Weather on May 22
Vacaville, CA
55 Years of Data
Avg High
83°F
Avg Low
51°F
Warmest
1999
81°F avg
Coldest
2010
54°F avg
About This Date
May 22nd in Vacaville, CA typically brings warm spring weather, with average highs around 83°F and lows near 51°F — a 32°F daily swing. Over 55 years of records, the warmest May 22nd was in 1999 (81°F average), while the coldest was 2010 (54°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 22nd dates historically. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for May 22nd in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 55° | 71° | — | — |
| 2024 | 87° | 54° | 70° | — | — |
| 2023 | 91° | 52° | 71° | — | — |
| 2022 | 93° | 51° | 72° | — | — |
| 2021 | 79° | 44° | 61° | — | — |
| 2020 | 81° | 53° | 67° | — | — |
| 2019 | 79° | 47° | 63° | — | — |
| 2018 | 78° | 55° | 67° | — | — |
| 2017 | 97° | 57° | 77° | — | — |
| 2016 | 71° | 46° | 59° | — | — |
| 2015 | 75° | 50° | 63° | — | — |
| 2014 | 86° | 52° | 69° | — | — |
| 2013 | 73° | 45° | 59° | — | — |
| 2012 | 85° | 57° | 71° | — | — |
| 2011 | 76° | 51° | 63° | — | — |
| 2010coldest | 64° | 45° | 54° | 0.05" | — |
| 2009 | 88° | 53° | 70° | — | — |
| 2008 | 80° | 60° | 70° | — | — |
| 2007 | 87° | 67° | 77° | — | — |
| 2006 | 69° | 54° | 61° | 0.08" | — |
| 2005 | 89° | 54° | 71° | — | — |
| 2004 | 73° | 53° | 63° | — | — |
| 2003 | 92° | 55° | 73° | — | — |
| 2002 | 73° | 41° | 57° | — | — |
| 2001 | 99° | 60° | 79° | — | — |
| 2000 | 99° | 63° | 81° | — | — |
| 1999warmest | 96° | 67° | 81° | — | — |
| 1998 | 74° | 44° | 59° | — | — |
| 1997 | 83° | 56° | 69° | — | — |
| 1996 | 76° | 46° | 61° | — | — |
| 1995 | 76° | 50° | 63° | — | — |
| 1994 | 83° | 43° | 63° | — | — |
| 1993 | 89° | 52° | 70° | — | — |
| 1992 | 95° | 53° | 74° | — | — |
| 1991 | 88° | 49° | 68° | — | — |
| 1990 | 73° | 55° | 64° | 0.03" | — |
| 1989 | 72° | 42° | 57° | — | — |
| 1988 | 76° | 50° | 63° | — | — |
| 1987 | 80° | 44° | 62° | — | — |
| 1986 | 76° | 47° | 61° | — | — |
| 1985 | 96° | 50° | 73° | — | — |
| 1984 | 94° | 49° | 71° | — | — |
| 1983 | 89° | 52° | 70° | — | — |
| 1982 | 91° | 51° | 71° | — | — |
| 1981 | 82° | 53° | 68° | — | — |
| 1980 | 82° | 50° | 66° | — | — |
| 1979 | 80° | 51° | 66° | — | — |
| 1978 | 75° | 51° | 63° | — | — |
| 1977 | 74° | 50° | 62° | — | — |
| 1976 | 87° | 43° | 65° | — | — |
| 1975 | 83° | 49° | 66° | — | — |
| 1974 | 84° | 45° | 64° | — | — |
| 1973 | 82° | 45° | 63° | — | — |
| 1972 | 79° | 47° | 63° | — | — |
| 1971 | 87° | 44° | 66° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS