Weather on April 1
Fullerton, CA
55 Years of Data
Avg High
73°F
Avg Low
50°F
Warmest
2021
82°F avg
Coldest
2014
32°F avg
About This Date
April 1st 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 April 1st was in 2021 (82°F average), while the coldest was 2014 (32°F) — a 50°F range across recorded history. Rain or other precipitation has occurred on about 18% of April 1st dates historically, with the wettest April 1st recording 3.81" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
Planning for April 1st in Fullerton, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 73° | 60° | 67° | 0.15" | — |
| 2025 | 65° | 52° | 58° | — | — |
| 2024 | 70° | 47° | 58° | — | — |
| 2023 | 75° | 48° | 62° | — | — |
| 2022 | 76° | 57° | 66° | — | — |
| 2021warmest | 96° | 68° | 82° | — | — |
| 2020 | 75° | 54° | 64° | — | — |
| 2019 | 86° | 61° | 73° | 3.81" | — |
| 2018 | 76° | 57° | 66° | — | — |
| 2017 | 77° | 50° | 64° | — | — |
| 2016 | 74° | 50° | 62° | — | — |
| 2015 | 76° | 58° | 67° | — | — |
| 2014coldest | 65° | 0° | 32° | 0.25" | — |
| 2013 | 68° | 55° | 62° | — | — |
| 2012 | 72° | 48° | 60° | 0.23" | — |
| 2011 | 91° | 59° | 75° | — | — |
| 2010 | 65° | 48° | 56° | — | — |
| 2009 | 73° | 51° | 62° | — | — |
| 2008 | 66° | 47° | 56° | — | — |
| 2007 | 80° | 51° | 66° | — | — |
| 2006 | 67° | 53° | 60° | 0.08" | — |
| 2005 | 89° | 65° | 77° | — | — |
| 2004 | 67° | 58° | 62° | — | — |
| 2003 | 84° | 52° | 68° | — | — |
| 2002 | 69° | 52° | 60° | — | — |
| 2001 | 70° | 51° | 60° | — | — |
| 2000 | 85° | 52° | 68° | — | — |
| 1999 | 58° | 45° | 51° | — | — |
| 1998 | 59° | 40° | 49° | 1.83" | — |
| 1997 | 66° | 47° | 56° | — | — |
| 1996 | 71° | 49° | 60° | — | — |
| 1995 | 77° | 50° | 64° | — | — |
| 1994 | 73° | 54° | 63° | — | — |
| 1993 | 71° | 51° | 61° | — | — |
| 1992 | 71° | 51° | 61° | 0.53" | — |
| 1991 | 64° | 50° | 57° | — | — |
| 1990 | 62° | 54° | 58° | — | — |
| 1989 | 79° | 56° | 67° | — | — |
| 1988 | 81° | 48° | 64° | — | — |
| 1987 | 79° | 49° | 64° | — | — |
| 1986 | 69° | 49° | 59° | — | — |
| 1985 | 90° | 51° | 70° | — | — |
| 1984 | 64° | 43° | 53° | — | — |
| 1983 | 82° | 52° | 67° | — | — |
| 1982 | 60° | 46° | 53° | 2.64" | — |
| 1981 | 70° | 46° | 58° | — | — |
| 1980 | 67° | 45° | 56° | — | — |
| 1979 | 71° | 41° | 56° | — | — |
| 1978 | 70° | 48° | 59° | 0.28" | — |
| 1977 | 64° | 44° | 54° | — | — |
| 1976 | 80° | 41° | 61° | — | — |
| 1975 | 65° | 42° | 53° | 0.05" | — |
| 1974 | 65° | 44° | 54° | — | — |
| 1973 | 67° | 44° | 55° | — | — |
| 1972 | 80° | 44° | 62° | — | — |
| 1971 | 85° | 45° | 65° | — | — |
56 years of data from ANAHEIM