Weather on October 21 in Santiago
Historical weather data for October 21 in Santiago, Chile
Avg High26°C (79°F)
Avg Low8°C (47°F)
Warmest202522°C
Coldest200913°C
Based on 51 years of data from QUINTA NORMAL
About This Date
October 21st in Santiago, Chile typically brings pleasant fall weather, with average highs around 26°C and lows near 8°C — a 32°F daily swing. Over 51 years of records, the warmest October 21st was in 2025 (22°C average), while the coldest was 2009 (13°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 21st dates historically.
Planning for October 21st in Santiago? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 28°C (82°F) | 16°C (60°F) | -- |
| 2024 | -- | 8°C (47°F) | 0" |
| 2023 | -- | 11°C (51°F) | 0" |
| 2022 | -- | 9°C (48°F) | 0" |
| 2021 | -- | 7°C (44°F) | 0" |
| 2020 | 29°C (84°F) | 9°C (48°F) | 0" |
| 2019 | -- | 6°C (42°F) | 0" |
| 2018 | -- | 7°C (44°F) | 0" |
| 2017 | -- | 6°C (43°F) | 0" |
| 2015 | -- | 8°C (47°F) | 0" |
| 2014 | 31°C (88°F) | 11°C (51°F) | 0" |
| 2013 | -- | 7°C (45°F) | 0" |
| 2012 | 19°C (66°F) | 9°C (48°F) | 0" |
| 2011 | 30°C (86°F) | 9°C (48°F) | 0" |
| 2009 | 22°C (71°F) | 4°C (40°F) | 0" |
| 2008 | 24°C (76°F) | 7°C (45°F) | 0" |
| 2007 | -- | 10°C (50°F) | -- |
| 2006 | 28°C (83°F) | 11°C (52°F) | -- |
| 2005 | 23°C (73°F) | -- | -- |
| 2004 | 22°C (71°F) | 10°C (50°F) | 0" |
| 2003 | 27°C (81°F) | 7°C (45°F) | 0" |
| 2002 | -- | 3°C (38°F) | 0" |
| 2001 | -- | 6°C (42°F) | -- |
| 2000 | 28°C (82°F) | 11°C (51°F) | 0.08" |
| 1999 | -- | 8°C (46°F) | 0" |
| 1998 | 28°C (82°F) | 12°C (53°F) | 0" |
| 1997 | 23°C (73°F) | 11°C (52°F) | 0" |
| 1996 | -- | 4°C (40°F) | 0" |
| 1995 | 29°C (85°F) | -- | 0" |
| 1994 | -- | 4°C (40°F) | 0" |
| 1993 | -- | 7°C (44°F) | 0" |
| 1992 | 28°C (83°F) | 8°C (47°F) | 0" |
| 1991 | 28°C (83°F) | -- | 0" |
| 1990 | 26°C (79°F) | 9°C (48°F) | -- |
| 1989 | 28°C (82°F) | 3°C (38°F) | 0" |
| 1988 | 24°C (76°F) | 6°C (43°F) | 0" |
| 1987 | -- | 8°C (46°F) | 0" |
| 1986 | -- | 9°C (48°F) | 0" |
| 1985 | -- | 10°C (50°F) | -- |
| 1984 | -- | 13°C (55°F) | 0" |
| 1983 | 23°C (74°F) | -- | 0" |
| 1982 | -- | 8°C (46°F) | 0" |
| 1981 | 28°C (82°F) | 7°C (45°F) | 0" |
| 1980 | -- | 9°C (48°F) | 0" |
| 1979 | 21°C (70°F) | 7°C (45°F) | 0" |
| 1978 | 25°C (77°F) | 9°C (48°F) | 0" |
| 1977 | -- | 8°C (46°F) | 0" |
| 1976 | -- | 8°C (46°F) | -- |
| 1975 | 29°C (84°F) | -- | -- |
| 1974 | 26°C (79°F) | -- | -- |
| 1973 | -- | 8°C (46°F) | 0" |