Weather on May 16
Fullerton, CA
55 Years of Data
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 56 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 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 16th in Fullerton, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 61° | 67° | — | — |
| 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° | — | — |
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.