Weather on May 16
Fullerton, CA
55 Years of Data
Avg High
76°F
Avg Low
57°F
Warmest
2008
82°F avg
Coldest
2011
57°F avg
About This Date
May 16th 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 16th was in 2008 (82°F average), while the coldest was 2011 (57°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 16th dates historically, with the wettest May 16th recording 0.97" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for May 16th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 60° | 66° | — | — |
| 2024 | 67° | 58° | 62° | — | — |
| 2023 | 78° | 61° | 69° | — | — |
| 2022 | 88° | 61° | 74° | — | — |
| 2021 | 71° | 58° | 64° | — | — |
| 2020 | 83° | 60° | 71° | — | — |
| 2019 | 68° | 58° | 63° | 0.97" | — |
| 2018 | 75° | 54° | 64° | — | — |
| 2017 | 67° | 56° | 61° | — | — |
| 2016 | 71° | 61° | 66° | — | — |
| 2015 | 70° | 54° | 62° | — | — |
| 2014 | 95° | 66° | 81° | — | — |
| 2013 | 76° | 60° | 68° | — | — |
| 2012 | 83° | 58° | 70° | — | — |
| 2011coldest | 66° | 49° | 57° | — | — |
| 2010 | 74° | 58° | 66° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008warmest | 102° | 62° | 82° | — | — |
| 2007 | 73° | 58° | 65° | — | — |
| 2006 | 80° | 63° | 71° | — | — |
| 2005 | 81° | 61° | 71° | — | — |
| 2004 | 81° | 61° | 71° | — | — |
| 2003 | 81° | 55° | 68° | — | — |
| 2002 | 71° | 58° | 64° | — | — |
| 2001 | 74° | 59° | 66° | — | — |
| 2000 | 76° | 55° | 65° | — | — |
| 1999 | 71° | 55° | 63° | — | — |
| 1998 | 72° | 50° | 61° | — | — |
| 1997 | 86° | 65° | 75° | — | — |
| 1996 | 77° | 62° | 70° | — | — |
| 1995 | 67° | 51° | 59° | — | — |
| 1994 | 68° | 58° | 63° | — | — |
| 1993 | 87° | 62° | 75° | — | — |
| 1992 | 77° | 56° | 66° | — | — |
| 1991 | 81° | 55° | 68° | — | — |
| 1990 | 79° | 51° | 65° | — | — |
| 1989 | 72° | 55° | 63° | — | — |
| 1988 | 75° | 60° | 68° | — | — |
| 1987 | 72° | 61° | 66° | — | — |
| 1986 | 73° | 57° | 65° | — | — |
| 1985 | 72° | 55° | 63° | — | — |
| 1984 | 74° | 52° | 63° | — | — |
| 1983 | 75° | 58° | 66° | — | — |
| 1982 | 87° | 48° | 68° | — | — |
| 1981 | 71° | 54° | 62° | — | — |
| 1980 | 78° | 51° | 65° | — | — |
| 1979 | 72° | 55° | 63° | — | — |
| 1978 | 82° | 50° | 66° | — | — |
| 1977 | 66° | 51° | 59° | — | — |
| 1976 | 77° | 57° | 67° | — | — |
| 1975 | 67° | 54° | 60° | — | — |
| 1974 | 69° | 56° | 62° | — | — |
| 1973 | 77° | 48° | 63° | — | — |
| 1972 | 76° | 52° | 64° | — | — |
| 1971 | 73° | 56° | 64° | — | — |
55 years of data from ANAHEIM