Weather on April 21
Corona, CA
55 Years of Data
Avg High
78°F
Avg Low
47°F
Warmest
2009
81°F avg
Coldest
2001
52°F avg
About This Date
April 21st in Corona, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 47°F — a 31°F daily swing. Over 46 years of records, the warmest April 21st was in 2009 (81°F average), while the coldest was 2001 (52°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 7% of April 21st dates historically, with the wettest April 21st recording 1.12" 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 April 21st in Corona, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 42° | 60° | — | — |
| 2024 | 80° | 48° | 64° | — | — |
| 2023 | 91° | 46° | 69° | — | — |
| 2022 | 72° | 44° | 58° | — | — |
| 2021 | 69° | 55° | 62° | — | — |
| 2020 | 73° | 52° | 62° | — | — |
| 2019 | 71° | 50° | 61° | — | — |
| 2018 | 90° | 40° | 65° | — | — |
| 2017 | 94° | 43° | 68° | — | — |
| 2016 | 84° | 42° | 63° | — | — |
| 2015 | 68° | 49° | 58° | — | — |
| 2014 | 85° | 51° | 68° | — | — |
| 2013 | 85° | 41° | 63° | — | — |
| 2012 | 92° | 57° | 74° | — | — |
| 2011 | 70° | 54° | 62° | — | — |
| 2010 | 61° | 47° | 54° | — | — |
| 2009warmest | 100° | 62° | 81° | — | — |
| 2008 | 73° | 45° | 59° | — | — |
| 2007 | 63° | 42° | 52° | — | — |
| 2006 | 76° | 54° | 65° | — | — |
| 2005 | 85° | 48° | 66° | — | — |
| 2004 | 74° | 50° | 62° | — | — |
| 2003 | 71° | 51° | 61° | — | — |
| 2002 | 84° | 45° | 64° | — | — |
| 2001coldest | 62° | 42° | 52° | 0.58" | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 70° | 53° | 61° | — | — |
| 1998 | 95° | 54° | 74° | — | — |
| 1988 | 66° | 44° | 55° | 0.23" | — |
| 1987 | 95° | 54° | 74° | — | — |
| 1986 | 91° | 42° | 67° | — | — |
| 1985 | 63° | 46° | 54° | — | — |
| 1984 | 85° | 48° | 66° | — | — |
| 1983 | 70° | 50° | 60° | 1.12" | — |
| 1982 | 81° | 47° | 64° | — | — |
| 1981 | 82° | 43° | 62° | — | — |
| 1980 | 71° | 50° | 61° | — | — |
| 1979 | 80° | 42° | 61° | — | — |
| 1978 | 69° | 47° | 58° | — | — |
| 1977 | 84° | 43° | 63° | — | — |
| 1976 | 82° | 46° | 64° | — | — |
| 1975 | 74° | 42° | 58° | — | — |
| 1974 | 84° | 44° | 64° | — | — |
| 1973 | 78° | 40° | 59° | — | — |
| 1972 | 80° | 40° | 60° | — | — |
| 1971 | 63° | 45° | 54° | — | — |
46 years of data from CORONA CALIFORNIA