Weather on June 21
Stockton, CA
55 Years of Data
Avg High
91°F
Avg Low
56°F
Warmest
2001
88°F avg
Coldest
1991
63°F avg
About This Date
June 21st in Stockton, CA typically brings hot summer weather, with average highs around 91°F and lows near 56°F — a 35°F daily swing. Over 55 years of records, the warmest June 21st was in 2001 (88°F average), while the coldest was 1991 (63°F) — a 25°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 21st in Stockton, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 52° | 67° | — | — |
| 2024 | 96° | 55° | 76° | — | — |
| 2023 | 86° | 48° | 67° | — | — |
| 2022 | 106° | 59° | 82° | — | — |
| 2021 | 86° | 56° | 71° | — | — |
| 2020 | 97° | 60° | 78° | — | — |
| 2019 | 89° | 58° | 73° | — | — |
| 2018 | 97° | 52° | 74° | — | — |
| 2017 | 107° | 67° | 87° | — | — |
| 2016 | 101° | 56° | 78° | — | — |
| 2015 | 91° | 60° | 76° | — | — |
| 2014 | 88° | 58° | 73° | — | — |
| 2013 | 90° | 54° | 72° | — | — |
| 2012 | 80° | 54° | 67° | — | — |
| 2011 | 103° | 62° | 82° | — | — |
| 2010 | 93° | 56° | 74° | — | — |
| 2009 | 84° | 46° | 65° | — | — |
| 2008 | 104° | 69° | 87° | — | — |
| 2007 | 87° | 54° | 70° | — | — |
| 2006 | 97° | 63° | 80° | — | — |
| 2005 | 84° | 54° | 69° | — | — |
| 2004 | 92° | 52° | 72° | — | — |
| 2003 | 87° | 52° | 69° | — | — |
| 2002 | 89° | 54° | 71° | — | — |
| 2001warmest | 104° | 72° | 88° | — | — |
| 2000 | 99° | 63° | 81° | — | — |
| 1999 | 95° | 67° | 81° | — | — |
| 1998 | 82° | 54° | 68° | — | — |
| 1997 | 90° | 57° | 73° | — | — |
| 1996 | 95° | 52° | 73° | — | — |
| 1995 | 85° | 57° | 71° | — | — |
| 1994 | 90° | 45° | 67° | — | — |
| 1993 | 94° | 56° | 75° | — | — |
| 1992 | 99° | 61° | 80° | — | — |
| 1991coldest | 84° | 42° | 63° | — | — |
| 1990 | 105° | 56° | 80° | — | — |
| 1989 | 98° | 60° | 79° | — | — |
| 1988 | 88° | 41° | 64° | — | — |
| 1987 | 80° | 59° | 70° | — | — |
| 1986 | 90° | 51° | 70° | — | — |
| 1985 | 90° | 58° | 74° | — | — |
| 1984 | 85° | 51° | 68° | — | — |
| 1983 | 81° | 52° | 66° | — | — |
| 1982 | 85° | 55° | 70° | — | — |
| 1981 | 103° | 66° | 84° | — | — |
| 1980 | 84° | 51° | 68° | — | — |
| 1979 | 90° | 50° | 70° | — | — |
| 1978 | 83° | 52° | 67° | — | — |
| 1977 | 90° | 54° | 72° | — | — |
| 1976 | 78° | 51° | 65° | — | — |
| 1975 | 84° | 49° | 66° | — | — |
| 1974 | 89° | 63° | 76° | — | — |
| 1973 | 104° | 63° | 83° | — | — |
| 1972 | 92° | 53° | 72° | — | — |
| 1971 | 93° | 59° | 76° | — | — |
55 years of data from STOCKTON FIRE STN 4