Weather on July 23
Vacaville, CA
55 Years of Data
Avg High
95°F
Avg Low
59°F
Warmest
2006
96°F avg
Coldest
1972
68°F avg
About This Date
July 23rd in Vacaville, CA typically brings hot summer weather, with average highs around 95°F and lows near 59°F — a 36°F daily swing. Over 55 years of records, the warmest July 23rd was in 2006 (96°F average), while the coldest was 1972 (68°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for July 23rd in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 57° | 71° | — | — |
| 2024 | 109° | 70° | 89° | — | — |
| 2023 | 101° | 66° | 83° | — | — |
| 2022 | 97° | 56° | 76° | — | — |
| 2021 | 100° | 57° | 79° | — | — |
| 2020 | 94° | 56° | 75° | — | — |
| 2019 | 100° | 64° | 82° | — | — |
| 2018 | 103° | 66° | 84° | — | — |
| 2017 | 104° | 65° | 84° | — | — |
| 2016 | 102° | 59° | 81° | — | — |
| 2015 | 86° | 59° | 73° | — | — |
| 2014 | 90° | 58° | 74° | — | — |
| 2013 | 95° | 67° | 81° | — | — |
| 2012 | 87° | 65° | 76° | — | — |
| 2011 | 92° | 59° | 75° | — | — |
| 2010 | 99° | 58° | 78° | — | — |
| 2009 | 93° | 59° | 76° | — | — |
| 2008 | 95° | 60° | 78° | — | — |
| 2007 | 100° | 64° | 82° | — | — |
| 2006warmest | 114° | 78° | 96° | — | — |
| 2005 | 105° | 61° | 83° | — | — |
| 2004 | 94° | 59° | 76° | — | — |
| 2003 | 91° | 66° | 79° | — | — |
| 2002 | 90° | 58° | 74° | — | — |
| 2001 | 95° | 57° | 76° | — | — |
| 2000 | 99° | 55° | 77° | — | — |
| 1999 | 81° | 57° | 69° | — | — |
| 1998 | 90° | 59° | 74° | — | — |
| 1997 | 89° | 58° | 73° | — | — |
| 1996 | 102° | 65° | 83° | — | — |
| 1995 | 89° | 54° | 71° | — | — |
| 1994 | 91° | 56° | 73° | — | — |
| 1993 | 96° | 67° | 81° | — | — |
| 1992 | 94° | 58° | 76° | — | — |
| 1991 | 98° | 61° | 79° | — | — |
| 1990 | 95° | 56° | 75° | — | — |
| 1989 | 87° | 55° | 71° | — | — |
| 1988 | 102° | 66° | 84° | — | — |
| 1987 | 82° | 54° | 68° | — | — |
| 1986 | 89° | 56° | 72° | — | — |
| 1985 | 101° | 60° | 80° | — | — |
| 1984 | 85° | 60° | 72° | — | — |
| 1983 | 85° | 52° | 68° | — | — |
| 1982 | 97° | 57° | 77° | — | — |
| 1981 | 97° | 53° | 75° | — | — |
| 1980 | 95° | 56° | 75° | — | — |
| 1979 | 101° | 60° | 80° | — | — |
| 1978 | 99° | 56° | 77° | — | — |
| 1977 | 91° | 52° | 71° | — | — |
| 1976 | 95° | 63° | 79° | — | — |
| 1975 | 101° | 54° | 77° | — | — |
| 1974 | 101° | 60° | 80° | — | — |
| 1973 | 89° | 48° | 69° | — | — |
| 1972coldest | 86° | 50° | 68° | — | — |
| 1971 | 99° | 56° | 77° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS