Weather on May 4
San Bernardino, CA
55 Years of Data
Avg High
79°F
Avg Low
52°F
Warmest
2004
81°F avg
Coldest
1971
55°F avg
About This Date
May 4th in San Bernardino, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 52°F — a 27°F daily swing. Over 48 years of records, the warmest May 4th was in 2004 (81°F average), while the coldest was 1971 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 4th dates historically, with the wettest May 4th recording 0.64" of rain.
Planning for May 4th in San Bernardino, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 50° | 58° | — | — |
| 2017 | 93° | 62° | 78° | — | — |
| 2016 | 78° | 53° | 66° | — | — |
| 2015 | 72° | 53° | 62° | — | — |
| 2014 | 87° | 56° | 71° | — | — |
| 2013 | 86° | 52° | 69° | — | — |
| 2012 | 75° | 52° | 63° | — | — |
| 2011 | 98° | 52° | 75° | — | — |
| 2010 | 86° | 50° | 68° | — | — |
| 2009 | 81° | 52° | 66° | — | — |
| 2008 | 80° | 47° | 63° | — | — |
| 2007 | 65° | 45° | 55° | — | — |
| 2006 | 65° | 50° | 57° | — | — |
| 2005 | 80° | 51° | 66° | — | — |
| 2004warmest | 100° | 63° | 81° | — | — |
| 2003 | 63° | 52° | 57° | 0.18" | — |
| 2002 | 81° | 47° | 64° | — | — |
| 2001 | 83° | 47° | 65° | — | — |
| 2000 | 86° | 56° | 71° | — | — |
| 1999 | 68° | 51° | 60° | — | — |
| 1998 | 71° | 55° | 63° | 0.56" | — |
| 1997 | 90° | 56° | 73° | — | — |
| 1996 | 84° | 55° | 70° | — | — |
| 1995 | 66° | 52° | 59° | — | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 71° | 57° | 64° | — | — |
| 1992 | 84° | 54° | 69° | — | — |
| 1991 | 82° | 49° | 65° | — | — |
| 1990 | 92° | 53° | 72° | — | — |
| 1989 | 91° | 55° | 73° | — | — |
| 1988 | 80° | 49° | 64° | — | — |
| 1987 | 95° | 55° | 75° | — | — |
| 1986 | 71° | 49° | 60° | — | — |
| 1985 | 80° | 54° | 67° | — | — |
| 1984 | 88° | 55° | 71° | — | — |
| 1983 | 76° | 48° | 62° | — | — |
| 1982 | 71° | 57° | 64° | 0.64" | — |
| 1981 | 77° | 52° | 64° | — | — |
| 1980 | 88° | 55° | 71° | — | — |
| 1979 | 87° | 50° | 69° | — | — |
| 1978 | 73° | 53° | 63° | — | — |
| 1977 | 76° | 55° | 65° | — | — |
| 1976 | 77° | 50° | 64° | — | — |
| 1975 | 72° | 53° | 62° | — | — |
| 1974 | 66° | 53° | 60° | — | — |
| 1973 | 80° | 48° | 64° | — | — |
| 1972 | 75° | 49° | 62° | — | — |
| 1971coldest | 62° | 49° | 55° | — | — |
48 years of data from NORTON AFB