Weather on October 31
San Bernardino, CA
55 Years of Data
About This Date
October 31st in San Bernardino, CA typically brings pleasant fall weather, with average highs around 76°F and lows near 50°F — a 26°F daily swing. Over 48 years of records, the warmest October 31st was in 2015 (76°F average), while the coldest was 2002 (49°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 8% of October 31st dates historically, with the wettest October 31st recording 1.91" of rain.
Planning for October 31st in San Bernardino, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 55° | 71° | — | — |
| 2017 | 64° | 54° | 59° | — | — |
| 2016 | 63° | 53° | 58° | — | — |
| 2015warmest | 89° | 63° | 76° | — | — |
| 2014 | 63° | 55° | 59° | — | — |
| 2013 | 78° | 45° | 61° | — | — |
| 2012 | 80° | 49° | 64° | — | — |
| 2011 | 89° | 51° | 70° | — | — |
| 2010 | 70° | 48° | 59° | — | — |
| 2009 | 89° | 47° | 68° | — | — |
| 2008 | 85° | 60° | 72° | — | — |
| 2007 | 83° | 48° | 65° | — | — |
| 2006 | 71° | 53° | 62° | — | — |
| 2005 | 89° | 49° | 69° | — | — |
| 2004 | 76° | 43° | 59° | — | — |
| 2003 | 64° | 46° | 55° | — | — |
| 2002coldest | 63° | 36° | 49° | — | — |
| 2001 | 74° | 54° | 64° | — | — |
| 2000 | 67° | 46° | 56° | 0.03" | — |
| 1999 | 91° | 50° | 71° | — | — |
| 1998 | 76° | 46° | 61° | — | — |
| 1997 | 88° | 50° | 69° | — | — |
| 1996 | 62° | 43° | 52° | — | — |
| 1995 | 77° | 59° | 68° | — | — |
| 1994 | 85° | 49° | 67° | — | — |
| 1993 | 80° | 49° | 64° | — | — |
| 1992 | 71° | 53° | 62° | 0.05" | — |
| 1991 | 70° | 40° | 55° | — | — |
| 1990 | 75° | 51° | 63° | — | — |
| 1989 | 76° | 44° | 60° | — | — |
| 1988 | 89° | 56° | 72° | — | — |
| 1987 | 60° | 56° | 58° | 1.91" | — |
| 1986 | 77° | 55° | 66° | — | — |
| 1985 | 78° | 55° | 67° | — | — |
| 1984 | 69° | 56° | 62° | — | — |
| 1983 | 75° | 63° | 69° | — | — |
| 1982 | 75° | 48° | 62° | — | — |
| 1981 | 80° | 47° | 63° | — | — |
| 1980 | 86° | 52° | 69° | — | — |
| 1979 | 75° | 42° | 59° | — | — |
| 1978 | 60° | 50° | 55° | — | — |
| 1977 | 76° | 44° | 60° | — | — |
| 1976 | 88° | 44° | 66° | — | — |
| 1975 | 79° | 44° | 61° | 0.53" | — |
| 1974 | 65° | 48° | 56° | — | — |
| 1973 | 90° | 50° | 70° | — | — |
| 1972 | 71° | 45° | 58° | — | — |
| 1971 | 69° | 33° | 51° | — | — |
San Bernardino, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Bernardino, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Bernardino, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Bernardino, CA
San Bernardino, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.