Weather on May 23
Vacaville, CA
55 Years of Data
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 56 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 1.08" of rain. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 55° | 69° | — | — |
| 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° | 1.08" | — |
| 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° | 0.13" | — |
| 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° | — | — |
Vacaville, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Vacaville, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Vacaville, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Vacaville, CA
Most pleasant months in Vacaville, CA: March, April, May, October, November.
What to expect on May 23rd
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
May 23rd outlook →