Weather on May 1
Vallejo, CA
55 Years of Data
Avg High
76°F
Avg Low
48°F
Warmest
1996
76°F avg
Coldest
2009
51°F avg
About This Date
May 1st in Vallejo, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 48°F — a 28°F daily swing. Over 55 years of records, the warmest May 1st was in 1996 (76°F average), while the coldest was 2009 (51°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 13% of May 1st dates historically, with the wettest May 1st recording 1.63" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for May 1st in Vallejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 51° | 60° | — | — |
| 2024 | 80° | 45° | 62° | — | — |
| 2023 | 61° | 49° | 55° | — | — |
| 2022 | 78° | 46° | 62° | — | — |
| 2021 | 73° | 50° | 62° | — | — |
| 2020 | 79° | 49° | 64° | — | — |
| 2019 | 81° | 49° | 65° | — | — |
| 2018 | 74° | 48° | 61° | — | — |
| 2017 | 92° | 54° | 73° | — | — |
| 2016 | 86° | 57° | 72° | — | — |
| 2015 | 92° | 58° | 75° | — | — |
| 2014 | 85° | 46° | 65° | — | — |
| 2013 | 89° | 52° | 70° | — | — |
| 2012 | 69° | 40° | 54° | — | — |
| 2011 | 78° | 34° | 56° | — | — |
| 2010 | 73° | 38° | 55° | — | — |
| 2009coldest | 61° | 42° | 51° | 1.55" | — |
| 2008 | 76° | 34° | 55° | — | — |
| 2007 | 70° | 37° | 53° | 0.03" | — |
| 2006 | 77° | 46° | 62° | — | — |
| 2005 | 73° | 48° | 61° | — | — |
| 2004 | 82° | 47° | 64° | — | — |
| 2003 | 70° | 40° | 55° | — | — |
| 2002 | 67° | 47° | 57° | 0.25" | — |
| 2001 | 79° | 44° | 61° | — | — |
| 2000 | 79° | 41° | 60° | — | — |
| 1999 | 67° | 46° | 56° | — | — |
| 1998 | 67° | 57° | 62° | — | — |
| 1997 | 76° | 47° | 61° | — | — |
| 1996warmest | 95° | 57° | 76° | — | — |
| 1995 | 70° | 56° | 63° | 1.17" | — |
| 1994 | 73° | 45° | 59° | — | — |
| 1993 | 88° | 52° | 70° | — | — |
| 1992 | 82° | 48° | 65° | — | — |
| 1991 | 63° | 44° | 53° | — | — |
| 1990 | 85° | 48° | 66° | — | — |
| 1989 | 79° | 54° | 66° | — | — |
| 1988 | 71° | 47° | 59° | — | — |
| 1987 | 74° | 48° | 61° | 0.08" | — |
| 1986 | 72° | 48° | 60° | — | — |
| 1985 | 81° | 45° | 63° | — | — |
| 1984 | 67° | 46° | 56° | — | — |
| 1983 | 70° | 45° | 57° | 0.08" | — |
| 1982 | 70° | 51° | 60° | — | — |
| 1981 | 85° | 52° | 68° | — | — |
| 1980 | 75° | 49° | 62° | — | — |
| 1979 | 69° | 52° | 60° | — | — |
| 1978 | 80° | 49° | 64° | — | — |
| 1977 | 69° | 53° | 61° | 1.63" | — |
| 1976 | 81° | 52° | 66° | — | — |
| 1975 | 71° | 48° | 60° | — | — |
| 1974 | 70° | 50° | 60° | — | — |
| 1973 | 76° | 46° | 61° | — | — |
| 1972 | 80° | 42° | 61° | — | — |
| 1971 | 68° | 50° | 59° | — | — |
55 years of data from VALLEJO