Weather on December 31
Antioch, CA
55 Years of Data
Avg High
54°F
Avg Low
39°F
Warmest
1996
58°F avg
Coldest
1978
34°F avg
About This Date
December 31st in Antioch, CA typically brings cool winter weather, with average highs around 54°F and lows near 39°F. Over 54 years of records, the warmest December 31st was in 1996 (58°F average), while the coldest was 1978 (34°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 17% of December 31st dates historically, with the wettest December 31st recording 2.46" of rain. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for December 31st in Antioch, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 51° | 42° | 47° | — | — |
| 2024 | 52° | 41° | 46° | — | — |
| 2022 | 54° | 44° | 49° | — | — |
| 2021 | 46° | 36° | 41° | — | — |
| 2020 | 61° | 44° | 52° | 0.03" | — |
| 2019 | 59° | 43° | 51° | — | — |
| 2018 | 55° | 43° | 49° | — | — |
| 2017 | 56° | 46° | 51° | — | — |
| 2016 | 54° | 39° | 46° | — | — |
| 2015 | 50° | 35° | 43° | — | — |
| 2014 | 54° | 39° | 46° | — | — |
| 2013 | 61° | 40° | 50° | — | — |
| 2012 | 49° | 37° | 43° | — | — |
| 2011 | 70° | 36° | 53° | — | — |
| 2010 | 54° | 33° | 43° | — | — |
| 2009 | 55° | 36° | 45° | — | — |
| 2008 | 42° | 37° | 40° | — | — |
| 2007 | 52° | 32° | 42° | — | — |
| 2006 | 54° | 38° | 46° | — | — |
| 2005 | 64° | 42° | 53° | 0.89" | — |
| 2004 | 56° | 43° | 49° | 2.46" | — |
| 2003 | 54° | 52° | 53° | — | — |
| 2002 | 59° | 40° | 49° | — | — |
| 2001 | 56° | 50° | 53° | — | — |
| 2000 | 58° | 47° | 52° | — | — |
| 1999 | 59° | 39° | 49° | — | — |
| 1998 | 60° | 31° | 45° | — | — |
| 1997 | 57° | 37° | 47° | — | — |
| 1996warmest | 63° | 54° | 58° | 0.08" | — |
| 1995 | 54° | 45° | 49° | — | — |
| 1994 | 41° | 36° | 38° | — | — |
| 1993 | 51° | 36° | 43° | — | — |
| 1992 | 55° | 41° | 48° | — | — |
| 1991 | 53° | 43° | 48° | — | — |
| 1990 | 46° | 31° | 38° | — | — |
| 1989 | 52° | 28° | 40° | — | — |
| 1988 | 44° | 30° | 37° | 0.46" | — |
| 1987 | 44° | 32° | 38° | — | — |
| 1986 | 44° | 40° | 42° | 0.05" | — |
| 1985 | 54° | 47° | 50° | — | — |
| 1984 | 46° | 27° | 36° | — | — |
| 1983 | 57° | 49° | 53° | 0.51" | — |
| 1982 | 49° | 30° | 39° | — | — |
| 1981 | 58° | 47° | 52° | — | — |
| 1980 | 45° | 38° | 41° | — | — |
| 1979 | 55° | 41° | 48° | 0.64" | — |
| 1978coldest | 46° | 21° | 34° | — | — |
| 1977 | 60° | 39° | 50° | — | — |
| 1976 | 50° | 43° | 46° | 0.89" | — |
| 1975 | 57° | 41° | 49° | — | — |
| 1974 | 50° | 38° | 44° | — | — |
| 1973 | 57° | 37° | 47° | — | — |
| 1972 | 55° | 35° | 45° | — | — |
| 1971 | 52° | 31° | 41° | — | — |
54 years of data from ANTIOCH FIBREBRD MILLS