Weather on November 20
San Bernardino, CA
55 Years of Data
Avg High
72°F
Avg Low
46°F
Warmest
2006
73°F avg
Coldest
1994
46°F avg
About This Date
November 20th in San Bernardino, CA typically brings pleasant fall weather, with average highs around 72°F and lows near 46°F — a 26°F daily swing. Over 47 years of records, the warmest November 20th was in 2006 (73°F average), while the coldest was 1994 (46°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 9% of November 20th dates historically, with the wettest November 20th recording 1.52" of rain.
Planning for November 20th in San Bernardino, CA? Great weather for outdoor activities.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 46° | 53° | — | — |
| 2017 | 75° | 55° | 65° | — | — |
| 2015 | 82° | 65° | 73° | — | — |
| 2014 | 65° | 45° | 55° | — | — |
| 2013 | 59° | 53° | 56° | — | — |
| 2012 | 77° | 43° | 60° | — | — |
| 2011 | 60° | 43° | 51° | — | — |
| 2010 | 56° | 50° | 53° | 1.52" | — |
| 2009 | 77° | 42° | 60° | — | — |
| 2008 | 82° | 51° | 67° | — | — |
| 2007 | 78° | 45° | 61° | — | — |
| 2006warmest | 93° | 54° | 73° | — | — |
| 2005 | 87° | 46° | 67° | — | — |
| 2004 | 65° | 45° | 55° | — | — |
| 2003 | 75° | 45° | 60° | — | — |
| 2002 | 87° | 52° | 69° | — | — |
| 2001 | 89° | 53° | 71° | — | — |
| 2000 | 80° | 39° | 60° | — | — |
| 1999 | 67° | 48° | 57° | — | — |
| 1998 | 78° | 40° | 59° | — | — |
| 1997 | 71° | 47° | 59° | — | — |
| 1996 | 70° | 53° | 61° | — | — |
| 1995 | 83° | 49° | 66° | — | — |
| 1994coldest | 60° | 32° | 46° | — | — |
| 1993 | 74° | 39° | 56° | — | — |
| 1992 | 64° | 56° | 60° | — | — |
| 1991 | 75° | 42° | 59° | — | — |
| 1990 | 61° | 51° | 56° | 0.56" | — |
| 1989 | 80° | 55° | 68° | — | — |
| 1988 | 68° | 35° | 52° | — | — |
| 1987 | 78° | 40° | 59° | — | — |
| 1986 | 76° | 48° | 62° | — | — |
| 1985 | 67° | 36° | 51° | — | — |
| 1984 | 76° | 41° | 58° | — | — |
| 1983 | 60° | 48° | 54° | 0.76" | — |
| 1982 | 62° | 50° | 56° | 0.05" | — |
| 1981 | 79° | 41° | 60° | — | — |
| 1980 | 76° | 48° | 62° | — | — |
| 1979 | 63° | 39° | 51° | — | — |
| 1978 | 62° | 38° | 50° | — | — |
| 1977 | 65° | 44° | 54° | — | — |
| 1976 | 80° | 46° | 63° | — | — |
| 1975 | 72° | 34° | 53° | — | — |
| 1974 | 80° | 46° | 63° | — | — |
| 1973 | 64° | 36° | 50° | — | — |
| 1972 | 67° | 41° | 54° | — | — |
| 1971 | 70° | 45° | 57° | — | — |
47 years of data from NORTON AFB