Weather on March 19
Fullerton, CA
55 Years of Data
Avg High
73°F
Avg Low
50°F
Warmest
2026
77°F avg
Coldest
1979
47°F avg
About This Date
March 19th in Fullerton, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 50°F. Over 56 years of records, the warmest March 19th was in 2026 (77°F average), while the coldest was 1979 (47°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 19th dates historically, with the wettest March 19th recording 2.57" of rain. 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 March 19th in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 93° | 61° | 77° | — | — |
| 2025 | 79° | 48° | 63° | — | — |
| 2024 | 73° | 51° | 62° | — | — |
| 2023 | 65° | 58° | 61° | — | — |
| 2022 | 71° | 55° | 63° | — | — |
| 2021 | 77° | 50° | 64° | — | — |
| 2020 | 63° | 51° | 57° | 0.1" | — |
| 2019 | 77° | 54° | 65° | — | — |
| 2018 | 77° | 48° | 63° | — | — |
| 2017 | 78° | 54° | 66° | — | — |
| 2016 | 76° | 58° | 67° | — | — |
| 2015 | 77° | 59° | 68° | — | — |
| 2014 | 78° | 51° | 65° | — | — |
| 2013 | 72° | 53° | 62° | — | — |
| 2012 | 64° | 44° | 54° | — | — |
| 2011 | 69° | 53° | 61° | — | — |
| 2010 | 80° | 53° | 67° | — | — |
| 2009 | 73° | 54° | 63° | — | — |
| 2008 | 73° | 49° | 61° | — | — |
| 2007 | 73° | 57° | 65° | — | — |
| 2006 | 60° | 43° | 51° | — | — |
| 2005 | 66° | 50° | 58° | 0.28" | — |
| 2004 | 77° | 57° | 67° | — | — |
| 2003 | 70° | 45° | 57° | — | — |
| 2002 | 72° | 40° | 56° | — | — |
| 2001 | 93° | 53° | 73° | — | — |
| 2000 | 78° | 50° | 64° | — | — |
| 1999 | 68° | 44° | 56° | — | — |
| 1998 | 75° | 53° | 64° | — | — |
| 1997 | 97° | 56° | 76° | — | — |
| 1996 | 77° | 54° | 65° | — | — |
| 1995 | 72° | 54° | 63° | — | — |
| 1994 | 73° | 53° | 63° | 1.5" | — |
| 1993 | 79° | 51° | 65° | — | — |
| 1992 | 68° | 48° | 58° | — | — |
| 1991 | 62° | 50° | 56° | 1.04" | — |
| 1990 | 81° | 50° | 65° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 91° | 51° | 71° | — | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 80° | 45° | 62° | — | — |
| 1985 | 70° | 46° | 58° | — | — |
| 1984 | 84° | 56° | 70° | — | — |
| 1983 | 66° | 46° | 56° | 0.58" | — |
| 1982 | 64° | 36° | 50° | 0.15" | — |
| 1981 | 63° | 50° | 56° | 0.15" | — |
| 1980 | 70° | 41° | 55° | — | — |
| 1979coldest | 55° | 39° | 47° | 2.57" | — |
| 1978 | 72° | 50° | 61° | — | — |
| 1977 | 70° | 39° | 54° | — | — |
| 1976 | 68° | 44° | 56° | — | — |
| 1975 | 74° | 45° | 59° | — | — |
| 1974 | 64° | 48° | 56° | — | — |
| 1973 | 65° | 40° | 52° | — | — |
| 1972 | 70° | 48° | 59° | — | — |
| 1971 | 80° | 44° | 62° | — | — |
56 years of data from ANAHEIM