Weather on July 15
Vacaville, CA
55 Years of Data
Avg High
95°F
Avg Low
59°F
Warmest
1984
88°F avg
Coldest
1975
60°F avg
About This Date
July 15th 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 15th was in 1984 (88°F average), while the coldest was 1975 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 15th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for July 15th in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 60° | 72° | — | — |
| 2024 | 94° | 65° | 79° | — | — |
| 2023 | 106° | 62° | 84° | — | — |
| 2022 | 99° | 59° | 79° | — | — |
| 2021 | 87° | 57° | 72° | — | — |
| 2020 | 95° | 59° | 77° | — | — |
| 2019 | 97° | 60° | 78° | — | — |
| 2018 | 100° | 63° | 81° | — | — |
| 2017 | 102° | 61° | 81° | — | — |
| 2016 | 97° | 58° | 77° | — | — |
| 2015 | 96° | 56° | 76° | — | — |
| 2014 | 93° | 66° | 80° | — | — |
| 2013 | 86° | 55° | 71° | — | — |
| 2012 | 95° | 57° | 76° | — | — |
| 2011 | 80° | 55° | 68° | — | — |
| 2010 | 102° | 63° | 82° | — | — |
| 2009 | 102° | 67° | 84° | — | — |
| 2008 | 90° | 62° | 76° | — | — |
| 2007 | 97° | 59° | 78° | — | — |
| 2006 | 99° | 56° | 77° | — | — |
| 2005 | 107° | 66° | 87° | — | — |
| 2004 | 98° | 55° | 77° | — | — |
| 2003 | 98° | 65° | 81° | — | — |
| 2002 | 88° | 58° | 73° | — | — |
| 2001 | 81° | 53° | 67° | — | — |
| 2000 | 92° | 57° | 74° | — | — |
| 1999 | 85° | 57° | 71° | — | — |
| 1998 | 104° | 60° | 82° | — | — |
| 1997 | 100° | 60° | 80° | — | — |
| 1996 | 101° | 59° | 80° | — | — |
| 1995 | 105° | 69° | 87° | — | — |
| 1994 | 102° | 56° | 79° | — | — |
| 1993 | 85° | 57° | 71° | — | — |
| 1992 | 100° | 62° | 81° | — | — |
| 1991 | 90° | 55° | 72° | — | — |
| 1990 | 100° | 62° | 81° | — | — |
| 1989 | 90° | 53° | 71° | — | — |
| 1988 | 96° | 60° | 78° | — | — |
| 1987 | 100° | 56° | 78° | — | — |
| 1986 | 96° | 50° | 73° | — | — |
| 1985 | 90° | 56° | 73° | — | — |
| 1984warmest | 105° | 71° | 88° | — | — |
| 1983 | 90° | 56° | 73° | — | — |
| 1982 | 97° | 65° | 81° | — | — |
| 1981 | 98° | 58° | 78° | — | — |
| 1980 | 87° | 54° | 70° | — | — |
| 1979 | 99° | 52° | 75° | — | — |
| 1978 | 97° | 58° | 77° | — | — |
| 1977 | 100° | 53° | 77° | — | — |
| 1976 | 92° | 55° | 73° | — | — |
| 1975coldest | 78° | 42° | 60° | 0.36" | — |
| 1974 | 92° | 58° | 75° | — | — |
| 1973 | 87° | 57° | 72° | — | — |
| 1972 | 101° | 62° | 81° | — | — |
| 1971 | 99° | 56° | 77° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS