Weather on August 11
Vallejo, CA
55 Years of Data
Avg High
85°F
Avg Low
55°F
Warmest
1980
77°F avg
Coldest
2010
61°F avg
About This Date
August 11th in Vallejo, CA typically brings warm summer weather, with average highs around 85°F and lows near 55°F — a 30°F daily swing. Over 55 years of records, the warmest August 11th was in 1980 (77°F average), while the coldest was 2010 (61°F) — a 16°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 11th in Vallejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 58° | 70° | — | — |
| 2024 | 86° | 54° | 70° | — | — |
| 2023 | 82° | 56° | 69° | — | — |
| 2022 | 85° | 59° | 72° | — | — |
| 2021 | 93° | 56° | 74° | — | — |
| 2020 | 80° | 59° | 70° | — | — |
| 2019 | 92° | 59° | 75° | — | — |
| 2018 | 92° | 59° | 75° | — | — |
| 2017 | 87° | 57° | 72° | — | — |
| 2016 | 84° | 55° | 70° | — | — |
| 2015 | 84° | 59° | 72° | — | — |
| 2014 | 78° | 50° | 64° | — | — |
| 2013 | 75° | 53° | 64° | — | — |
| 2012 | 87° | 48° | 68° | — | — |
| 2011 | 70° | 54° | 62° | — | — |
| 2010coldest | 69° | 53° | 61° | — | — |
| 2009 | 72° | 56° | 64° | — | — |
| 2008 | 84° | 52° | 68° | — | — |
| 2007 | 80° | 51° | 66° | — | — |
| 2006 | 73° | 51° | 62° | — | — |
| 2005 | 86° | 54° | 70° | — | — |
| 2004 | 91° | 56° | 73° | — | — |
| 2003 | 86° | 57° | 72° | — | — |
| 2002 | 84° | 46° | 65° | — | — |
| 2001 | 90° | 53° | 71° | — | — |
| 2000 | 91° | 55° | 73° | — | — |
| 1999 | 73° | 60° | 67° | — | — |
| 1998 | 95° | 59° | 77° | — | — |
| 1997 | 86° | 57° | 72° | — | — |
| 1996 | 100° | 54° | 77° | — | — |
| 1995 | 85° | 50° | 67° | — | — |
| 1994 | 93° | 52° | 72° | — | — |
| 1993 | 81° | 53° | 67° | — | — |
| 1992 | 91° | 58° | 74° | — | — |
| 1991 | 88° | 54° | 71° | — | — |
| 1990 | 95° | 58° | 76° | — | — |
| 1989 | 82° | 48° | 65° | — | — |
| 1988 | 73° | 55° | 64° | — | — |
| 1987 | 86° | 50° | 68° | — | — |
| 1986 | 90° | 58° | 74° | — | — |
| 1985 | 84° | 49° | 66° | — | — |
| 1984 | 88° | 57° | 72° | — | — |
| 1983 | 93° | 51° | 72° | — | — |
| 1982 | 85° | 57° | 71° | — | — |
| 1981 | 80° | 57° | 69° | — | — |
| 1980warmest | 94° | 61° | 77° | — | — |
| 1979 | 94° | 53° | 73° | — | — |
| 1978 | 89° | 53° | 71° | — | — |
| 1977 | 85° | 54° | 69° | — | — |
| 1976 | 75° | 55° | 65° | — | — |
| 1975 | 92° | 53° | 72° | — | — |
| 1974 | 78° | 57° | 68° | — | — |
| 1973 | 88° | 55° | 71° | — | — |
| 1972 | 84° | 57° | 71° | — | — |
| 1971 | 94° | 59° | 76° | — | — |
55 years of data from VALLEJO