Weather on December 12
Vallejo, CA
55 Years of Data
Avg High
55°F
Avg Low
40°F
Warmest
1995
59°F avg
Coldest
1972
35°F avg
About This Date
December 12th in Vallejo, CA typically brings cool winter weather, with average highs around 55°F and lows near 40°F. Over 55 years of records, the warmest December 12th was in 1995 (59°F average), while the coldest was 1972 (35°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 12th dates historically, with the wettest December 12th recording 5.94" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for December 12th in Vallejo, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 39° | 42° | — | — |
| 2024 | 57° | 47° | 52° | 1.78" | — |
| 2023 | 66° | 44° | 55° | — | — |
| 2022 | 53° | 42° | 48° | 1.88" | — |
| 2021 | 54° | 45° | 49° | 0.71" | — |
| 2020 | 54° | 47° | 50° | 0.84" | — |
| 2019 | 60° | 52° | 56° | 0.25" | — |
| 2018 | 63° | 43° | 53° | — | — |
| 2017 | 63° | 41° | 52° | — | — |
| 2016 | 55° | 43° | 49° | — | — |
| 2015 | 57° | 40° | 48° | — | — |
| 2014 | 54° | 40° | 47° | 0.69" | — |
| 2013 | 58° | 26° | 42° | — | — |
| 2012 | 57° | 34° | 45° | — | — |
| 2011 | 55° | 32° | 44° | 0.08" | — |
| 2010 | 60° | 51° | 56° | — | — |
| 2009 | 54° | 45° | 49° | 0.91" | — |
| 2008 | 55° | 30° | 43° | — | — |
| 2007 | 55° | 28° | 42° | — | — |
| 2006 | 56° | 50° | 53° | 0.48" | — |
| 2005 | 62° | 53° | 58° | — | — |
| 2004 | 58° | 47° | 52° | — | — |
| 2003 | 50° | 38° | 44° | 0.1" | — |
| 2002 | 55° | 44° | 50° | — | — |
| 2001 | 59° | 36° | 47° | — | — |
| 2000 | 57° | 40° | 48° | 1.02" | — |
| 1999 | 57° | 40° | 48° | — | — |
| 1998 | 56° | 37° | 46° | — | — |
| 1997 | 49° | 39° | 44° | — | — |
| 1996 | 64° | 51° | 58° | 1.45" | — |
| 1995warmest | 64° | 54° | 59° | 5.94" | — |
| 1994 | 54° | 43° | 48° | 0.71" | — |
| 1993 | 55° | 46° | 51° | 0.71" | — |
| 1992 | 56° | 37° | 46° | 0.13" | — |
| 1991 | 53° | 38° | 45° | — | — |
| 1990 | 58° | 40° | 49° | — | — |
| 1989 | 53° | 36° | 44° | — | — |
| 1988 | 62° | 40° | 51° | — | — |
| 1987 | 60° | 44° | 52° | — | — |
| 1986 | 43° | 36° | 39° | — | — |
| 1985 | 43° | 29° | 36° | — | — |
| 1984 | 59° | 45° | 52° | — | — |
| 1983 | 55° | 37° | 46° | 0.76" | — |
| 1982 | 55° | 39° | 47° | — | — |
| 1981 | 55° | 42° | 49° | 0.08" | — |
| 1980 | 55° | 32° | 44° | — | — |
| 1979 | 54° | 31° | 42° | — | — |
| 1978 | 58° | 39° | 48° | — | — |
| 1977 | 54° | 43° | 48° | 0.48" | — |
| 1976 | 59° | 38° | 48° | — | — |
| 1975 | 51° | 45° | 48° | 0.25" | — |
| 1974 | 47° | 38° | 42° | — | — |
| 1973 | 52° | 42° | 47° | — | — |
| 1972coldest | 44° | 26° | 35° | — | — |
| 1971 | 53° | 33° | 43° | 1.22" | — |
55 years of data from VALLEJO