Weather on December 16
Vacaville, CA
55 Years of Data
Avg High
55°F
Avg Low
36°F
Warmest
1986
55°F avg
Coldest
1985
34°F avg
About This Date
December 16th in Vacaville, CA typically brings cool winter weather, with average highs around 55°F and lows near 36°F. Over 55 years of records, the warmest December 16th was in 1986 (55°F average), while the coldest was 1985 (34°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 16th dates historically, with the wettest December 16th recording 6.32" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 16th in Vacaville, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 41° | 46° | — | — |
| 2024 | 49° | 40° | 44° | 1.88" | — |
| 2023 | 68° | 34° | 51° | — | — |
| 2022 | 58° | 30° | 44° | — | — |
| 2021 | 54° | 44° | 49° | — | — |
| 2020 | 55° | 33° | 44° | — | — |
| 2019 | 58° | 33° | 45° | — | — |
| 2018 | 55° | 43° | 49° | — | — |
| 2017 | 64° | 39° | 52° | — | — |
| 2016 | 57° | 37° | 47° | — | — |
| 2015 | 54° | 29° | 42° | — | — |
| 2014 | 60° | 47° | 53° | 1.22" | — |
| 2013 | 63° | 29° | 46° | — | — |
| 2012 | 50° | 39° | 45° | 0.28" | — |
| 2011 | 66° | 35° | 51° | — | — |
| 2010 | 53° | 31° | 42° | — | — |
| 2009 | 56° | 48° | 52° | 0.13" | — |
| 2008 | 44° | 38° | 41° | 0.08" | — |
| 2007 | 55° | 33° | 44° | 0.08" | — |
| 2006 | 52° | 32° | 42° | — | — |
| 2005 | 41° | 37° | 39° | — | — |
| 2004 | 57° | 37° | 47° | — | — |
| 2003 | 55° | 32° | 44° | — | — |
| 2002 | 60° | 50° | 55° | 6.32" | — |
| 2001 | 50° | 36° | 43° | 0.1" | — |
| 2000 | 59° | 39° | 49° | — | — |
| 1999 | 59° | 30° | 45° | — | — |
| 1998 | 68° | 34° | 51° | — | — |
| 1997 | 52° | 42° | 47° | 0.03" | — |
| 1996 | 62° | 35° | 49° | — | — |
| 1995 | 60° | 40° | 50° | — | — |
| 1994 | 49° | 38° | 43° | — | — |
| 1993 | 46° | 42° | 44° | — | — |
| 1992 | 53° | 28° | 41° | — | — |
| 1991 | 45° | 33° | 39° | — | — |
| 1990 | 55° | 36° | 45° | 0.03" | — |
| 1989 | 60° | 35° | 48° | — | — |
| 1988 | 55° | 45° | 50° | — | — |
| 1987 | 49° | 39° | 44° | 1.47" | — |
| 1986warmest | 66° | 44° | 55° | — | — |
| 1985coldest | 46° | 21° | 34° | — | — |
| 1984 | 51° | 29° | 40° | — | — |
| 1983 | 55° | 54° | 54° | — | — |
| 1982 | 60° | 43° | 51° | — | — |
| 1981 | 59° | 34° | 46° | — | — |
| 1980 | 63° | 34° | 48° | — | — |
| 1979 | 63° | 29° | 46° | — | — |
| 1978 | 55° | 25° | 40° | — | — |
| 1977 | 53° | 41° | 47° | 0.1" | — |
| 1976 | 62° | 33° | 48° | — | — |
| 1975 | 59° | 28° | 44° | — | — |
| 1974 | 51° | 38° | 44° | — | — |
| 1973 | 48° | 40° | 44° | — | — |
| 1972 | 41° | 32° | 37° | 1.57" | — |
| 1971 | 47° | 27° | 37° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS