Weather on January 23
Vacaville, CA
55 Years of Data
Avg High
57°F
Avg Low
38°F
Warmest
2009
56°F avg
Coldest
1992
39°F avg
About This Date
January 23rd in Vacaville, CA typically brings cool winter weather, with average highs around 57°F and lows near 38°F. Over 56 years of records, the warmest January 23rd was in 2009 (56°F average), while the coldest was 1992 (39°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 43% of January 23rd dates historically, with the wettest January 23rd recording 4.39" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for January 23rd in Vacaville, 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 |
|---|---|---|---|---|---|
| 2026 | 52° | 42° | 47° | — | — |
| 2025 | 68° | 31° | 50° | — | — |
| 2024 | 63° | 42° | 52° | 0.15" | — |
| 2023 | 63° | 47° | 55° | — | — |
| 2022 | 67° | 34° | 50° | — | — |
| 2021 | 62° | 34° | 48° | — | — |
| 2020 | 58° | 39° | 48° | — | — |
| 2019 | 60° | 32° | 46° | — | — |
| 2018 | 60° | 38° | 49° | — | — |
| 2017 | 53° | 40° | 46° | 0.05" | — |
| 2016 | 60° | 47° | 53° | 0.1" | — |
| 2015 | 60° | 35° | 48° | — | — |
| 2014 | 72° | 34° | 53° | — | — |
| 2013 | 52° | 43° | 47° | 0.51" | — |
| 2012 | 59° | 38° | 48° | 4.39" | — |
| 2011 | 62° | 37° | 50° | — | — |
| 2010 | 54° | 39° | 46° | 0.43" | — |
| 2009warmest | 59° | 53° | 56° | 0.38" | — |
| 2008 | 43° | 39° | 41° | 0.91" | — |
| 2007 | 61° | 28° | 44° | — | — |
| 2006 | 70° | 40° | 55° | — | — |
| 2005 | 50° | 40° | 45° | 0.03" | — |
| 2004 | 51° | 28° | 40° | 0.28" | — |
| 2003 | 58° | 47° | 52° | 0.2" | — |
| 2002 | 57° | 30° | 44° | — | — |
| 2001 | 50° | 41° | 46° | 0.97" | — |
| 2000 | 52° | 49° | 50° | 3.3" | — |
| 1999 | 56° | 34° | 45° | 0.03" | — |
| 1998 | 53° | 41° | 47° | — | — |
| 1997 | 55° | 39° | 47° | 0.46" | — |
| 1996 | 46° | 34° | 40° | 0.13" | — |
| 1995 | 59° | 47° | 53° | 1.6" | — |
| 1994 | 60° | 47° | 53° | 1.73" | — |
| 1993 | 54° | 30° | 42° | — | — |
| 1992coldest | 44° | 34° | 39° | — | — |
| 1991 | 64° | 35° | 50° | — | — |
| 1990 | 55° | 34° | 44° | — | — |
| 1989 | 56° | 42° | 49° | 0.74" | — |
| 1988 | 64° | 36° | 50° | — | — |
| 1987 | 50° | 41° | 46° | 1.22" | — |
| 1986 | 63° | 43° | 53° | 0.58" | — |
| 1985 | 45° | 39° | 42° | — | — |
| 1984 | 67° | 35° | 51° | — | — |
| 1983 | 57° | 37° | 47° | 0.13" | — |
| 1982 | 51° | 29° | 40° | — | — |
| 1981 | 55° | 48° | 52° | 1.52" | — |
| 1980 | 54° | 32° | 43° | — | — |
| 1979 | 54° | 33° | 43° | — | — |
| 1978 | 55° | 43° | 49° | — | — |
| 1977 | 64° | 37° | 51° | — | — |
| 1976 | 65° | 31° | 48° | — | — |
| 1975 | 56° | 28° | 42° | — | — |
| 1974 | 67° | 35° | 51° | — | — |
| 1973 | 51° | 30° | 41° | — | — |
| 1972 | 54° | 44° | 49° | 0.38" | — |
| 1971 | 65° | 36° | 50° | — | — |
56 years of data from VACAVILLE/NUT TREE AP ASOS