Weather on December 18
Ventura, CA
55 Years of Data
Avg High
67°F
Avg Low
36°F
Warmest
2025
62°F avg
Coldest
2016
42°F avg
About This Date
December 18th in Ventura, CA typically brings mild winter weather, with average highs around 67°F and lows near 36°F — a 31°F daily swing. Over 55 years of records, the warmest December 18th was in 2025 (62°F average), while the coldest was 2016 (42°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 18th dates historically, with the wettest December 18th recording 2.64" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Ventura, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 81° | 43° | 62° | — | — |
| 2024 | 79° | 37° | 58° | — | — |
| 2023 | 74° | 46° | 60° | — | — |
| 2022 | 64° | 28° | 46° | — | — |
| 2021 | 66° | 27° | 46° | — | — |
| 2020 | 67° | 29° | 48° | — | — |
| 2019 | 69° | 28° | 49° | — | — |
| 2018 | 62° | 37° | 50° | 0.03" | — |
| 2017 | 72° | 30° | 51° | — | — |
| 2016coldest | 60° | 25° | 42° | — | — |
| 2015 | 66° | 28° | 47° | — | — |
| 2014 | 58° | 38° | 48° | 0.03" | — |
| 2013 | 73° | 43° | 58° | — | — |
| 2012 | 59° | 45° | 52° | — | — |
| 2011 | 61° | 37° | 49° | — | — |
| 2010 | 55° | 52° | 53° | — | — |
| 2009 | 75° | 43° | 59° | — | — |
| 2008 | 55° | 30° | 43° | — | — |
| 2007 | 50° | 46° | 48° | — | — |
| 2006 | 55° | 30° | 43° | — | — |
| 2005 | 57° | 43° | 50° | — | — |
| 2004 | 81° | 34° | 57° | — | — |
| 2003 | 79° | 36° | 57° | — | — |
| 2002 | 59° | 36° | 47° | — | — |
| 2001 | 66° | 34° | 50° | — | — |
| 2000 | 77° | 37° | 57° | — | — |
| 1999 | 84° | 35° | 60° | — | — |
| 1998 | 67° | 38° | 52° | — | — |
| 1997 | 56° | 38° | 47° | — | — |
| 1996 | 71° | 35° | 53° | — | — |
| 1995 | 64° | 32° | 48° | — | — |
| 1994 | 71° | 35° | 53° | — | — |
| 1993 | 64° | 36° | 50° | — | — |
| 1992 | 59° | 30° | 45° | 1.17" | — |
| 1991 | 69° | 42° | 56° | — | — |
| 1990 | 63° | 28° | 45° | — | — |
| 1989 | 62° | 35° | 49° | — | — |
| 1988 | 57° | 41° | 49° | 1.04" | — |
| 1987 | 66° | 32° | 49° | — | — |
| 1986 | 72° | 37° | 54° | — | — |
| 1985 | 81° | 36° | 58° | — | — |
| 1984 | — | 31° | — | 0.13" | — |
| 1983 | 67° | 37° | 52° | — | — |
| 1982 | 73° | 23° | 48° | — | — |
| 1981 | 69° | 40° | 54° | — | — |
| 1980 | 69° | 42° | 56° | — | — |
| 1979 | 75° | 36° | 55° | — | — |
| 1978 | 52° | 43° | 47° | 2.64" | — |
| 1977 | 65° | 45° | 55° | 2.18" | — |
| 1976 | 68° | 36° | 52° | — | — |
| 1975 | 74° | 32° | 53° | — | — |
| 1974 | 68° | 33° | 51° | — | — |
| 1973 | 73° | 37° | 55° | — | — |
| 1972 | 73° | 40° | 56° | — | — |
| 1971 | 66° | 37° | 52° | — | — |
55 years of data from OJAI CALIFORNIA