Weather on April 20
Vallejo, CA
55 Years of Data
Avg High
72°F
Avg Low
47°F
Warmest
1986
68°F avg
Coldest
2008
46°F avg
About This Date
April 20th in Vallejo, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 47°F — a 25°F daily swing. Over 55 years of records, the warmest April 20th was in 1986 (68°F average), while the coldest was 2008 (46°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 20% of April 20th dates historically, with the wettest April 20th recording 3.56" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Vallejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 49° | 60° | — | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 72° | 43° | 57° | — | — |
| 2022 | 70° | 47° | 58° | — | — |
| 2021 | 70° | 45° | 57° | — | — |
| 2020 | 65° | 51° | 58° | — | — |
| 2019 | 77° | 51° | 64° | — | — |
| 2018 | 79° | 49° | 64° | — | — |
| 2017 | 73° | 51° | 62° | 0.25" | — |
| 2016 | 79° | 50° | 64° | — | — |
| 2015 | 72° | 53° | 62° | — | — |
| 2014 | 78° | 41° | 60° | — | — |
| 2013 | 80° | 42° | 61° | — | — |
| 2012 | 84° | 51° | 68° | — | — |
| 2011 | 61° | 51° | 56° | 0.03" | — |
| 2010 | 60° | 46° | 53° | 0.89" | — |
| 2009 | 90° | 45° | 67° | — | — |
| 2008coldest | 59° | 33° | 46° | — | — |
| 2007 | 66° | 43° | 54° | 0.28" | — |
| 2006 | 73° | 46° | 60° | — | — |
| 2005 | 74° | 42° | 58° | — | — |
| 2004 | 72° | 49° | 60° | — | — |
| 2003 | 65° | 42° | 53° | — | — |
| 2002 | 63° | 35° | 49° | — | — |
| 2001 | 54° | 42° | 48° | 1.27" | — |
| 2000 | 74° | 47° | 60° | — | — |
| 1999 | 72° | 51° | 61° | — | — |
| 1998 | 77° | 51° | 64° | — | — |
| 1997 | 76° | 58° | 67° | — | — |
| 1996 | 64° | 39° | 52° | 0.3" | — |
| 1995 | 65° | 43° | 54° | — | — |
| 1994 | 76° | 46° | 61° | — | — |
| 1993 | 76° | 44° | 60° | — | — |
| 1992 | 82° | 53° | 68° | — | — |
| 1991 | 65° | 47° | 56° | 0.64" | — |
| 1990 | 73° | 48° | 61° | — | — |
| 1989 | 78° | 51° | 65° | — | — |
| 1988 | 65° | 43° | 54° | 3.56" | — |
| 1987 | 80° | 47° | 63° | — | — |
| 1986warmest | 88° | 48° | 68° | — | — |
| 1985 | 63° | 44° | 53° | — | — |
| 1984 | 72° | 48° | 60° | — | — |
| 1983 | 67° | 52° | 59° | 0.89" | — |
| 1982 | 79° | 46° | 62° | — | — |
| 1981 | 70° | 51° | 60° | 0.03" | — |
| 1980 | 68° | 57° | 63° | — | — |
| 1979 | 72° | 41° | 56° | — | — |
| 1978 | 66° | 46° | 56° | 0.25" | — |
| 1977 | 82° | 42° | 62° | — | — |
| 1976 | 77° | 50° | 64° | — | — |
| 1975 | 60° | 45° | 52° | — | — |
| 1974 | 65° | 45° | 55° | — | — |
| 1973 | 66° | 50° | 58° | — | — |
| 1972 | 72° | 42° | 57° | — | — |
| 1971 | 66° | 48° | 57° | — | — |
55 years of data from VALLEJO