Weather on December 20 in Santiago
Historical weather data for December 20 in Santiago, Chile
Avg High29°C (85°F)
Avg Low12°C (53°F)
Warmest202526°C
Coldest198118°C
Based on 50 years of data from QUINTA NORMAL
About This Date
December 20th in Santiago, Chile typically brings warm winter weather, with average highs around 29°C and lows near 12°C — a 32°F daily swing. Over 50 years of records, the warmest December 20th was in 2025 (26°C average), while the coldest was 1981 (18°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 2% of December 20th dates historically, with the wettest December 20th recording 2.21" of rain.
Planning for December 20th in Santiago? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 30°C (86°F) | 22°C (71°F) | -- |
| 2024 | 34°C (93°F) | 13°C (56°F) | 0" |
| 2023 | -- | 9°C (48°F) | 0" |
| 2022 | -- | 17°C (63°F) | -- |
| 2021 | -- | 15°C (59°F) | -- |
| 2020 | -- | 9°C (48°F) | 0" |
| 2019 | -- | 12°C (54°F) | 0" |
| 2018 | 29°C (85°F) | 10°C (50°F) | 0" |
| 2014 | 26°C (79°F) | 10°C (50°F) | 0" |
| 2013 | 29°C (84°F) | 12°C (54°F) | 0" |
| 2012 | -- | 10°C (50°F) | 2.21" |
| 2011 | 33°C (91°F) | 13°C (56°F) | 0" |
| 2010 | -- | 11°C (51°F) | 0" |
| 2009 | -- | 11°C (52°F) | 0" |
| 2008 | 30°C (86°F) | 13°C (55°F) | 0" |
| 2007 | 31°C (88°F) | 13°C (55°F) | 0" |
| 2006 | -- | 12°C (53°F) | -- |
| 2005 | 30°C (86°F) | -- | -- |
| 2004 | 29°C (85°F) | 11°C (51°F) | 0" |
| 2003 | -- | 13°C (55°F) | 0" |
| 2002 | 27°C (81°F) | 10°C (50°F) | 0" |
| 2001 | 28°C (82°F) | 14°C (58°F) | -- |
| 2000 | 27°C (81°F) | 13°C (55°F) | -- |
| 1999 | 27°C (81°F) | 9°C (49°F) | 0" |
| 1998 | 28°C (82°F) | -- | 0" |
| 1997 | 30°C (86°F) | -- | -- |
| 1996 | 29°C (85°F) | -- | 0" |
| 1995 | 30°C (86°F) | 13°C (55°F) | 0" |
| 1994 | 31°C (88°F) | 13°C (55°F) | 0" |
| 1993 | -- | 11°C (51°F) | 0" |
| 1992 | -- | 10°C (50°F) | 0" |
| 1991 | -- | 14°C (57°F) | -- |
| 1990 | -- | 10°C (50°F) | 0" |
| 1989 | 32°C (89°F) | -- | -- |
| 1988 | 30°C (86°F) | -- | -- |
| 1987 | -- | 12°C (54°F) | 0" |
| 1986 | -- | 12°C (53°F) | 0" |
| 1985 | -- | 10°C (50°F) | 0" |
| 1984 | -- | 8°C (46°F) | 0" |
| 1983 | -- | 10°C (50°F) | 0" |
| 1982 | 29°C (85°F) | -- | -- |
| 1981 | 28°C (82°F) | 7°C (45°F) | 0" |
| 1980 | -- | 6°C (43°F) | 0" |
| 1979 | -- | 12°C (54°F) | 0" |
| 1978 | -- | 11°C (52°F) | 0" |
| 1977 | -- | 10°C (50°F) | 0" |
| 1976 | 28°C (82°F) | 10°C (50°F) | 0" |
| 1975 | 30°C (86°F) | 9°C (48°F) | -- |
| 1974 | 29°C (84°F) | 10°C (50°F) | 0" |
| 1973 | -- | 11°C (52°F) | -- |