Weather on May 12
Fullerton, CA
55 Years of Data
Avg High
78°F
Avg Low
56°F
Warmest
2014
79°F avg
Coldest
1977
58°F avg
About This Date
May 12th in Fullerton, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 56°F. Over 55 years of records, the warmest May 12th was in 2014 (79°F average), while the coldest was 1977 (58°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 12th dates historically, with the wettest May 12th recording 5.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 12th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 61° | 66° | — | — |
| 2024 | 75° | 60° | 68° | — | — |
| 2023 | 76° | 56° | 66° | — | — |
| 2022 | 90° | 52° | 71° | — | — |
| 2021 | 80° | 63° | 71° | — | — |
| 2020 | 74° | 58° | 66° | — | — |
| 2019 | 77° | 58° | 67° | — | — |
| 2018 | 68° | 57° | 63° | — | — |
| 2017 | 75° | 55° | 65° | — | — |
| 2016 | 78° | 57° | 68° | — | — |
| 2015 | 79° | 59° | 69° | — | — |
| 2014warmest | 97° | 61° | 79° | — | — |
| 2013 | 93° | 61° | 77° | — | — |
| 2012 | 80° | 60° | 70° | 5.08" | — |
| 2011 | 79° | 55° | 67° | — | — |
| 2010 | 76° | 50° | 63° | — | — |
| 2009 | 77° | 60° | 69° | — | — |
| 2008 | 71° | 58° | 64° | — | — |
| 2007 | 75° | 56° | 65° | — | — |
| 2006 | 77° | 62° | 70° | — | — |
| 2005 | 87° | 54° | 70° | — | — |
| 2004 | 77° | 59° | 68° | — | — |
| 2003 | 83° | 53° | 68° | — | — |
| 2002 | 94° | 55° | 74° | — | — |
| 2001 | 74° | 60° | 67° | — | — |
| 2000 | 83° | 49° | 66° | — | — |
| 1999 | 73° | 56° | 64° | — | — |
| 1998 | 64° | 54° | 59° | 0.41" | — |
| 1997 | 77° | 62° | 70° | — | — |
| 1996 | 89° | 59° | 74° | — | — |
| 1995 | 69° | 56° | 62° | — | — |
| 1994 | 68° | 58° | 63° | — | — |
| 1993 | 72° | 58° | 65° | — | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 77° | 49° | 63° | — | — |
| 1990 | 72° | 56° | 64° | — | — |
| 1989 | 69° | 55° | 62° | — | — |
| 1988 | 86° | 59° | 73° | — | — |
| 1987 | 85° | 64° | 74° | — | — |
| 1986 | 71° | 55° | 63° | — | — |
| 1985 | 69° | 53° | 61° | — | — |
| 1984 | 78° | 57° | 68° | — | — |
| 1983 | 74° | 51° | 62° | — | — |
| 1982 | 74° | 44° | 59° | — | — |
| 1981 | 77° | 57° | 67° | — | — |
| 1980 | 69° | 47° | 58° | — | — |
| 1979 | 99° | 50° | 74° | — | — |
| 1978 | 94° | 50° | 72° | — | — |
| 1977coldest | 64° | 51° | 58° | 0.08" | — |
| 1976 | 87° | 53° | 70° | — | — |
| 1975 | 82° | 49° | 65° | — | — |
| 1974 | 68° | 57° | 63° | — | — |
| 1973 | 68° | 56° | 62° | — | — |
| 1972 | 87° | 49° | 68° | — | — |
| 1971 | 71° | 56° | 63° | — | — |
55 years of data from ANAHEIM