Weather on April 15
Vallejo, CA
55 Years of Data
Avg High
70°F
Avg Low
45°F
Warmest
1984
70°F avg
Coldest
1975
46°F avg
About This Date
April 15th in Vallejo, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 45°F — a 25°F daily swing. Over 55 years of records, the warmest April 15th was in 1984 (70°F average), while the coldest was 1975 (46°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 9% of April 15th dates historically. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for April 15th in Vallejo, CA? Great weather for outdoor activities.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 61° | 50° | 55° | — | — |
| 2024 | 69° | 45° | 57° | — | — |
| 2023 | 67° | 44° | 55° | — | — |
| 2022 | 67° | 42° | 54° | — | — |
| 2021 | 72° | 45° | 58° | — | — |
| 2020 | 83° | 51° | 67° | — | — |
| 2019 | 64° | 46° | 55° | 0.13" | — |
| 2018 | 77° | 47° | 62° | 0.2" | — |
| 2017 | 68° | 43° | 55° | — | — |
| 2016 | 77° | 42° | 60° | — | — |
| 2015 | 81° | 44° | 62° | — | — |
| 2014 | 68° | 47° | 57° | — | — |
| 2013 | 63° | 42° | 52° | — | — |
| 2012 | 65° | 47° | 56° | — | — |
| 2011 | 68° | 47° | 57° | — | — |
| 2010 | 68° | 37° | 53° | — | — |
| 2009 | 62° | 30° | 46° | — | — |
| 2008 | 64° | 36° | 50° | — | — |
| 2007 | 75° | 35° | 55° | — | — |
| 2006 | 59° | 51° | 55° | 0.03" | — |
| 2005 | 71° | 34° | 52° | — | — |
| 2004 | 62° | 42° | 52° | — | — |
| 2003 | 62° | 39° | 51° | — | — |
| 2002 | 84° | 43° | 63° | — | — |
| 2001 | 63° | 31° | 47° | — | — |
| 2000 | 65° | 51° | 58° | — | — |
| 1999 | 85° | — | — | — | — |
| 1998 | 64° | 36° | 50° | 0.1" | — |
| 1997 | 85° | 50° | 67° | — | — |
| 1996 | 70° | 54° | 62° | — | — |
| 1995 | 56° | 42° | 49° | — | — |
| 1994 | 82° | 51° | 67° | — | — |
| 1993 | 68° | 49° | 58° | — | — |
| 1992 | 69° | 50° | 60° | — | — |
| 1991 | 66° | 42° | 54° | — | — |
| 1990 | 72° | 46° | 59° | — | — |
| 1989 | 73° | 51° | 62° | — | — |
| 1988 | 73° | 54° | 63° | — | — |
| 1987 | 90° | 47° | 68° | — | — |
| 1986 | 62° | 49° | 55° | — | — |
| 1985 | 66° | 48° | 57° | — | — |
| 1984warmest | 80° | 61° | 70° | — | — |
| 1983 | 70° | 41° | 55° | — | — |
| 1982 | 64° | 50° | 57° | — | — |
| 1981 | 71° | 51° | 61° | — | — |
| 1980 | 76° | 44° | 60° | — | — |
| 1979 | — | 49° | — | — | — |
| 1978 | 54° | 49° | 51° | 0.13" | — |
| 1977 | 72° | 46° | 59° | — | — |
| 1976 | 73° | 50° | 62° | — | — |
| 1975coldest | 57° | 36° | 46° | — | — |
| 1974 | — | 41° | — | — | — |
| 1973 | 65° | 52° | 58° | — | — |
| 1972 | 72° | 43° | 57° | — | — |
| 1971 | 72° | 50° | 61° | — | — |
55 years of data from VALLEJO