) | -- |
| 2004 | -- | 24°C (75°F) | 0 mm |
| 2003 | 31°C (87°F) | 13°C (55°F) | 2 mm |
| 2002 | 23°C (73°F) | 18°C (65°F) | 1 mm |
| 2001 | 29°C (84°F) | 20°C (68°F) | 0 mm |
| 2000 | -- | 19°C (67°F) | 0 mm |
| 1999 | 26°C (79°F) | -- | -- |
| 1998 | 28°C (83°F) | 18°C (64°F) | -- |
| 1997 | 21°C (69°F) | 13°C (56°F) | -- |
| 1996 | 33°C (92°F) | 22°C (71°F) | 1 mm |
| 1995 | -- | 22°C (71°F) | -- |
| 1994 | -- | 24°C (76°F) | 0 mm |
| 1993 | -- | 21°C (69°F) | 0 mm |
| 1992 | 27°C (80°F) | 22°C (71°F) | -- |
| 1991 | 28°C (83°F) | 22°C (71°F) | -- |
| 1990 | 31°C (87°F) | 21°C (70°F) | -- |
| 1989 | 28°C (83°F) | 18°C (64°F) | -- |
| 1988 | -- | 22°C (72°F) | -- |
| 1987 | 28°C (82°F) | 18°C (65°F) | -- |
| 1986 | 22°C (71°F) | 14°C (57°F) | -- |
| 1985 | 33°C (91°F) | 23°C (74°F) | -- |
| 1984 | 36°C (96°F) | 22°C (71°F) | -- |
| 1983 | 25°C (77°F) | 21°C (69°F) | -- |
| 1982 | -- | 26°C (78°F) | -- |
| 1981 | 32°C (90°F) | -- | -- |
| 1980 | 32°C (90°F) | 24°C (75°F) | 0 mm |
| 1979 | -- | 11°C (52°F) | 0 mm |
| 1978 | 28°C (83°F) | 19°C (66°F) | -- |
| 1977 | -- | 16°C (61°F) | 9 mm |
| 1976 | -- | 22°C (72°F) | 1 mm |
| 1975 | 37°C (98°F) | 26°C (78°F) | -- |
| 1974 | -- | 13°C (55°F) | 0 mm |
| 1973 | -- | 24°C (75°F) | 0 mm |
| 1972 | 33°C (91°F) | 21°C (69°F) | -- |
| 1971 | 32°C (90°F) | 26°C (79°F) | -- |