Weather on June 20
Vallejo, CA
55 Years of Data
Avg High
83°F
Avg Low
53°F
Warmest
1981
86°F avg
Coldest
1977
57°F avg
About This Date
June 20th in Vallejo, CA typically brings warm summer weather, with average highs around 83°F and lows near 53°F — a 30°F daily swing. Over 55 years of records, the warmest June 20th was in 1981 (86°F average), while the coldest was 1977 (57°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 51° | 61° | — | — |
| 2024 | 79° | 51° | 65° | — | — |
| 2023 | 80° | 48° | 64° | — | — |
| 2022 | 95° | 55° | 75° | — | — |
| 2021 | 85° | 55° | 70° | — | — |
| 2020 | 83° | 54° | 68° | — | — |
| 2019 | 73° | 56° | 64° | — | — |
| 2018 | 79° | 52° | 65° | — | — |
| 2017 | 94° | 58° | 76° | — | — |
| 2016 | 93° | 55° | 74° | — | — |
| 2015 | 90° | 54° | 72° | — | — |
| 2014 | 91° | 45° | 68° | — | — |
| 2013 | 82° | 45° | 63° | — | — |
| 2012 | 88° | 50° | 69° | — | — |
| 2011 | 94° | 54° | 74° | — | — |
| 2010 | 78° | 42° | 60° | — | — |
| 2009 | 74° | 50° | 62° | — | — |
| 2008 | 103° | 53° | 78° | — | — |
| 2007 | 72° | 51° | 61° | — | — |
| 2006 | 87° | 53° | 70° | — | — |
| 2005 | 77° | 52° | 64° | — | — |
| 2004 | 72° | 54° | 63° | — | — |
| 2003 | 77° | 51° | 64° | — | — |
| 2002 | 83° | 53° | 68° | — | — |
| 2001 | 99° | 51° | 75° | — | — |
| 2000 | 80° | 54° | 67° | — | — |
| 1999 | 77° | 52° | 64° | — | — |
| 1998 | 67° | 51° | 59° | — | — |
| 1997 | 87° | 57° | 72° | — | — |
| 1996 | 82° | 52° | 67° | — | — |
| 1995 | 86° | 51° | 69° | — | — |
| 1994 | 82° | 51° | 67° | — | — |
| 1993 | 89° | 61° | 75° | — | — |
| 1992 | 93° | 55° | 74° | — | — |
| 1991 | 81° | 48° | 64° | — | — |
| 1990 | 104° | 60° | 82° | — | — |
| 1989 | 97° | 63° | 80° | — | — |
| 1988 | 84° | 58° | 71° | — | — |
| 1987 | 79° | 47° | 63° | — | — |
| 1986 | 90° | 54° | 72° | — | — |
| 1985 | 79° | 56° | 67° | — | — |
| 1984 | 84° | 45° | 64° | — | — |
| 1983 | 85° | 57° | 71° | — | — |
| 1982 | 77° | 56° | 66° | — | — |
| 1981warmest | 103° | 69° | 86° | — | — |
| 1980 | 80° | 59° | 70° | — | — |
| 1979 | 87° | 54° | 70° | — | — |
| 1978 | 80° | 49° | 64° | — | — |
| 1977coldest | 62° | 51° | 57° | — | — |
| 1976 | 73° | 51° | 62° | — | — |
| 1975 | 66° | 52° | 59° | — | — |
| 1974 | 72° | 54° | 63° | — | — |
| 1973 | 97° | 57° | 77° | — | — |
| 1972 | 80° | 54° | 67° | — | — |
| 1971 | 77° | 54° | 65° | — | — |
55 years of data from VALLEJO