Weather on May 26
Fullerton, CA
55 Years of Data
Avg High
76°F
Avg Low
57°F
Warmest
2020
76°F avg
Coldest
1980
56°F avg
About This Date
May 26th in Fullerton, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 57°F. Over 55 years of records, the warmest May 26th was in 2020 (76°F average), while the coldest was 1980 (56°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for May 26th 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 | 76° | 62° | 69° | — | — |
| 2024 | 73° | 59° | 66° | — | — |
| 2023 | 67° | 58° | 62° | — | — |
| 2022 | 80° | 60° | 70° | — | — |
| 2021 | 87° | 63° | 75° | — | — |
| 2020warmest | 89° | 62° | 76° | — | — |
| 2019 | 70° | 57° | 63° | — | — |
| 2018 | 72° | 58° | 65° | — | — |
| 2017 | 76° | 61° | 68° | — | — |
| 2016 | 75° | 56° | 65° | — | — |
| 2015 | 75° | 59° | 67° | — | — |
| 2014 | 84° | 63° | 73° | — | — |
| 2013 | 75° | 61° | 68° | — | — |
| 2012 | 67° | 54° | 60° | — | — |
| 2011 | 76° | 56° | 66° | — | — |
| 2010 | 72° | 54° | 63° | — | — |
| 2009 | 77° | 61° | 69° | — | — |
| 2008 | 69° | 50° | 60° | — | — |
| 2007 | 78° | 61° | 69° | — | — |
| 2006 | 79° | 62° | 70° | — | — |
| 2005 | 79° | 61° | 70° | — | — |
| 2004 | 72° | 60° | 66° | — | — |
| 2003 | 81° | 60° | 70° | — | — |
| 2002 | 72° | 59° | 65° | — | — |
| 2001 | 74° | 61° | 67° | — | — |
| 2000 | 78° | 60° | 69° | — | — |
| 1999 | 75° | 58° | 66° | — | — |
| 1998 | 67° | 55° | 61° | — | — |
| 1997 | 80° | 59° | 70° | — | — |
| 1996 | 73° | 51° | 62° | — | — |
| 1995 | 72° | 51° | 61° | — | — |
| 1994 | 69° | 60° | 65° | — | — |
| 1993 | 78° | 60° | 69° | — | — |
| 1992 | 74° | 61° | 67° | — | — |
| 1991 | 73° | 57° | 65° | — | — |
| 1990 | 76° | 56° | 66° | — | — |
| 1989 | 75° | 56° | 65° | — | — |
| 1988 | 77° | 57° | 67° | — | — |
| 1987 | 68° | 55° | 62° | — | — |
| 1986 | 75° | 60° | 68° | — | — |
| 1985 | 71° | 59° | 65° | — | — |
| 1984 | 78° | 58° | 68° | — | — |
| 1983 | 77° | 60° | 69° | — | — |
| 1982 | 71° | 57° | 64° | — | — |
| 1981 | 81° | 59° | 70° | — | — |
| 1980coldest | 70° | 43° | 56° | — | — |
| 1979 | 79° | 56° | 67° | — | — |
| 1978 | 74° | 44° | 59° | — | — |
| 1977 | 72° | 46° | 59° | — | — |
| 1976 | 83° | 49° | 66° | — | — |
| 1975 | 77° | 54° | 65° | — | — |
| 1974 | 97° | 53° | 75° | — | — |
| 1973 | 75° | 56° | 65° | — | — |
| 1972 | 76° | 47° | 61° | — | — |
| 1971 | 71° | 55° | 63° | — | — |
55 years of data from ANAHEIM