Weather on May 23
Vacaville, CA
55 Years of Data
Avg High
83°F
Avg Low
52°F
Warmest
2000
83°F avg
Coldest
1989
59°F avg
About This Date
May 23rd in Vacaville, CA typically brings warm spring weather, with average highs around 83°F and lows near 52°F — a 31°F daily swing. Over 55 years of records, the warmest May 23rd was in 2000 (83°F average), while the coldest was 1989 (59°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 23rd dates historically, with the wettest May 23rd recording 2.74" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 48° | 64° | — | — |
| 2024 | 87° | 50° | 69° | — | — |
| 2023 | 76° | 55° | 65° | — | — |
| 2022 | 98° | 52° | 75° | — | — |
| 2021 | 79° | 51° | 65° | — | — |
| 2020 | 88° | 58° | 73° | — | — |
| 2019 | 81° | 59° | 70° | — | — |
| 2018 | 72° | 55° | 63° | — | — |
| 2017 | 96° | 57° | 77° | — | — |
| 2016 | 73° | 49° | 61° | — | — |
| 2015 | 77° | 55° | 66° | — | — |
| 2014 | 91° | 54° | 72° | — | — |
| 2013 | 75° | 46° | 61° | — | — |
| 2012 | 82° | 51° | 67° | — | — |
| 2011 | 74° | 50° | 62° | — | — |
| 2010 | 74° | 45° | 59° | — | — |
| 2009 | 77° | 54° | 65° | — | — |
| 2008 | 75° | 53° | 64° | — | — |
| 2007 | 88° | 63° | 75° | — | — |
| 2006 | 74° | 58° | 66° | — | — |
| 2005 | 87° | 55° | 71° | — | — |
| 2004 | 76° | 48° | 62° | — | — |
| 2003 | 94° | 56° | 75° | — | — |
| 2002 | 83° | 46° | 64° | — | — |
| 2001 | 100° | 56° | 78° | — | — |
| 2000warmest | 102° | 65° | 83° | — | — |
| 1999 | 80° | 53° | 67° | — | — |
| 1998 | 75° | 55° | 65° | — | — |
| 1997 | 80° | 58° | 69° | 2.74" | — |
| 1996 | 76° | 58° | 67° | — | — |
| 1995 | 87° | 51° | 69° | — | — |
| 1994 | 90° | 49° | 69° | — | — |
| 1993 | 88° | 57° | 72° | — | — |
| 1992 | 96° | 55° | 76° | — | — |
| 1991 | 91° | 47° | 69° | — | — |
| 1990 | 72° | 55° | 63° | 0.33" | — |
| 1989coldest | 70° | 48° | 59° | — | — |
| 1988 | 79° | 54° | 66° | — | — |
| 1987 | 80° | 42° | 61° | — | — |
| 1986 | 77° | 45° | 61° | — | — |
| 1985 | 96° | 52° | 74° | — | — |
| 1984 | 92° | 56° | 74° | — | — |
| 1983 | 85° | 47° | 66° | — | — |
| 1982 | 96° | 57° | 77° | — | — |
| 1981 | 84° | 57° | 71° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 86° | 53° | 70° | — | — |
| 1978 | 73° | 49° | 61° | — | — |
| 1977 | 71° | 50° | 61° | — | — |
| 1976 | 80° | 47° | 63° | — | — |
| 1975 | 88° | 48° | 68° | — | — |
| 1974 | 87° | 46° | 67° | — | — |
| 1973 | 79° | 51° | 65° | — | — |
| 1972 | 79° | 46° | 62° | — | — |
| 1971 | 85° | 44° | 64° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS