Weather on May 23
San Bernardino, CA
55 Years of Data
Avg High
80°F
Avg Low
54°F
Warmest
2001
83°F avg
Coldest
2008
50°F avg
About This Date
May 23rd in San Bernardino, CA typically brings warm spring weather, with average highs around 80°F and lows near 54°F — a 26°F daily swing. Over 48 years of records, the warmest May 23rd was in 2001 (83°F average), while the coldest was 2008 (50°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 10% of May 23rd dates historically, with the wettest May 23rd recording 1.17" of rain.
Planning for May 23rd in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 59° | 73° | — | — |
| 2017 | 94° | 65° | 79° | — | — |
| 2016 | 68° | 46° | 57° | — | — |
| 2015 | 60° | 51° | 56° | — | — |
| 2014 | 74° | 58° | 66° | — | — |
| 2013 | 78° | 57° | 68° | — | — |
| 2012 | 82° | 58° | 70° | — | — |
| 2011 | 71° | 54° | 62° | 0.05" | — |
| 2010 | 67° | 48° | 57° | — | — |
| 2009 | 84° | 54° | 69° | — | — |
| 2008coldest | 54° | 47° | 50° | 1.17" | — |
| 2007 | 85° | 55° | 70° | — | — |
| 2006 | 81° | 48° | 64° | — | — |
| 2005 | 91° | 58° | 74° | — | — |
| 2004 | 74° | 57° | 65° | — | — |
| 2003 | 88° | 58° | 73° | — | — |
| 2002 | 80° | 46° | 63° | — | — |
| 2001warmest | 103° | 63° | 83° | — | — |
| 2000 | 91° | 59° | 75° | — | — |
| 1999 | 75° | 52° | 63° | — | — |
| 1998 | 68° | 56° | 62° | — | — |
| 1997 | 82° | 60° | 71° | — | — |
| 1996 | 76° | 56° | 66° | — | — |
| 1995 | 58° | 52° | 55° | 0.03" | — |
| 1994 | 84° | 55° | 70° | — | — |
| 1993 | 78° | 57° | 68° | — | — |
| 1992 | 81° | 56° | 68° | — | — |
| 1991 | 83° | 50° | 66° | — | — |
| 1990 | 83° | 56° | 69° | — | — |
| 1989 | 84° | 52° | 68° | — | — |
| 1988 | 88° | 60° | 74° | — | — |
| 1987 | 71° | 49° | 60° | — | — |
| 1986 | 77° | 53° | 65° | — | — |
| 1985 | 92° | 58° | 75° | — | — |
| 1984 | 94° | 58° | 76° | — | — |
| 1983 | 92° | 58° | 75° | — | — |
| 1982 | 86° | 59° | 73° | — | — |
| 1981 | 84° | 54° | 69° | — | — |
| 1980 | 68° | 54° | 61° | — | — |
| 1979 | 93° | 60° | 77° | — | — |
| 1978 | 75° | 55° | 65° | 0.03" | — |
| 1977 | 73° | 55° | 64° | 0.23" | — |
| 1976 | 83° | 49° | 66° | — | — |
| 1975 | 83° | 48° | 65° | — | — |
| 1974 | 84° | 52° | 68° | — | — |
| 1973 | 82° | 50° | 66° | — | — |
| 1972 | 82° | 50° | 66° | — | — |
| 1971 | 81° | 45° | 63° | — | — |
48 years of data from NORTON AFB