Weather on December 11
San Bernardino, CA
55 Years of Data
Avg High
67°F
Avg Low
43°F
Warmest
2025
68°F avg
Coldest
1972
38°F avg
About This Date
December 11th in San Bernardino, CA typically brings mild winter weather, with average highs around 67°F and lows near 43°F. Over 47 years of records, the warmest December 11th was in 2025 (68°F average), while the coldest was 1972 (38°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 17% of December 11th dates historically, with the wettest December 11th recording 1.52" of rain.
Planning for December 11th in San Bernardino, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 86° | 49° | 68° | — | — |
| 2016 | 58° | 53° | 55° | — | — |
| 2015 | 52° | 46° | 49° | — | — |
| 2014 | 67° | 51° | 59° | — | — |
| 2013 | 67° | 35° | 51° | — | — |
| 2012 | 74° | 42° | 58° | — | — |
| 2011 | 61° | 36° | 48° | — | — |
| 2010 | 79° | 46° | 62° | — | — |
| 2009 | 58° | 43° | 50° | 0.58" | — |
| 2008 | 83° | 44° | 63° | — | — |
| 2007 | 62° | 38° | 50° | 0.03" | — |
| 2006 | 68° | 43° | 55° | — | — |
| 2005 | 74° | 44° | 59° | — | — |
| 2004 | 83° | 46° | 64° | — | — |
| 2003 | 62° | 46° | 54° | 0.1" | — |
| 2002 | 73° | 51° | 62° | — | — |
| 2001 | 58° | 36° | 47° | — | — |
| 2000 | 60° | 42° | 51° | — | — |
| 1999 | 64° | 50° | 57° | — | — |
| 1998 | 75° | 35° | 55° | — | — |
| 1997 | 60° | 46° | 53° | — | — |
| 1996 | 59° | 53° | 56° | 1.52" | — |
| 1995 | 79° | 45° | 62° | — | — |
| 1994 | 59° | 31° | 45° | — | — |
| 1993 | 58° | 42° | 50° | 0.2" | — |
| 1992 | 55° | 42° | 49° | — | — |
| 1991 | 65° | 51° | 58° | 0.08" | — |
| 1990 | 70° | 46° | 58° | — | — |
| 1989 | 61° | 39° | 50° | — | — |
| 1988 | 76° | 42° | 59° | — | — |
| 1987 | 75° | 46° | 61° | — | — |
| 1986 | 65° | 36° | 50° | — | — |
| 1985 | 50° | 33° | 42° | 0.08" | — |
| 1984 | 67° | 51° | 59° | 0.23" | — |
| 1983 | 60° | 40° | 50° | — | — |
| 1982 | 74° | 46° | 60° | — | — |
| 1981 | 67° | 46° | 56° | — | — |
| 1980 | 81° | 38° | 59° | — | — |
| 1979 | 65° | 43° | 54° | — | — |
| 1978 | 75° | 37° | 56° | — | — |
| 1977 | 65° | 49° | 57° | — | — |
| 1976 | 77° | 37° | 57° | — | — |
| 1975 | 61° | 46° | 53° | — | — |
| 1974 | 68° | 34° | 51° | — | — |
| 1973 | 71° | 39° | 55° | — | — |
| 1972coldest | 48° | 29° | 38° | — | — |
| 1971 | 57° | 36° | 46° | — | — |
47 years of data from NORTON AFB