Weather on August 19
Vacaville, CA
55 Years of Data
Avg High
90°F
Avg Low
57°F
Warmest
2013
86°F avg
Coldest
2002
65°F avg
About This Date
August 19th in Vacaville, CA typically brings hot summer weather, with average highs around 90°F and lows near 57°F — a 33°F daily swing. Over 55 years of records, the warmest August 19th was in 2013 (86°F average), while the coldest was 2002 (65°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 19th dates historically. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 52° | 72° | — | — |
| 2024 | 91° | 54° | 72° | — | — |
| 2023 | 95° | 63° | 79° | — | — |
| 2022 | 101° | 59° | 80° | — | — |
| 2021 | 89° | 57° | 73° | — | — |
| 2020 | 101° | 70° | 85° | — | — |
| 2019 | 85° | 57° | 71° | — | — |
| 2018 | 99° | 54° | 76° | — | — |
| 2017 | 94° | 61° | 77° | — | — |
| 2016 | 97° | 64° | 80° | — | — |
| 2015 | 92° | 59° | 75° | — | — |
| 2014 | 85° | 57° | 71° | — | — |
| 2013warmest | 104° | 68° | 86° | — | — |
| 2012 | 98° | 60° | 79° | — | — |
| 2011 | 84° | 57° | 71° | — | — |
| 2010 | 95° | 55° | 75° | — | — |
| 2009 | 98° | 61° | 79° | — | — |
| 2008 | 85° | 60° | 72° | — | — |
| 2007 | 90° | 60° | 75° | — | — |
| 2006 | 93° | 56° | 74° | — | — |
| 2005 | 85° | 56° | 70° | — | — |
| 2004 | 93° | 61° | 77° | — | — |
| 2003 | 86° | 58° | 72° | — | — |
| 2002coldest | 76° | 55° | 65° | — | — |
| 2001 | 94° | 58° | 76° | — | — |
| 2000 | 88° | 53° | 70° | — | — |
| 1999 | 92° | 53° | 72° | — | — |
| 1998 | 78° | 57° | 68° | — | — |
| 1997 | 88° | 60° | 74° | 0.13" | — |
| 1996 | 87° | 57° | 72° | — | — |
| 1995 | 100° | 57° | 79° | — | — |
| 1994 | 95° | 53° | 74° | — | — |
| 1993 | 82° | 59° | 71° | — | — |
| 1992 | 109° | 61° | 85° | — | — |
| 1991 | 90° | 58° | 74° | — | — |
| 1990 | 85° | 56° | 70° | — | — |
| 1989 | 92° | 57° | 74° | — | — |
| 1988 | 100° | 60° | 80° | — | — |
| 1987 | 84° | 54° | 69° | — | — |
| 1986 | 99° | 50° | 74° | — | — |
| 1985 | 83° | 50° | 66° | — | — |
| 1984 | 97° | 54° | 75° | — | — |
| 1983 | 81° | 62° | 71° | — | — |
| 1982 | 82° | 56° | 69° | — | — |
| 1981 | 79° | 57° | 68° | — | — |
| 1980 | 85° | 50° | 67° | — | — |
| 1979 | 89° | 56° | 72° | — | — |
| 1978 | 94° | 52° | 73° | — | — |
| 1977 | 91° | 55° | 73° | — | — |
| 1976 | 84° | 58° | 71° | 0.23" | — |
| 1975 | 81° | 52° | 66° | — | — |
| 1974 | 88° | 51° | 69° | — | — |
| 1973 | 92° | 49° | 70° | — | — |
| 1972 | 83° | 54° | 68° | — | — |
| 1971 | 94° | 53° | 73° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS