Weather on August 21 in Rosario
Historical weather data for August 21 in Rosario, Argentina
Avg High19°C (67°F)
Avg Low6°C (42°F)
Warmest199921°C
Coldest20117°C
Based on 55 years of data from ROSARIO
About This Date
August 21st in Rosario, Argentina typically brings mild summer weather, with average highs around 19°C and lows near 6°C — a 25°F daily swing. Over 55 years of records, the warmest August 21st was in 1999 (21°C average), while the coldest was 2011 (7°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 21st dates historically, with the wettest August 21st recording 2.52" of rain.
Planning for August 21st in Rosario? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | -- | 6°C (43°F) | -- |
| 2024 | 12°C (54°F) | 9°C (49°F) | -- |
| 2023 | -- | 6°C (42°F) | -- |
| 2022 | -- | 3°C (37°F) | -- |
| 2021 | 22°C (72°F) | 4°C (40°F) | -- |
| 2020 | -- | -4°C (24°F) | -- |
| 2019 | -- | 3°C (37°F) | -- |
| 2018 | -- | -2°C (28°F) | -- |
| 2017 | -- | 4°C (39°F) | -- |
| 2016 | -- | 0°C (32°F) | -- |
| 2015 | -- | 8°C (46°F) | -- |
| 2014 | -- | 19°C (67°F) | -- |
| 2013 | -- | 12°C (53°F) | -- |
| 2012 | 20°C (68°F) | 6°C (43°F) | 0 mm |
| 2011 | 15°C (59°F) | -2°C (29°F) | -- |
| 2010 | -- | 6°C (43°F) | -- |
| 2009 | -- | -1°C (31°F) | -- |
| 2008 | -- | 3°C (38°F) | 0 mm |
| 2007 | -- | 1°C (34°F) | -- |
| 2006 | -- | -5°C (23°F) | -- |
| 2005 | -- | 11°C (52°F) | -- |
| 2004 | 11°C (52°F) | 6°C (42°F) | 0 mm |
| 2003 | 25°C (77°F) | 11°C (51°F) | 64 mm |
| 2002 | 20°C (68°F) | 7°C (44°F) | -- |
| 2001 | -- | 5°C (41°F) | -- |
| 2000 | 24°C (76°F) | 16°C (61°F) | -- |
| 1999 | 28°C (82°F) | 13°C (56°F) | -- |
| 1998 | 12°C (54°F) | 4°C (39°F) | 0 mm |
| 1997 | 13°C (55°F) | 4°C (39°F) | -- |
| 1996 | -- | 6°C (42°F) | -- |
| 1995 | -- | 1°C (33°F) | -- |
| 1994 | -- | 12°C (53°F) | -- |
| 1993 | 20°C (68°F) | 6°C (42°F) | -- |
| 1992 | -- | 13°C (55°F) | 0 mm |
| 1991 | 27°C (80°F) | 13°C (56°F) | -- |
| 1990 | -- | 9°C (48°F) | -- |
| 1989 | -- | 10°C (50°F) | 21 mm |
| 1988 | 23°C (73°F) | 5°C (41°F) | -- |
| 1987 | -- | -1°C (31°F) | -- |
| 1986 | 17°C (63°F) | 7°C (44°F) | -- |
| 1985 | 17°C (62°F) | 3°C (38°F) | 0 mm |
| 1984 | 22°C (72°F) | 10°C (50°F) | 0 mm |
| 1983 | -- | 7°C (44°F) | 0 mm |
| 1982 | 23°C (73°F) | -- | 0 mm |
| 1981 | 24°C (75°F) | 6°C (43°F) | 0 mm |
| 1980 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 1979 | -- | 13°C (55°F) | 0 mm |
| 1978 | -- | 1°C (34°F) | 0 mm |
| 1977 | -- | 5°C (41°F) | 0 mm |
| 1976 | 22°C (71°F) | 4°C (39°F) | -- |
| 1975 | -- | 6°C (43°F) | -- |
| 1974 | -- | 2°C (36°F) | 0 mm |
| 1973 | -- | 4°C (39°F) | 0 mm |
| 1972 | 9°C (49°F) | 7°C (44°F) | -- |
| 1971 | 16°C (61°F) | 6°C (43°F) | -- |