Weather on December 28
Vacaville, CA
55 Years of Data
Avg High
55°F
Avg Low
36°F
Warmest
2024
60°F avg
Coldest
1985
34°F avg
About This Date
December 28th 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 28th was in 2024 (60°F average), while the coldest was 1985 (34°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 35% of December 28th dates historically, with the wettest December 28th recording 4.72" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for December 28th in Vacaville, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 34° | 45° | — | — |
| 2024warmest | 67° | 53° | 60° | — | — |
| 2023 | 63° | 52° | 57° | 0.05" | — |
| 2022 | 56° | 36° | 46° | — | — |
| 2021 | 45° | 37° | 41° | 0.05" | — |
| 2020 | 57° | 36° | 46° | 0.18" | — |
| 2019 | 61° | 32° | 46° | — | — |
| 2018 | 58° | 47° | 52° | — | — |
| 2017 | 62° | 32° | 47° | — | — |
| 2016 | 63° | 28° | 46° | — | — |
| 2015 | 52° | 31° | 42° | — | — |
| 2014 | 56° | 34° | 45° | — | — |
| 2013 | 73° | 26° | 50° | — | — |
| 2012 | 44° | 30° | 37° | — | — |
| 2011 | 60° | 33° | 47° | — | — |
| 2010 | 52° | 45° | 48° | 2.31" | — |
| 2009 | 52° | 40° | 46° | — | — |
| 2008 | 57° | 43° | 50° | — | — |
| 2007 | 41° | 38° | 39° | 0.2" | — |
| 2006 | 58° | 45° | 51° | — | — |
| 2005 | 63° | 49° | 56° | 1.96" | — |
| 2004 | 52° | 43° | 47° | 2.54" | — |
| 2003 | 46° | 28° | 37° | 0.05" | — |
| 2002 | 59° | 46° | 53° | 1.57" | — |
| 2001 | 51° | 47° | 49° | 4.72" | — |
| 2000 | 58° | 30° | 44° | — | — |
| 1999 | 70° | 32° | 51° | — | — |
| 1998 | 56° | 31° | 43° | — | — |
| 1997 | 55° | 35° | 45° | — | — |
| 1996 | 56° | 47° | 51° | 0.1" | — |
| 1995 | 52° | 38° | 45° | — | — |
| 1994 | 57° | 37° | 47° | 0.2" | — |
| 1993 | 58° | 35° | 46° | — | — |
| 1992 | 49° | 32° | 40° | 3.48" | — |
| 1991 | 55° | 26° | 41° | 2.54" | — |
| 1990 | 50° | 25° | 37° | — | — |
| 1989 | 54° | 30° | 42° | — | — |
| 1988 | 47° | 28° | 37° | — | — |
| 1987 | 47° | 37° | 42° | 1.98" | — |
| 1986 | 47° | 41° | 44° | — | — |
| 1985coldest | 41° | 26° | 34° | — | — |
| 1984 | 48° | 33° | 41° | — | — |
| 1983 | 55° | 40° | 47° | — | — |
| 1982 | 53° | 32° | 43° | — | — |
| 1981 | 53° | 36° | 44° | — | — |
| 1980 | 55° | 37° | 46° | — | — |
| 1979 | 52° | 30° | 41° | — | — |
| 1978 | 50° | 36° | 43° | — | — |
| 1977 | 55° | 49° | 52° | 0.38" | — |
| 1976 | 57° | 27° | 42° | — | — |
| 1975 | 75° | 35° | 55° | — | — |
| 1974 | 50° | 37° | 44° | 1.47" | — |
| 1973 | 62° | 51° | 57° | 0.23" | — |
| 1972 | 55° | 30° | 43° | — | — |
| 1971 | 49° | 39° | 44° | 0.05" | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS