Weather on December 16
Vallejo, CA
55 Years of Data
Avg High
56°F
Avg Low
38°F
Warmest
1998
57°F avg
Coldest
1972
35°F avg
About This Date
December 16th in Vallejo, CA typically brings cool winter weather, with average highs around 56°F and lows near 38°F. Over 55 years of records, the warmest December 16th was in 1998 (57°F average), while the coldest was 1972 (35°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 33% of December 16th dates historically, with the wettest December 16th recording 2.87" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for December 16th in Vallejo, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 40° | 47° | — | — |
| 2024 | 48° | 42° | 45° | 0.13" | — |
| 2023 | 70° | 39° | 54° | — | — |
| 2022 | 54° | 38° | 46° | — | — |
| 2021 | 57° | 46° | 52° | 2.36" | — |
| 2020 | 55° | 41° | 48° | — | — |
| 2019 | 57° | 40° | 48° | — | — |
| 2018 | 59° | 49° | 54° | 0.38" | — |
| 2017 | 66° | 43° | 54° | — | — |
| 2016 | 56° | 41° | 48° | 0.28" | — |
| 2015 | 58° | 39° | 48° | — | — |
| 2014 | 61° | 43° | 52° | 1.83" | — |
| 2013 | 64° | 34° | 49° | — | — |
| 2012 | 55° | 45° | 50° | 0.05" | — |
| 2011 | 69° | 30° | 50° | — | — |
| 2010 | 55° | 30° | 43° | — | — |
| 2009 | 55° | 42° | 49° | 0.18" | — |
| 2008 | 44° | 31° | 37° | — | — |
| 2007 | 56° | 45° | 50° | 0.36" | — |
| 2006 | 47° | 28° | 37° | — | — |
| 2005 | 44° | 28° | 36° | — | — |
| 2004 | 56° | 36° | 46° | — | — |
| 2003 | 56° | 40° | 48° | — | — |
| 2002 | 60° | 48° | 54° | 2.87" | — |
| 2001 | 51° | 39° | 45° | 0.25" | — |
| 2000 | 60° | 36° | 48° | — | — |
| 1999 | 61° | 32° | 46° | — | — |
| 1998warmest | 67° | 48° | 57° | — | — |
| 1997 | 49° | 39° | 44° | — | — |
| 1996 | 58° | 39° | 48° | — | — |
| 1995 | 57° | 41° | 49° | 0.2" | — |
| 1994 | 48° | 40° | 44° | 0.03" | — |
| 1993 | 48° | 34° | 41° | — | — |
| 1992 | 57° | 36° | 46° | — | — |
| 1991 | 45° | 34° | 39° | — | — |
| 1990 | 52° | 38° | 45° | 0.3" | — |
| 1989 | 58° | 32° | 45° | — | — |
| 1988 | 54° | 47° | 50° | — | — |
| 1987 | 49° | 36° | 42° | 0.3" | — |
| 1986 | 64° | 41° | 53° | 0.74" | — |
| 1985 | 42° | 33° | 38° | — | — |
| 1984 | 58° | 32° | 45° | 0.69" | — |
| 1983 | 56° | 47° | 51° | — | — |
| 1982 | 67° | 45° | 56° | 0.03" | — |
| 1981 | 58° | 40° | 49° | — | — |
| 1980 | 61° | 39° | 50° | — | — |
| 1979 | 58° | 43° | 50° | — | — |
| 1978 | 51° | 32° | 42° | — | — |
| 1977 | 56° | 40° | 48° | — | — |
| 1976 | 60° | 36° | 48° | — | — |
| 1975 | 54° | 34° | 44° | — | — |
| 1974 | 59° | 41° | 50° | — | — |
| 1973 | 52° | 41° | 46° | — | — |
| 1972coldest | 38° | 32° | 35° | 0.18" | — |
| 1971 | 57° | 30° | 44° | — | — |
55 years of data from VALLEJO