Weather on December 21 in Rosario
Historical weather data for December 21 in Rosario, Argentina
Avg High31°C (88°F)
Avg Low17°C (63°F)
Warmest202127°C
Coldest197119°C
Based on 54 years of data from ROSARIO
About This Date
December 21st in Rosario, Argentina typically brings warm winter weather, with average highs around 31°C and lows near 17°C — a 25°F daily swing. Over 54 years of records, the warmest December 21st was in 2021 (27°C average), while the coldest was 1971 (19°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 21st dates historically, with the wettest December 21st recording 2.11" of rain.
Planning for December 21st in Rosario? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2024 | 32°C (90°F) | -- | -- |
| 2023 | -- | 18°C (64°F) | -- |
| 2022 | 34°C (93°F) | 21°C (70°F) | -- |
| 2021 | 34°C (94°F) | 21°C (69°F) | 0" |
| 2020 | -- | 12°C (53°F) | -- |
| 2019 | -- | 13°C (56°F) | -- |
| 2018 | 28°C (83°F) | 16°C (61°F) | -- |
| 2017 | 32°C (89°F) | 22°C (71°F) | 0" |
| 2016 | -- | 17°C (62°F) | -- |
| 2015 | -- | 21°C (69°F) | -- |
| 2014 | 24°C (76°F) | 16°C (60°F) | 0.41" |
| 2013 | -- | 20°C (68°F) | -- |
| 2012 | 27°C (81°F) | 16°C (60°F) | 0" |
| 2011 | -- | 24°C (76°F) | 0" |
| 2010 | -- | 18°C (65°F) | 0" |
| 2009 | 29°C (84°F) | 19°C (67°F) | -- |
| 2008 | 38°C (101°F) | -- | 0.3" |
| 2007 | -- | 19°C (66°F) | -- |
| 2006 | -- | 15°C (59°F) | 0" |
| 2005 | -- | 14°C (58°F) | -- |
| 2004 | -- | 18°C (64°F) | 0" |
| 2003 | 33°C (92°F) | 20°C (68°F) | 0" |
| 2002 | -- | 17°C (63°F) | 0" |
| 2001 | 31°C (87°F) | 18°C (64°F) | -- |
| 2000 | -- | 18°C (65°F) | -- |
| 1999 | 32°C (89°F) | 19°C (67°F) | -- |
| 1998 | -- | 14°C (58°F) | 1.6" |
| 1997 | 26°C (78°F) | -- | 0.03" |
| 1996 | 31°C (88°F) | -- | 0.99" |
| 1995 | 39°C (102°F) | -- | -- |
| 1994 | -- | 20°C (68°F) | 0" |
| 1993 | -- | 14°C (58°F) | 0" |
| 1992 | 31°C (88°F) | 16°C (60°F) | 0" |
| 1991 | 31°C (87°F) | 21°C (69°F) | 0" |
| 1990 | -- | 21°C (69°F) | -- |
| 1989 | 29°C (85°F) | 19°C (67°F) | -- |
| 1988 | -- | 14°C (58°F) | 0" |
| 1987 | -- | 13°C (55°F) | -- |
| 1986 | 33°C (91°F) | 21°C (69°F) | -- |
| 1985 | 32°C (90°F) | 19°C (67°F) | -- |
| 1984 | 28°C (82°F) | 15°C (59°F) | -- |
| 1983 | 33°C (91°F) | 14°C (57°F) | -- |
| 1982 | 34°C (93°F) | 17°C (62°F) | 0.03" |
| 1981 | 28°C (82°F) | 15°C (59°F) | 0" |
| 1980 | -- | 7°C (45°F) | 0" |
| 1979 | 32°C (90°F) | 18°C (64°F) | 0" |
| 1978 | -- | 19°C (66°F) | 0" |
| 1977 | 26°C (78°F) | 14°C (58°F) | -- |
| 1976 | -- | 16°C (61°F) | 2.11" |
| 1975 | 34°C (93°F) | 11°C (51°F) | -- |
| 1974 | -- | 17°C (63°F) | 0" |
| 1973 | -- | 18°C (64°F) | 0" |
| 1972 | 34°C (94°F) | 19°C (66°F) | -- |
| 1971 | 27°C (81°F) | 11°C (51°F) | -- |