Weather on August 9
Fairfield, CA
55 Years of Data
Avg High
91°F
Avg Low
57°F
Warmest
1990
86°F avg
Coldest
1973
64°F avg
About This Date
August 9th in Fairfield, CA typically brings hot summer weather, with average highs around 91°F and lows near 57°F — a 34°F daily swing. Over 55 years of records, the warmest August 9th was in 1990 (86°F average), while the coldest was 1973 (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 9th in Fairfield, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 101° | 63° | 82° | — | — |
| 2024 | 91° | 58° | 74° | — | — |
| 2023 | 84° | 57° | 71° | — | — |
| 2022 | 85° | 58° | 71° | — | — |
| 2021 | 90° | 58° | 74° | — | — |
| 2020 | 97° | 61° | 79° | — | — |
| 2019 | 85° | 59° | 72° | — | — |
| 2018 | 99° | 56° | 77° | — | — |
| 2017 | 84° | 59° | 72° | — | — |
| 2016 | 91° | 59° | 75° | — | — |
| 2015 | 91° | 60° | 76° | — | — |
| 2014 | 82° | 57° | 70° | — | — |
| 2013 | 83° | 52° | 67° | — | — |
| 2012 | 101° | 57° | 79° | — | — |
| 2011 | 90° | 55° | 72° | — | — |
| 2010 | 73° | 55° | 64° | — | — |
| 2009 | 90° | 60° | 75° | — | — |
| 2008 | 80° | 54° | 67° | — | — |
| 2007 | 83° | 52° | 67° | — | — |
| 2006 | 91° | 57° | 74° | — | — |
| 2005 | 89° | 57° | 73° | — | — |
| 2004 | 98° | 57° | 78° | — | — |
| 2003 | 87° | 57° | 72° | — | — |
| 2002 | 107° | 64° | 86° | — | — |
| 2001 | 86° | 59° | 73° | — | — |
| 2000 | 84° | 54° | 69° | — | — |
| 1999 | 81° | 56° | 68° | — | — |
| 1998 | 84° | 56° | 70° | — | — |
| 1997 | 95° | 60° | 78° | — | — |
| 1996 | 100° | 59° | 80° | — | — |
| 1995 | 94° | 64° | 79° | — | — |
| 1994 | 89° | 56° | 72° | — | — |
| 1993 | 86° | 55° | 71° | — | — |
| 1992 | 98° | 58° | 78° | — | — |
| 1991 | 88° | 64° | 76° | — | — |
| 1990warmest | 100° | 71° | 86° | — | — |
| 1989 | 87° | 57° | 72° | — | — |
| 1988 | 89° | 54° | 71° | — | — |
| 1987 | 85° | 54° | 69° | — | — |
| 1986 | 95° | 48° | 72° | — | — |
| 1985 | 96° | 50° | 73° | — | — |
| 1984 | 110° | 57° | 83° | — | — |
| 1983 | — | 58° | — | — | — |
| 1982 | 102° | 55° | 79° | — | — |
| 1981 | 105° | 56° | 80° | — | — |
| 1980 | 91° | 51° | 71° | — | — |
| 1979 | 88° | 54° | 71° | — | — |
| 1978 | 96° | 64° | 80° | — | — |
| 1977 | 79° | 54° | 66° | — | — |
| 1976 | 86° | 56° | 71° | — | — |
| 1975 | 98° | 59° | 79° | — | — |
| 1974 | 89° | 57° | 73° | — | — |
| 1973coldest | 75° | 53° | 64° | — | — |
| 1972 | 88° | 58° | 73° | — | — |
| 1971 | 99° | 64° | 81° | — | — |
55 years of data from FAIRFIELD