Weather on June 15
Vacaville, CA
55 Years of Data
Avg High
89°F
Avg Low
55°F
Warmest
2000
88°F avg
Coldest
1973
62°F avg
About This Date
June 15th in Vacaville, CA typically brings warm summer weather, with average highs around 89°F and lows near 55°F — a 34°F daily swing. Over 55 years of records, the warmest June 15th was in 2000 (88°F average), while the coldest was 1973 (62°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 15th dates historically. The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.2°F cooler on this date compared to 20-30 years ago.
Planning for June 15th 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 | 90° | 50° | 70° | — | — |
| 2024 | 91° | 53° | 72° | — | — |
| 2023 | 90° | 57° | 73° | — | — |
| 2022 | 96° | 52° | 74° | — | — |
| 2021 | 90° | 50° | 70° | — | — |
| 2020 | 88° | 62° | 75° | — | — |
| 2019 | 82° | 54° | 68° | — | — |
| 2018 | 80° | 59° | 70° | — | — |
| 2017 | 95° | 55° | 75° | — | — |
| 2016 | 72° | 53° | 62° | — | — |
| 2015 | 88° | 54° | 71° | — | — |
| 2014 | 82° | 55° | 69° | — | — |
| 2013 | 89° | 56° | 72° | — | — |
| 2012 | 97° | 59° | 78° | — | — |
| 2011 | 97° | 61° | 79° | — | — |
| 2010 | 80° | 57° | 69° | — | — |
| 2009 | 81° | 58° | 69° | — | — |
| 2008 | 90° | 54° | 72° | — | — |
| 2007 | 102° | 63° | 82° | — | — |
| 2006 | 90° | 54° | 72° | — | — |
| 2005 | 88° | 55° | 71° | — | — |
| 2004 | 103° | 64° | 83° | — | — |
| 2003 | 93° | 54° | 73° | — | — |
| 2002 | 90° | 52° | 71° | — | — |
| 2001 | 97° | 60° | 78° | — | — |
| 2000warmest | 108° | 68° | 88° | — | — |
| 1999 | 84° | 57° | 71° | — | — |
| 1998 | 93° | 60° | 77° | — | — |
| 1997 | 92° | 59° | 75° | — | — |
| 1996 | 80° | 49° | 64° | — | — |
| 1995 | 74° | 56° | 65° | 0.46" | — |
| 1994 | 84° | 50° | 67° | — | — |
| 1993 | 95° | 56° | 75° | — | — |
| 1992 | 77° | 53° | 65° | — | — |
| 1991 | 91° | 55° | 73° | — | — |
| 1990 | 80° | 53° | 67° | — | — |
| 1989 | 95° | 59° | 77° | — | — |
| 1988 | 79° | 55° | 67° | — | — |
| 1987 | 77° | 54° | 65° | — | — |
| 1986 | 88° | 56° | 72° | — | — |
| 1985 | 107° | 60° | 84° | — | — |
| 1984 | 89° | 53° | 71° | — | — |
| 1983 | 90° | 55° | 72° | — | — |
| 1982 | 94° | 41° | 67° | — | — |
| 1981 | 96° | 72° | 84° | — | — |
| 1980 | 89° | 51° | 70° | — | — |
| 1979 | 79° | 47° | 63° | — | — |
| 1978 | 83° | 49° | 66° | — | — |
| 1977 | 84° | 49° | 66° | — | — |
| 1976 | 101° | 54° | 77° | — | — |
| 1975 | 88° | 57° | 72° | — | — |
| 1974 | 82° | 55° | 69° | — | — |
| 1973coldest | 78° | 46° | 62° | — | — |
| 1972 | 92° | 53° | 72° | — | — |
| 1971 | 99° | 55° | 77° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS