Weather on June 23
San Bernardino, CA
55 Years of Data
Avg High
91°F
Avg Low
59°F
Warmest
1987
89°F avg
Coldest
2003
63°F avg
About This Date
June 23rd in San Bernardino, CA typically brings hot summer weather, with average highs around 91°F and lows near 59°F — a 32°F daily swing. Over 48 years of records, the warmest June 23rd was in 1987 (89°F average), while the coldest was 2003 (63°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for June 23rd in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | — | — |
| 2017 | 93° | 61° | 77° | — | — |
| 2016 | 89° | 63° | 76° | — | — |
| 2015 | 92° | 65° | 78° | — | — |
| 2014 | 87° | 59° | 73° | — | — |
| 2013 | 80° | 59° | 70° | — | — |
| 2012 | 89° | 56° | 72° | — | — |
| 2011 | 97° | 60° | 78° | — | — |
| 2010 | 90° | 55° | 72° | — | — |
| 2009 | 88° | 54° | 71° | — | — |
| 2008 | 100° | 63° | 81° | — | — |
| 2007 | 93° | 59° | 76° | — | — |
| 2006 | 97° | 46° | 71° | — | — |
| 2005 | 93° | 56° | 74° | — | — |
| 2004 | 93° | 62° | 78° | — | — |
| 2003coldest | 70° | 57° | 63° | — | — |
| 2002 | 92° | 50° | 71° | — | — |
| 2001 | 97° | 65° | 81° | — | — |
| 2000 | 90° | 62° | 76° | — | — |
| 1999 | 92° | 58° | 75° | — | — |
| 1998 | 82° | 55° | 69° | — | — |
| 1997 | 83° | 60° | 71° | — | — |
| 1996 | 85° | 57° | 71° | — | — |
| 1995 | 96° | 56° | 76° | — | — |
| 1994 | 103° | 63° | 83° | — | — |
| 1993 | 98° | 56° | 77° | — | — |
| 1992 | 95° | 66° | 81° | — | — |
| 1991 | 80° | 54° | 67° | — | — |
| 1990 | 99° | 58° | 78° | — | — |
| 1989 | 81° | 60° | 70° | — | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987warmest | 86° | 91° | 89° | — | — |
| 1986 | 88° | 59° | 73° | — | — |
| 1985 | 94° | 60° | 77° | — | — |
| 1984 | 100° | 58° | 79° | — | — |
| 1983 | 89° | 55° | 72° | — | — |
| 1982 | 78° | 59° | 69° | — | — |
| 1981 | 103° | 64° | 83° | — | — |
| 1980 | 90° | 57° | 73° | — | — |
| 1979 | 94° | 57° | 75° | — | — |
| 1978 | 103° | 61° | 82° | — | — |
| 1977 | 96° | 60° | 78° | — | — |
| 1976 | 102° | 62° | 82° | — | — |
| 1975 | 86° | 56° | 71° | — | — |
| 1974 | 103° | 60° | 81° | — | — |
| 1973 | 104° | 62° | 83° | — | — |
| 1972 | 75° | 57° | 66° | — | — |
| 1971 | 102° | 59° | 81° | — | — |
48 years of data from NORTON AFB