Weather on June 30
Fairfield, CA
55 Years of Data
Avg High
89°F
Avg Low
56°F
Warmest
2013
84°F avg
Coldest
2011
57°F avg
About This Date
June 30th in Fairfield, CA typically brings warm summer weather, with average highs around 89°F and lows near 56°F — a 33°F daily swing. Over 55 years of records, the warmest June 30th was in 2013 (84°F average), while the coldest was 2011 (57°F) — a 27°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 June 30th in Fairfield, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 58° | 75° | — | — |
| 2024 | 93° | 70° | 81° | — | — |
| 2023 | 100° | 60° | 80° | — | — |
| 2022 | 80° | 55° | 68° | — | — |
| 2021 | 84° | 59° | 72° | — | — |
| 2020 | 90° | 59° | 74° | — | — |
| 2019 | 85° | 58° | 71° | — | — |
| 2018 | 100° | 62° | 81° | — | — |
| 2017 | 86° | 55° | 71° | — | — |
| 2016 | 97° | 56° | 76° | — | — |
| 2015 | 104° | 62° | 83° | — | — |
| 2014 | 102° | 64° | 83° | — | — |
| 2013warmest | 103° | 66° | 84° | — | — |
| 2012 | 84° | 57° | 71° | — | — |
| 2011coldest | 83° | 31° | 57° | — | — |
| 2010 | 98° | 57° | 78° | — | — |
| 2009 | 95° | 56° | 75° | — | — |
| 2008 | 87° | 51° | 69° | — | — |
| 2007 | 80° | 54° | 67° | — | — |
| 2006 | 93° | 59° | 76° | — | — |
| 2005 | 94° | 58° | 76° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003 | 88° | 56° | 72° | — | — |
| 2002 | 96° | 60° | 78° | — | — |
| 2001 | 96° | 61° | 78° | — | — |
| 2000 | 85° | 53° | 69° | — | — |
| 1999 | 102° | 64° | 83° | — | — |
| 1998 | 79° | 53° | 66° | — | — |
| 1997 | 78° | 57° | 68° | — | — |
| 1996 | 98° | 62° | 80° | — | — |
| 1995 | 79° | 56° | 67° | — | — |
| 1994 | 93° | 55° | 74° | — | — |
| 1993 | 95° | 62° | 79° | — | — |
| 1992 | 76° | 56° | 66° | — | — |
| 1991 | 93° | 56° | 74° | — | — |
| 1990 | 92° | 58° | 75° | — | — |
| 1989 | 79° | 60° | 69° | — | — |
| 1988 | 94° | 59° | 76° | — | — |
| 1987 | 73° | 52° | 62° | — | — |
| 1986 | 93° | 50° | 72° | — | — |
| 1985 | 90° | 49° | 69° | — | — |
| 1984 | 94° | 54° | 74° | — | — |
| 1983 | 89° | 54° | 71° | — | — |
| 1982 | 85° | 52° | 68° | — | — |
| 1981 | 88° | 48° | 68° | — | — |
| 1980 | 87° | 55° | 71° | — | — |
| 1979 | 87° | 37° | 62° | — | — |
| 1978 | 77° | 54° | 65° | — | — |
| 1977 | 84° | 58° | 71° | — | — |
| 1976 | — | 45° | — | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974 | 93° | 55° | 74° | — | — |
| 1973 | 80° | 55° | 68° | — | — |
| 1972 | 103° | 54° | 78° | — | — |
| 1971 | 85° | 55° | 70° | — | — |
55 years of data from FAIRFIELD