Weather on June 30
San Bernardino, CA
55 Years of Data
Avg High
94°F
Avg Low
61°F
Warmest
2013
90°F avg
Coldest
1982
67°F avg
About This Date
June 30th in San Bernardino, CA typically brings hot summer weather, with average highs around 94°F and lows near 61°F — a 33°F daily swing. Over 48 years of records, the warmest June 30th was in 2013 (90°F average), while the coldest was 1982 (67°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for June 30th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 66° | 81° | — | — |
| 2017 | 87° | 57° | 72° | — | — |
| 2016 | 98° | 69° | 84° | — | — |
| 2015 | 96° | 73° | 85° | — | — |
| 2014 | 91° | 65° | 78° | — | — |
| 2013warmest | 106° | 74° | 90° | — | — |
| 2012 | 95° | 58° | 76° | — | — |
| 2011 | 93° | 55° | 74° | — | — |
| 2010 | 93° | 58° | 75° | — | — |
| 2009 | 95° | 64° | 80° | — | — |
| 2008 | 100° | 61° | 80° | — | — |
| 2007 | 99° | 59° | 79° | — | — |
| 2006 | 100° | 60° | 80° | — | — |
| 2005 | 93° | 57° | 75° | — | — |
| 2004 | 81° | 60° | 70° | — | — |
| 2003 | 97° | 45° | 71° | — | — |
| 2002 | 92° | 64° | 78° | — | — |
| 2001 | 101° | 65° | 83° | — | — |
| 2000 | 96° | 62° | 79° | — | — |
| 1999 | 96° | 60° | 78° | — | — |
| 1998 | 91° | 59° | 75° | — | — |
| 1997 | 88° | 57° | 72° | — | — |
| 1996 | 103° | 53° | 78° | — | — |
| 1995 | 93° | 61° | 77° | — | — |
| 1994 | 96° | 67° | 81° | — | — |
| 1993 | 95° | 62° | 79° | — | — |
| 1992 | 67° | 80° | 73° | — | — |
| 1991 | 95° | 53° | 74° | — | — |
| 1990 | 96° | 67° | 81° | — | — |
| 1989 | 87° | 54° | 70° | — | — |
| 1988 | 94° | 61° | 77° | — | — |
| 1987 | 81° | 58° | 69° | — | — |
| 1986 | 97° | 68° | 82° | — | — |
| 1985 | 102° | 65° | 83° | — | — |
| 1984 | 98° | 67° | 82° | — | — |
| 1983 | 78° | 58° | 68° | — | — |
| 1982coldest | 77° | 58° | 67° | — | — |
| 1981 | 99° | 56° | 77° | — | — |
| 1980 | 95° | 67° | 81° | — | — |
| 1979 | 100° | 63° | 81° | — | — |
| 1978 | 91° | 57° | 74° | — | — |
| 1977 | 97° | 65° | 81° | — | — |
| 1976 | 98° | 62° | 80° | — | — |
| 1975 | 91° | 57° | 74° | — | — |
| 1974 | 92° | 58° | 75° | — | — |
| 1973 | 96° | 60° | 78° | — | — |
| 1972 | 97° | 63° | 80° | — | — |
| 1971 | 94° | 53° | 73° | — | — |
48 years of data from NORTON AFB