Weather on May 27
Fullerton, CA
55 Years of Data
Avg High
76°F
Avg Low
57°F
Warmest
2014
75°F avg
Coldest
1980
56°F avg
About This Date
May 27th in Fullerton, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 57°F. Over 54 years of records, the warmest May 27th was in 2014 (75°F average), while the coldest was 1980 (56°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 6% of May 27th dates historically. 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 27th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 62° | 70° | — | — |
| 2024 | 73° | 57° | 65° | — | — |
| 2023 | 72° | 58° | 65° | — | — |
| 2022 | 79° | 62° | 70° | — | — |
| 2021 | 78° | 60° | 69° | — | — |
| 2020 | 84° | 61° | 72° | — | — |
| 2019 | 69° | 53° | 61° | 0.2" | — |
| 2018 | 76° | 59° | 67° | — | — |
| 2017 | 77° | 58° | 67° | — | — |
| 2016 | 76° | 59° | 67° | — | — |
| 2015 | 76° | 59° | 67° | — | — |
| 2014warmest | 85° | 65° | 75° | — | — |
| 2013 | 75° | 61° | 68° | — | — |
| 2012 | 77° | 52° | 64° | — | — |
| 2011 | 78° | 59° | 69° | — | — |
| 2010 | 73° | 59° | 66° | — | — |
| 2009 | 78° | 61° | 69° | — | — |
| 2008 | 75° | 52° | 63° | — | — |
| 2007 | 76° | 60° | 68° | — | — |
| 2006 | 74° | 61° | 67° | — | — |
| 2005 | 74° | 61° | 67° | — | — |
| 2004 | 73° | 56° | 64° | — | — |
| 2003 | 87° | 59° | 73° | — | — |
| 2002 | 74° | 57° | 65° | — | — |
| 2001 | 69° | 60° | 65° | — | — |
| 2000 | 90° | 58° | 74° | — | — |
| 1999 | 76° | 59° | 67° | — | — |
| 1998 | 69° | 50° | 60° | — | — |
| 1997 | 88° | 60° | 74° | — | — |
| 1996 | 72° | 58° | 65° | — | — |
| 1995 | 72° | 58° | 65° | — | — |
| 1994 | 77° | 55° | 66° | — | — |
| 1993 | 76° | 57° | 66° | — | — |
| 1992 | 76° | 61° | 68° | — | — |
| 1991 | 71° | 58° | 64° | — | — |
| 1990 | 72° | 52° | 62° | — | — |
| 1989 | 74° | 59° | 66° | — | — |
| 1988 | 72° | 54° | 63° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 76° | 60° | 68° | — | — |
| 1985 | 71° | 59° | 65° | — | — |
| 1983 | 81° | 62° | 71° | — | — |
| 1982 | 65° | 56° | 60° | — | — |
| 1981 | 79° | 50° | 64° | 0.18" | — |
| 1980coldest | 68° | 45° | 56° | — | — |
| 1979 | 71° | 56° | 63° | 0.08" | — |
| 1978 | 84° | 49° | 66° | — | — |
| 1977 | 75° | 51° | 63° | — | — |
| 1976 | 76° | 56° | 66° | — | — |
| 1975 | 71° | 56° | 63° | — | — |
| 1974 | 88° | 52° | 70° | — | — |
| 1973 | 93° | 49° | 71° | — | — |
| 1972 | 92° | 48° | 70° | — | — |
| 1971 | 66° | 50° | 58° | — | — |
54 years of data from ANAHEIM