Weather on May 26
Fullerton, CA
55 Years of Data
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.
| 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° | — | — |
Fullerton, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fullerton, CA Monthly Precipitation
Average rainfall per month, in inches.
Fullerton, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Fullerton, CA
Fullerton, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.