Weather on December 21
Ventura, CA
55 Years of Data
Avg High
66°F
Avg Low
34°F
Warmest
2005
62°F avg
Coldest
2010
8°F avg
About This Date
December 21st in Ventura, CA typically brings mild winter weather, with average highs around 66°F and lows near 34°F — a 32°F daily swing. Over 54 years of records, the warmest December 21st was in 2005 (62°F average), while the coldest was 2010 (8°F) — a 54°F range across recorded history. Rain or other precipitation has occurred on about 4% of December 21st dates historically, with the wettest December 21st recording 7.92" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Ventura, CA? Great weather for outdoor activities.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 40° | 55° | — | — |
| 2024 | 74° | 33° | 53° | — | — |
| 2023 | 59° | 51° | 55° | 7.92" | — |
| 2022 | 69° | 32° | 51° | — | — |
| 2021 | 65° | 33° | 49° | — | — |
| 2020 | 87° | 32° | 60° | — | — |
| 2019 | 75° | 35° | 55° | — | — |
| 2017 | 61° | 26° | 43° | — | — |
| 2016 | 77° | 32° | 55° | — | — |
| 2015 | 59° | 30° | 45° | — | — |
| 2014 | 66° | 43° | 54° | — | — |
| 2013 | 61° | 32° | 46° | — | — |
| 2012 | 63° | 28° | 45° | — | — |
| 2011 | 63° | 34° | 48° | — | — |
| 2010coldest | 55° | -40° | 8° | — | — |
| 2009 | 63° | 43° | 53° | — | — |
| 2008 | 64° | 36° | 50° | — | — |
| 2007 | 54° | 32° | 43° | — | — |
| 2006 | 59° | 30° | 45° | — | — |
| 2005warmest | 79° | 46° | 62° | — | — |
| 2004 | 64° | 37° | 51° | — | — |
| 2003 | 64° | 39° | 52° | — | — |
| 2002 | 54° | 37° | 45° | — | — |
| 2001 | 55° | 39° | 47° | — | — |
| 2000 | 72° | 34° | 53° | — | — |
| 1999 | 79° | 36° | 57° | — | — |
| 1998 | 55° | 23° | 39° | — | — |
| 1997 | 69° | 34° | 51° | — | — |
| 1996 | 60° | 33° | 47° | — | — |
| 1995 | 66° | 32° | 49° | — | — |
| 1994 | 80° | 34° | 57° | — | — |
| 1993 | 72° | 28° | 50° | — | — |
| 1992 | 64° | 28° | 46° | — | — |
| 1991 | 75° | 34° | 54° | — | — |
| 1990 | 47° | 32° | 39° | — | — |
| 1989 | 65° | 33° | 49° | — | — |
| 1988 | 61° | 42° | 51° | 3.23" | — |
| 1987 | 67° | 33° | 50° | — | — |
| 1986 | 72° | 35° | 53° | — | — |
| 1985 | 82° | 36° | 59° | — | — |
| 1984 | 60° | 31° | 45° | — | — |
| 1983 | 62° | 31° | 46° | — | — |
| 1982 | 59° | 34° | 46° | — | — |
| 1981 | 65° | 39° | 52° | — | — |
| 1980 | 77° | 39° | 58° | — | — |
| 1979 | 65° | 48° | 56° | — | — |
| 1978 | 65° | 31° | 48° | — | — |
| 1977 | 69° | 49° | 59° | — | — |
| 1976 | 70° | 33° | 51° | — | — |
| 1975 | 67° | 39° | 53° | — | — |
| 1974 | 71° | 38° | 54° | — | — |
| 1973 | 72° | 38° | 55° | — | — |
| 1972 | 78° | 42° | 60° | — | — |
| 1971 | 59° | 34° | 46° | — | — |
54 years of data from OJAI CALIFORNIA