Weather on May 23
Vallejo, CA
55 Years of Data
Avg High
78°F
Avg Low
49°F
Warmest
2000
79°F avg
Coldest
2005
43°F avg
About This Date
May 23rd in Vallejo, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 49°F — a 29°F daily swing. Over 55 years of records, the warmest May 23rd was in 2000 (79°F average), while the coldest was 2005 (43°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 23rd dates historically. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for May 23rd 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 | 75° | 49° | 62° | — | — |
| 2024 | 79° | 52° | 65° | — | — |
| 2023 | 79° | 51° | 65° | — | — |
| 2022 | 88° | 55° | 71° | — | — |
| 2021 | 77° | — | — | — | — |
| 2020 | 86° | 53° | 70° | — | — |
| 2019 | 71° | 52° | 61° | — | — |
| 2018 | 65° | 54° | 59° | — | — |
| 2017 | 87° | 52° | 69° | — | — |
| 2016 | 75° | 48° | 62° | — | — |
| 2015 | 75° | 52° | 63° | — | — |
| 2014 | 70° | 49° | 59° | — | — |
| 2013 | 71° | 43° | 57° | — | — |
| 2012 | 78° | 47° | 62° | — | — |
| 2011 | 70° | 48° | 59° | — | — |
| 2010 | 70° | 31° | 50° | — | — |
| 2009 | 61° | 49° | 55° | — | — |
| 2008 | 70° | 46° | 58° | — | — |
| 2007 | 91° | 53° | 72° | — | — |
| 2006 | 71° | 51° | 61° | — | — |
| 2005coldest | 80° | 6° | 43° | — | — |
| 2004 | 71° | 50° | 61° | — | — |
| 2003 | 80° | 51° | 66° | — | — |
| 2002 | 78° | 43° | 60° | — | — |
| 2001 | 80° | 49° | 64° | — | — |
| 2000warmest | 94° | 64° | 79° | — | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 73° | 47° | 60° | — | — |
| 1997 | 77° | 59° | 68° | 0.13" | — |
| 1996 | 78° | 49° | 63° | — | — |
| 1995 | 80° | 50° | 65° | — | — |
| 1994 | 88° | 49° | 68° | — | — |
| 1993 | 75° | 52° | 63° | — | — |
| 1992 | 90° | 54° | 72° | — | — |
| 1991 | 86° | 49° | 67° | — | — |
| 1990 | 71° | 50° | 61° | 0.43" | — |
| 1989 | 72° | 47° | 59° | 0.13" | — |
| 1988 | 83° | 50° | 66° | — | — |
| 1987 | 78° | 44° | 61° | — | — |
| 1986 | 78° | 48° | 63° | — | — |
| 1985 | 83° | 55° | 69° | — | — |
| 1984 | 87° | 58° | 72° | — | — |
| 1983 | 80° | 52° | 66° | — | — |
| 1982 | 99° | 55° | 77° | — | — |
| 1981 | 87° | 59° | 73° | — | — |
| 1980 | 68° | 53° | 61° | — | — |
| 1979 | 84° | — | — | — | — |
| 1978 | 72° | 49° | 60° | — | — |
| 1977 | 61° | 50° | 55° | — | — |
| 1976 | 75° | 45° | 60° | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974 | 78° | 49° | 63° | — | — |
| 1973 | 72° | 52° | 62° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 80° | 51° | 66° | — | — |
55 years of data from VALLEJO