Weather on August 25
San Bernardino, CA
55 Years of Data
Avg High
95°F
Avg Low
64°F
Warmest
1985
90°F avg
Coldest
1983
67°F avg
About This Date
August 25th in San Bernardino, CA typically brings hot summer weather, with average highs around 95°F and lows near 64°F — a 31°F daily swing. Over 48 years of records, the warmest August 25th was in 1985 (90°F average), while the coldest was 1983 (67°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for August 25th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 100° | 73° | 87° | — | — |
| 2017 | 90° | 63° | 76° | — | — |
| 2016 | 89° | 63° | 76° | — | — |
| 2015 | 87° | 74° | 80° | — | — |
| 2014 | 86° | 62° | 74° | — | — |
| 2013 | 98° | 68° | 83° | — | — |
| 2012 | 89° | 64° | 77° | — | — |
| 2011 | 105° | 67° | 86° | — | — |
| 2010 | 107° | 70° | 88° | — | — |
| 2009 | 99° | 61° | 80° | — | — |
| 2008 | 103° | 68° | 85° | — | — |
| 2007 | 94° | 64° | 79° | — | — |
| 2006 | 89° | 63° | 76° | — | — |
| 2005 | 101° | 66° | 83° | — | — |
| 2004 | 88° | 58° | 73° | — | — |
| 2003 | 100° | 70° | 85° | — | — |
| 2002 | 97° | 58° | 77° | — | — |
| 2001 | 103° | 64° | 83° | — | — |
| 2000 | 97° | 63° | 80° | — | — |
| 1999 | 107° | 70° | 88° | — | — |
| 1998 | 97° | 66° | 81° | — | — |
| 1997 | 96° | 65° | 80° | — | — |
| 1996 | 101° | 69° | 85° | — | — |
| 1995 | 97° | 64° | 80° | — | — |
| 1994 | 99° | 59° | 79° | — | — |
| 1993 | 96° | 65° | 80° | — | — |
| 1992 | 90° | 63° | 76° | — | — |
| 1991 | 103° | 60° | 81° | — | — |
| 1990 | 82° | 62° | 72° | — | — |
| 1989 | 80° | 58° | 69° | — | — |
| 1988 | 97° | 72° | 84° | — | — |
| 1987 | 85° | 57° | 71° | — | — |
| 1986 | 101° | 62° | 81° | — | — |
| 1985warmest | 110° | 70° | 90° | — | — |
| 1984 | 93° | 64° | 79° | — | — |
| 1983coldest | 74° | 61° | 67° | — | — |
| 1982 | 94° | 66° | 80° | — | — |
| 1981 | 109° | 70° | 89° | — | — |
| 1980 | 94° | 63° | 78° | — | — |
| 1979 | 98° | 64° | 81° | — | — |
| 1978 | 90° | 52° | 71° | — | — |
| 1977 | 90° | 61° | 75° | — | — |
| 1976 | 98° | 62° | 80° | — | — |
| 1975 | 99° | 56° | 77° | — | — |
| 1974 | 101° | 60° | 80° | — | — |
| 1973 | 82° | 57° | 70° | — | — |
| 1972 | 85° | 63° | 74° | — | — |
| 1971 | 100° | 60° | 80° | — | — |
48 years of data from NORTON AFB