Weather on June 20
Vacaville, CA
55 Years of Data
Avg High
91°F
Avg Low
55°F
Warmest
2017
87°F avg
Coldest
2023
62°F avg
About This Date
June 20th in Vacaville, CA typically brings hot summer weather, with average highs around 91°F and lows near 55°F — a 36°F daily swing. Over 55 years of records, the warmest June 20th was in 2017 (87°F average), while the coldest was 2023 (62°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 June 20th 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 | 84° | 53° | 69° | — | — |
| 2024 | 89° | 53° | 71° | — | — |
| 2023coldest | 80° | 44° | 62° | — | — |
| 2022 | 94° | 53° | 73° | — | — |
| 2021 | 102° | 61° | 81° | — | — |
| 2020 | 95° | 58° | 76° | — | — |
| 2019 | 88° | 59° | 73° | — | — |
| 2018 | 94° | 57° | 75° | — | — |
| 2017warmest | 103° | 71° | 87° | — | — |
| 2016 | 98° | 51° | 75° | — | — |
| 2015 | 98° | 55° | 77° | — | — |
| 2014 | 96° | 54° | 75° | — | — |
| 2013 | 85° | 51° | 68° | — | — |
| 2012 | 98° | 57° | 78° | — | — |
| 2011 | 100° | 70° | 85° | — | — |
| 2010 | 83° | 50° | 66° | — | — |
| 2009 | 80° | 60° | 70° | — | — |
| 2008 | 102° | 63° | 82° | — | — |
| 2007 | 84° | 55° | 70° | — | — |
| 2006 | 97° | 57° | 77° | — | — |
| 2005 | 83° | 54° | 68° | — | — |
| 2004 | 88° | 55° | 71° | — | — |
| 2003 | 84° | 53° | 69° | — | — |
| 2002 | 90° | 58° | 74° | — | — |
| 2001 | 106° | 62° | 84° | — | — |
| 2000 | 100° | 59° | 80° | — | — |
| 1999 | 93° | 53° | 73° | — | — |
| 1998 | 78° | 54° | 66° | — | — |
| 1997 | 97° | 58° | 77° | — | — |
| 1996 | 88° | 56° | 72° | — | — |
| 1995 | 86° | 58° | 72° | — | — |
| 1994 | 92° | 54° | 73° | — | — |
| 1993 | 97° | 59° | 78° | — | — |
| 1992 | 104° | 60° | 82° | — | — |
| 1991 | 84° | 48° | 66° | — | — |
| 1990 | 105° | 63° | 84° | — | — |
| 1989 | 92° | 52° | 72° | — | — |
| 1988 | 78° | 54° | 66° | — | — |
| 1987 | 84° | 54° | 69° | — | — |
| 1986 | 98° | 55° | 77° | — | — |
| 1985 | 88° | 47° | 67° | — | — |
| 1984 | 82° | 49° | 65° | — | — |
| 1983 | 86° | 50° | 68° | — | — |
| 1982 | 86° | 54° | 70° | — | — |
| 1981 | 103° | 70° | 86° | — | — |
| 1980 | 84° | 50° | 67° | — | — |
| 1979 | 86° | 58° | 72° | — | — |
| 1978 | 83° | 52° | 67° | — | — |
| 1977 | 88° | 51° | 69° | — | — |
| 1976 | 85° | 53° | 69° | — | — |
| 1975 | 85° | 50° | 67° | — | — |
| 1974 | 90° | 50° | 70° | — | — |
| 1973 | 103° | 55° | 79° | — | — |
| 1972 | 95° | 53° | 74° | — | — |
| 1971 | 91° | 55° | 73° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS