Weather on August 12
Fairfield, CA
55 Years of Data
Avg High
89°F
Avg Low
57°F
Warmest
1996
86°F avg
Coldest
2010
64°F avg
About This Date
August 12th in Fairfield, CA typically brings warm summer weather, with average highs around 89°F and lows near 57°F — a 32°F daily swing. Over 55 years of records, the warmest August 12th was in 1996 (86°F average), while the coldest was 2010 (64°F) — a 22°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 12th in Fairfield, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 59° | 73° | — | — |
| 2024 | 86° | 57° | 72° | — | — |
| 2023 | 93° | 58° | 75° | — | — |
| 2022 | 89° | 58° | 73° | — | — |
| 2021 | 94° | 61° | 77° | — | — |
| 2020 | 96° | 57° | 77° | — | — |
| 2019 | 96° | 60° | 78° | — | — |
| 2018 | 91° | 58° | 74° | — | — |
| 2017 | 88° | 61° | 74° | — | — |
| 2016 | 97° | 55° | 76° | — | — |
| 2015 | 88° | 57° | 72° | — | — |
| 2014 | 93° | 60° | 77° | — | — |
| 2013 | 88° | 55° | 71° | — | — |
| 2012 | 96° | 56° | 76° | — | — |
| 2011 | 88° | 55° | 71° | — | — |
| 2010coldest | 77° | 50° | 64° | — | — |
| 2009 | 99° | 60° | 79° | — | — |
| 2008 | 97° | 58° | 77° | — | — |
| 2007 | 80° | 55° | 68° | — | — |
| 2006 | 84° | 57° | 71° | — | — |
| 2005 | 96° | 58° | 77° | — | — |
| 2004 | 89° | 59° | 74° | — | — |
| 2003 | 91° | 57° | 74° | — | — |
| 2002 | 97° | 66° | 81° | — | — |
| 2001 | 83° | 55° | 69° | — | — |
| 2000 | 97° | 55° | 76° | — | — |
| 1999 | 77° | 56° | 66° | — | — |
| 1998 | 103° | 64° | 83° | — | — |
| 1997 | 85° | 59° | 72° | — | — |
| 1996warmest | 105° | 67° | 86° | — | — |
| 1995 | 95° | 56° | 75° | — | — |
| 1994 | 96° | 57° | 77° | — | — |
| 1993 | 85° | 54° | 69° | — | — |
| 1992 | 91° | 62° | 77° | — | — |
| 1991 | 88° | 59° | 73° | — | — |
| 1990 | 88° | 58° | 73° | — | — |
| 1989 | 88° | 54° | 71° | — | — |
| 1988 | — | 55° | — | — | — |
| 1987 | 78° | 53° | 66° | — | — |
| 1986 | 89° | 50° | 70° | — | — |
| 1985 | 91° | 52° | 71° | — | — |
| 1984 | 92° | 56° | 74° | — | — |
| 1983 | — | 56° | — | — | — |
| 1982 | 89° | 55° | 72° | — | — |
| 1981 | 85° | 57° | 71° | — | — |
| 1980 | 95° | 54° | 74° | — | — |
| 1979 | 96° | 55° | 76° | — | — |
| 1978 | 82° | 56° | 69° | — | — |
| 1977 | 85° | 57° | 71° | — | — |
| 1976 | 80° | 54° | 67° | — | — |
| 1975 | 85° | 52° | 68° | — | — |
| 1974 | 78° | 51° | 65° | — | — |
| 1973 | 84° | 52° | 68° | — | — |
| 1972 | 80° | 54° | 67° | — | — |
| 1971 | 92° | 56° | 74° | — | — |
55 years of data from FAIRFIELD