Weather on December 18 in Valparaíso
Historical weather data for December 18 in Valparaíso, Chile
Avg High28°C (83°F)
Avg Low11°C (52°F)
Warmest202526°C
Coldest198012°C
Based on 48 years of data from QUINTERO
About This Date
December 18th in Valparaíso, Chile typically brings warm winter weather, with average highs around 28°C and lows near 11°C — a 31°F daily swing. Over 48 years of records, the warmest December 18th was in 2025 (26°C average), while the coldest was 1980 (12°C) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for December 18th in Valparaíso? 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 | 28°C (83°F) | -- | 0" |
| 2023 | -- | 9°C (49°F) | 0" |
| 2022 | -- | 11°C (52°F) | 0" |
| 2021 | -- | 12°C (53°F) | 0" |
| 2020 | 31°C (87°F) | -- | 0" |
| 2019 | 33°C (92°F) | 14°C (57°F) | 0" |
| 2018 | -- | 13°C (56°F) | 0" |
| 2017 | 33°C (91°F) | 14°C (57°F) | 0" |
| 2014 | 29°C (84°F) | 12°C (54°F) | 0" |
| 2013 | 31°C (87°F) | -- | 0" |
| 2012 | 28°C (82°F) | 13°C (55°F) | 0" |
| 2010 | -- | 10°C (50°F) | 0" |
| 2009 | 31°C (87°F) | 14°C (57°F) | 0" |
| 2008 | 29°C (84°F) | 14°C (57°F) | 0" |
| 2007 | -- | 13°C (55°F) | 0" |
| 2006 | -- | 9°C (49°F) | -- |
| 2005 | 31°C (87°F) | 12°C (53°F) | -- |
| 2003 | 33°C (91°F) | 10°C (50°F) | 0" |
| 2002 | 29°C (84°F) | 9°C (49°F) | 0" |
| 2001 | 32°C (90°F) | 15°C (59°F) | -- |
| 2000 | 32°C (90°F) | 13°C (55°F) | -- |
| 1999 | 27°C (80°F) | 11°C (51°F) | 0" |
| 1998 | 29°C (85°F) | 11°C (51°F) | 0" |
| 1997 | -- | 9°C (48°F) | 0" |
| 1996 | 32°C (90°F) | 9°C (49°F) | 0" |
| 1995 | 30°C (86°F) | 13°C (55°F) | 0" |
| 1994 | -- | 10°C (50°F) | 0" |
| 1993 | 28°C (82°F) | 12°C (53°F) | 0" |
| 1992 | 29°C (84°F) | 9°C (49°F) | 0" |
| 1991 | -- | 9°C (48°F) | -- |
| 1990 | -- | 10°C (50°F) | 0" |
| 1989 | -- | 10°C (50°F) | -- |
| 1988 | 24°C (76°F) | 9°C (49°F) | 0" |
| 1987 | -- | 8°C (46°F) | 0" |
| 1986 | 31°C (88°F) | 13°C (55°F) | 0" |
| 1984 | 30°C (86°F) | 11°C (51°F) | 0" |
| 1983 | 28°C (83°F) | -- | -- |
| 1982 | -- | 7°C (44°F) | -- |
| 1981 | -- | 10°C (50°F) | 0" |
| 1980 | 17°C (63°F) | 7°C (45°F) | 0" |
| 1979 | -- | 10°C (50°F) | 0" |
| 1978 | 20°C (68°F) | 15°C (59°F) | 0" |
| 1977 | 21°C (70°F) | 14°C (57°F) | 0" |
| 1976 | 21°C (70°F) | -- | -- |
| 1975 | -- | 11°C (52°F) | -- |
| 1974 | -- | 13°C (55°F) | -- |
| 1973 | -- | 11°C (52°F) | 0" |