Weather on August 19
Fairfield, CA
55 Years of Data
Avg High
86°F
Avg Low
56°F
Warmest
2020
87°F avg
Coldest
1981
61°F avg
About This Date
August 19th in Fairfield, CA typically brings warm summer weather, with average highs around 86°F and lows near 56°F — a 30°F daily swing. Over 55 years of records, the warmest August 19th was in 2020 (87°F average), while the coldest was 1981 (61°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 19th dates historically, with the wettest August 19th recording 0.71" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Fairfield, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 57° | 73° | — | — |
| 2024 | 88° | 56° | 72° | — | — |
| 2023 | 87° | 61° | 74° | — | — |
| 2022 | 96° | 62° | 79° | — | — |
| 2021 | 83° | 60° | 71° | — | — |
| 2020warmest | 102° | 71° | 87° | — | — |
| 2019 | 79° | 57° | 68° | — | — |
| 2018 | 94° | 53° | 73° | — | — |
| 2017 | 84° | 58° | 71° | — | — |
| 2016 | 87° | 60° | 74° | — | — |
| 2015 | 85° | 58° | 71° | — | — |
| 2014 | 79° | 57° | 68° | — | — |
| 2013 | 100° | 68° | 84° | — | — |
| 2012 | 80° | 56° | 68° | — | — |
| 2011 | 89° | 60° | 75° | — | — |
| 2010 | 82° | 53° | 68° | — | — |
| 2009 | 92° | 56° | 74° | — | — |
| 2008 | 76° | 57° | 66° | — | — |
| 2007 | 84° | 56° | 70° | — | — |
| 2006 | 89° | 54° | 71° | — | — |
| 2005 | 74° | 55° | 64° | — | — |
| 2004 | 99° | 58° | 78° | — | — |
| 2003 | 79° | 57° | 68° | — | — |
| 2002 | 94° | 56° | 75° | — | — |
| 2001 | 90° | 55° | 72° | — | — |
| 2000 | 83° | 53° | 68° | — | — |
| 1999 | 84° | 54° | 69° | — | — |
| 1998 | 78° | 57° | 68° | — | — |
| 1997 | 86° | 58° | 72° | — | — |
| 1996 | 86° | 56° | 71° | — | — |
| 1995 | 100° | 59° | 80° | — | — |
| 1994 | 87° | 58° | 72° | — | — |
| 1993 | 78° | 57° | 68° | — | — |
| 1992 | 99° | 60° | 79° | — | — |
| 1991 | 81° | 55° | 68° | — | — |
| 1990 | 83° | 56° | 69° | — | — |
| 1989 | 81° | 54° | 67° | — | — |
| 1988 | 96° | 61° | 78° | — | — |
| 1987 | 78° | 59° | 69° | — | — |
| 1986 | 100° | 50° | 75° | — | — |
| 1985 | 89° | 40° | 64° | — | — |
| 1984 | 102° | 55° | 79° | — | — |
| 1983 | — | 60° | — | 0.03" | — |
| 1982 | 92° | 55° | 73° | — | — |
| 1981coldest | 79° | 43° | 61° | — | — |
| 1980 | 75° | 52° | 63° | — | — |
| 1979 | 90° | 58° | 74° | — | — |
| 1978 | 83° | 55° | 69° | — | — |
| 1977 | 84° | 57° | 71° | — | — |
| 1976 | 68° | 56° | 62° | 0.71" | — |
| 1975 | 73° | 55° | 64° | — | — |
| 1974 | 86° | 52° | 69° | — | — |
| 1973 | 84° | 54° | 69° | — | — |
| 1972 | 79° | 56° | 67° | — | — |
| 1971 | 89° | 56° | 72° | — | — |
55 years of data from FAIRFIELD