Weather on July 31
Antioch, CA
55 Years of Data
Avg High
90°F
Avg Low
61°F
Warmest
1993
88°F avg
Coldest
2022
64°F avg
About This Date
July 31st in Antioch, CA typically brings hot summer weather, with average highs around 90°F and lows near 61°F — a 29°F daily swing. Over 55 years of records, the warmest July 31st was in 1993 (88°F average), while the coldest was 2022 (64°F) — a 24°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 July 31st in Antioch, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 67° | 76° | — | — |
| 2024 | 85° | 66° | 75° | — | — |
| 2023 | 85° | 71° | 78° | — | — |
| 2022coldest | 73° | 56° | 64° | — | — |
| 2021 | 93° | 63° | 78° | — | — |
| 2020 | 93° | 56° | 74° | — | — |
| 2019 | 90° | 56° | 73° | — | — |
| 2018 | 85° | 71° | 78° | — | — |
| 2017 | 88° | 71° | 79° | — | — |
| 2016 | 84° | 57° | 71° | — | — |
| 2015 | 91° | 64° | 78° | — | — |
| 2014 | 101° | 62° | 81° | — | — |
| 2013 | 87° | 55° | 71° | — | — |
| 2012 | 92° | 61° | 76° | — | — |
| 2011 | 84° | 51° | 68° | — | — |
| 2010 | 90° | 56° | 73° | — | — |
| 2009 | 77° | 61° | 69° | — | — |
| 2008 | 93° | 59° | 76° | — | — |
| 2007 | 90° | 60° | 75° | — | — |
| 2006 | 89° | 61° | 75° | — | — |
| 2005 | 97° | 61° | 79° | — | — |
| 2004 | 86° | 57° | 72° | — | — |
| 2003 | 80° | 67° | 73° | — | — |
| 2002 | 90° | 60° | 75° | — | — |
| 2001 | 81° | 57° | 69° | — | — |
| 2000 | 99° | 74° | 86° | — | — |
| 1999 | 85° | 56° | 70° | — | — |
| 1998 | 75° | 55° | 65° | — | — |
| 1997 | 88° | 55° | 71° | — | — |
| 1996 | 103° | 68° | 85° | — | — |
| 1995 | 97° | 67° | 82° | — | — |
| 1994 | 91° | 58° | 74° | — | — |
| 1993warmest | 100° | 76° | 88° | — | — |
| 1992 | 88° | 51° | 69° | — | — |
| 1991 | 100° | 59° | 80° | — | — |
| 1990 | 91° | 59° | 75° | — | — |
| 1989 | 88° | 60° | 74° | — | — |
| 1988 | 96° | 62° | 79° | — | — |
| 1987 | 89° | 58° | 73° | — | — |
| 1986 | 97° | 59° | 78° | — | — |
| 1985 | 83° | 60° | 71° | — | — |
| 1984 | 96° | 60° | 78° | — | — |
| 1983 | 91° | 55° | 73° | — | — |
| 1982 | 95° | 56° | 75° | — | — |
| 1981 | 90° | 49° | 69° | — | — |
| 1980 | 102° | 69° | 86° | — | — |
| 1979 | 102° | 59° | 81° | — | — |
| 1978 | 96° | 56° | 76° | — | — |
| 1977 | 108° | 62° | 85° | — | — |
| 1976 | 82° | 59° | 71° | — | — |
| 1975 | 83° | 61° | 72° | — | — |
| 1974 | 87° | 60° | 74° | — | — |
| 1973 | 94° | 59° | 76° | — | — |
| 1972 | 82° | 59° | 71° | — | — |
| 1971 | 88° | 64° | 76° | — | — |
55 years of data from ANTIOCH FIBREBRD MILLS