Weather on August 21 in Santiago
Historical weather data for August 21 in Santiago, Chile
Avg High21°C (69°F)
Avg Low4°C (39°F)
Warmest200617°C
Coldest20247°C
Based on 48 years of data from QUINTA NORMAL
About This Date
August 21st in Santiago, Chile typically brings mild summer weather, with average highs around 21°C and lows near 4°C — a 30°F daily swing. Over 48 years of records, the warmest August 21st was in 2006 (17°C average), while the coldest was 2024 (7°C) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 8% of August 21st dates historically, with the wettest August 21st recording 1.02" of rain.
Planning for August 21st in Santiago? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 16°C (61°F) | 8°C (46°F) | -- |
| 2025 | 19°C (66°F) | -- | 1 mm |
| 2024 | 14°C (57°F) | 1°C (34°F) | -- |
| 2023 | -- | 9°C (49°F) | 0 mm |
| 2022 | 26°C (78°F) | 6°C (43°F) | 0 mm |
| 2021 | -- | 6°C (43°F) | 0 mm |
| 2020 | -- | 2°C (35°F) | 0 mm |
| 2019 | 26°C (79°F) | 6°C (43°F) | 0 mm |
| 2018 | 23°C (74°F) | 2°C (36°F) | 0 mm |
| 2017 | -- | 3°C (37°F) | 0 mm |
| 2016 | -- | 1°C (34°F) | 0 mm |
| 2015 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 2014 | -- | 9°C (49°F) | 0 mm |
| 2013 | 20°C (68°F) | 4°C (40°F) | 0 mm |
| 2012 | 24°C (75°F) | 6°C (43°F) | 0 mm |
| 2011 | -- | 0°C (32°F) | 0 mm |
| 2010 | 25°C (77°F) | 6°C (42°F) | 0 mm |
| 2009 | -- | 9°C (49°F) | 0 mm |
| 2008 | -- | 2°C (35°F) | 0 mm |
| 2007 | 22°C (72°F) | 2°C (36°F) | -- |
| 2006 | 28°C (82°F) | 7°C (45°F) | -- |
| 2005 | 16°C (60°F) | 4°C (40°F) | -- |
| 2004 | -- | -2°C (28°F) | -- |
| 2001 | -- | 3°C (38°F) | -- |
| 2000 | 18°C (64°F) | 6°C (43°F) | 1 mm |
| 1999 | -- | 8°C (46°F) | -- |
| 1998 | -- | 1°C (33°F) | 0 mm |
| 1997 | -- | 1°C (33°F) | 0 mm |
| 1996 | 21°C (69°F) | -- | -- |
| 1994 | 18°C (64°F) | 1°C (33°F) | 0 mm |
| 1993 | 23°C (74°F) | 1°C (34°F) | 0 mm |
| 1992 | 26°C (78°F) | -- | 0 mm |
| 1991 | 20°C (68°F) | 1°C (34°F) | 0 mm |
| 1990 | 23°C (73°F) | -- | -- |
| 1989 | -- | 1°C (33°F) | 2 mm |
| 1988 | -- | 3°C (38°F) | -- |
| 1987 | 21°C (69°F) | -- | 0 mm |
| 1986 | -- | 9°C (48°F) | 26 mm |
| 1984 | 14°C (57°F) | 2°C (35°F) | 0 mm |
| 1983 | -- | 6°C (43°F) | 0 mm |
| 1981 | 15°C (59°F) | 5°C (41°F) | 0 mm |
| 1980 | -- | 1°C (34°F) | 0 mm |
| 1979 | -- | 6°C (43°F) | -- |
| 1978 | 15°C (59°F) | 4°C (39°F) | 0 mm |
| 1977 | -- | 8°C (46°F) | 0 mm |
| 1976 | -- | 1°C (34°F) | -- |
| 1975 | 17°C (63°F) | -1°C (30°F) | -- |
| 1973 | -- | 8°C (46°F) | 0 mm |