Weather on December 20 at Channel Islands
Channel Islands National Park
Based on 55 years of data from Ventura, CA
Planning Your Visit
December 20th in Channel Islands National Park (via Ventura, CA) typically brings mild winter weather, with average highs around 67°F and lows near 35°F — a 32°F daily swing. Over 55 years of records, the warmest December 20th was in 1972 (61°F average), while the coldest was 1998 (42°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 11% of December 20th dates historically, with the wettest December 20th recording 5.08" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Channel Islands? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 38°F | 0" | -- |
| 2024 | 82°F | 34°F | 0" | -- |
| 2023 | 57°F | 54°F | 2.67" | -- |
| 2022 | 66°F | 26°F | 0" | -- |
| 2021 | 68°F | 25°F | 0" | -- |
| 2020 | 75°F | 28°F | 0" | -- |
| 2019 | 67°F | 31°F | 0" | -- |
| 2018 | 68°F | -- | 0" | -- |
| 2017 | 69°F | 30°F | 0" | -- |
| 2016 | 69°F | 24°F | 0" | -- |
| 2015 | 65°F | 29°F | 0.3" | -- |
| 2014 | 62°F | 39°F | 0" | -- |
| 2013 | 63°F | 33°F | 0.05" | -- |
| 2012 | 63°F | 28°F | -- | -- |
| 2011 | 63°F | 36°F | -- | -- |
| 2010 | 54°F | 49°F | 0.97" | 0" |
| 2009 | 70°F | 43°F | -- | -- |
| 2008 | 61°F | 30°F | -- | -- |
| 2007 | 48°F | 36°F | -- | -- |
| 2006 | 57°F | 30°F | -- | -- |
| 2005 | 75°F | 43°F | -- | -- |
| 2004 | 72°F | 39°F | -- | -- |
| 2003 | 63°F | 43°F | -- | -- |
| 2002 | 55°F | 41°F | -- | -- |
| 2001 | 55°F | 39°F | -- | -- |
| 2000 | 73°F | 36°F | -- | -- |
| 1999 | 84°F | 38°F | 0" | 0" |
| 1998 | 56°F | 29°F | 0" | 0" |
| 1997 | 69°F | 32°F | 0" | 0" |
| 1996 | 71°F | 32°F | 0" | 0" |
| 1995 | 66°F | 38°F | 0" | 0" |
| 1994 | 82°F | 36°F | 0" | 0" |
| 1993 | 70°F | 32°F | 0" | 0" |
| 1992 | 61°F | 25°F | 0" | 0" |
| 1991 | 75°F | 30°F | 0" | 0" |
| 1990 | 57°F | 31°F | 0" | 0" |
| 1989 | 70°F | 32°F | 0" | 0" |
| 1988 | 57°F | 45°F | 0.13" | 0" |
| 1987 | 65°F | 39°F | 0" | 0" |
| 1986 | 66°F | 39°F | 0" | 0" |
| 1985 | 83°F | 37°F | 0" | 0" |
| 1984 | 58°F | 32°F | 5.08" | 0" |
| 1983 | 61°F | 36°F | 0" | 0" |
| 1982 | 72°F | 34°F | 0" | 0" |
| 1981 | 66°F | 42°F | 0" | 0" |
| 1980 | 77°F | 39°F | 0" | 0" |
| 1979 | 66°F | 33°F | 0" | 0" |
| 1978 | 61°F | 29°F | 0" | 0" |
| 1977 | 69°F | 43°F | 0" | 0" |
| 1976 | 70°F | 35°F | 0" | 0" |
| 1975 | 69°F | 31°F | 0" | 0" |
| 1974 | 71°F | 37°F | 0" | 0" |
| 1973 | 72°F | 32°F | 0" | 0" |
| 1972 | 77°F | 45°F | 0" | 0" |
| 1971 | 59°F | 30°F | 0" | 0" |