Weather on August 22
Vacaville, CA
55 Years of Data
Avg High
91°F
Avg Low
57°F
Warmest
1995
82°F avg
Coldest
1978
64°F avg
About This Date
August 22nd in Vacaville, CA typically brings hot summer weather, with average highs around 91°F and lows near 57°F — a 34°F daily swing. Over 55 years of records, the warmest August 22nd was in 1995 (82°F average), while the coldest was 1978 (64°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 22nd dates historically. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for August 22nd in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 102° | 56° | 79° | — | — |
| 2024 | 82° | 60° | 71° | — | — |
| 2023 | 91° | 60° | 76° | — | — |
| 2022 | 102° | 60° | 81° | — | — |
| 2021 | 85° | 56° | 70° | — | — |
| 2020 | 101° | 64° | 82° | — | — |
| 2019 | 99° | 65° | 82° | — | — |
| 2018 | 85° | 53° | 69° | — | — |
| 2017 | 95° | 63° | 79° | — | — |
| 2016 | 93° | 58° | 75° | — | — |
| 2015 | 90° | 58° | 74° | — | — |
| 2014 | 88° | 61° | 74° | — | — |
| 2013 | 88° | 59° | 73° | — | — |
| 2012 | 91° | 57° | 74° | — | — |
| 2011 | 90° | 53° | 71° | — | — |
| 2010 | 88° | 53° | 70° | — | — |
| 2009 | 96° | 66° | 81° | — | — |
| 2008 | 93° | 62° | 78° | — | — |
| 2007 | 100° | 65° | 82° | — | — |
| 2006 | 95° | 56° | 75° | — | — |
| 2005 | 98° | 55° | 77° | — | — |
| 2004 | 83° | 62° | 72° | — | — |
| 2003 | 79° | 61° | 70° | 0.41" | — |
| 2002 | 80° | 54° | 67° | — | — |
| 2001 | 84° | 57° | 71° | — | — |
| 2000 | 91° | 58° | 74° | — | — |
| 1999 | 101° | 60° | 80° | — | — |
| 1998 | 90° | 54° | 72° | — | — |
| 1997 | 93° | 58° | 75° | — | — |
| 1996 | 98° | 57° | 78° | — | — |
| 1995warmest | 100° | 65° | 82° | — | — |
| 1994 | 89° | 51° | 70° | — | — |
| 1993 | 100° | 62° | 81° | — | — |
| 1992 | 87° | 52° | 69° | — | — |
| 1991 | 92° | 53° | 72° | — | — |
| 1990 | 95° | 58° | 76° | — | — |
| 1989 | 88° | 55° | 71° | — | — |
| 1988 | 92° | 62° | 77° | — | — |
| 1987 | 81° | 54° | 67° | — | — |
| 1986 | 90° | 50° | 70° | — | — |
| 1985 | 92° | 49° | 70° | — | — |
| 1984 | 94° | 53° | 73° | — | — |
| 1983 | 84° | 55° | 70° | — | — |
| 1982 | 99° | 59° | 79° | — | — |
| 1981 | 90° | 55° | 72° | — | — |
| 1980 | 90° | 54° | 72° | — | — |
| 1979 | 86° | 57° | 72° | — | — |
| 1978coldest | 80° | 48° | 64° | — | — |
| 1977 | 101° | 52° | 76° | — | — |
| 1976 | 83° | 61° | 72° | 0.05" | — |
| 1975 | 95° | 55° | 75° | — | — |
| 1974 | 100° | 55° | 78° | — | — |
| 1973 | 82° | 53° | 68° | — | — |
| 1972 | 96° | 54° | 75° | — | — |
| 1971 | 91° | 62° | 77° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS