Weather on April 20
Vacaville, CA
55 Years of Data
Avg High
74°F
Avg Low
46°F
Warmest
2009
77°F avg
Coldest
2001
45°F avg
About This Date
April 20th in Vacaville, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 46°F — a 28°F daily swing. Over 55 years of records, the warmest April 20th was in 2009 (77°F average), while the coldest was 2001 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 20th dates historically, with the wettest April 20th recording 0.94" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Vacaville, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 41° | 61° | — | — |
| 2024 | 84° | 50° | 67° | — | — |
| 2023 | 73° | 41° | 57° | — | — |
| 2022 | 73° | 46° | 60° | 0.38" | — |
| 2021 | 75° | 49° | 62° | — | — |
| 2020 | 71° | 51° | 61° | — | — |
| 2019 | 73° | 53° | 63° | — | — |
| 2018 | 79° | 41° | 60° | — | — |
| 2017 | 72° | 48° | 60° | — | — |
| 2016 | 79° | 45° | 62° | — | — |
| 2015 | 82° | 49° | 65° | — | — |
| 2014 | 83° | 47° | 65° | — | — |
| 2013 | 85° | 54° | 69° | — | — |
| 2012 | 90° | 55° | 72° | — | — |
| 2011 | 68° | 53° | 61° | 0.05" | — |
| 2010 | 61° | 50° | 55° | 0.43" | — |
| 2009warmest | 96° | 57° | 77° | — | — |
| 2008 | 62° | 36° | 49° | — | — |
| 2007 | 69° | 48° | 59° | — | — |
| 2006 | 75° | 48° | 62° | — | — |
| 2005 | 71° | 43° | 57° | — | — |
| 2004 | 66° | 54° | 60° | — | — |
| 2003 | 66° | 49° | 57° | — | — |
| 2002 | 71° | 41° | 56° | — | — |
| 2001coldest | 53° | 38° | 45° | 0.94" | — |
| 2000 | 74° | 45° | 59° | — | — |
| 1999 | 76° | 53° | 64° | — | — |
| 1998 | 78° | 48° | 63° | — | — |
| 1997 | 75° | 53° | 64° | — | — |
| 1996 | 63° | 37° | 50° | — | — |
| 1995 | 66° | 41° | 54° | 0.15" | — |
| 1994 | 81° | 44° | 62° | — | — |
| 1993 | 78° | 44° | 61° | — | — |
| 1992 | 84° | 53° | 69° | — | — |
| 1991 | 65° | 49° | 57° | 0.74" | — |
| 1990 | 75° | 48° | 62° | — | — |
| 1989 | 80° | 57° | 69° | — | — |
| 1988 | 62° | 46° | 54° | — | — |
| 1987 | 73° | 46° | 60° | — | — |
| 1986 | 80° | 43° | 61° | — | — |
| 1985 | 71° | 42° | 57° | — | — |
| 1984 | 68° | 36° | 52° | — | — |
| 1983 | 68° | 50° | 59° | 0.38" | — |
| 1982 | 76° | 57° | 66° | — | — |
| 1981 | 68° | 39° | 54° | — | — |
| 1980 | 74° | 57° | 65° | 0.18" | — |
| 1979 | 71° | 37° | 54° | — | — |
| 1978 | 66° | 46° | 56° | 0.03" | — |
| 1977 | 83° | 41° | 62° | — | — |
| 1976 | 83° | 43° | 63° | — | — |
| 1975 | 76° | 41° | 58° | — | — |
| 1974 | 75° | 38° | 56° | — | — |
| 1973 | 70° | 53° | 61° | — | — |
| 1972 | 74° | 36° | 55° | — | — |
| 1971 | 63° | 46° | 54° | — | — |
55 years of data from VACAVILLE/NUT TREE AP ASOS