Weather on May 21
Corona, CA
55 Years of Data
Avg High
80°F
Avg Low
53°F
Warmest
2000
81°F avg
Coldest
1972
55°F avg
About This Date
May 21st in Corona, CA typically brings warm spring weather, with average highs around 80°F and lows near 53°F — a 27°F daily swing. Over 45 years of records, the warmest May 21st was in 2000 (81°F average), while the coldest was 1972 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 21st dates historically. The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.0°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 51° | 72° | — | — |
| 2024 | 75° | 54° | 64° | — | — |
| 2023 | 83° | 59° | 71° | — | — |
| 2022 | 73° | 58° | 65° | — | — |
| 2021 | 73° | 44° | 59° | — | — |
| 2020 | 87° | 49° | 68° | — | — |
| 2019 | 68° | 47° | 57° | — | — |
| 2018 | 67° | 58° | 62° | — | — |
| 2017 | 93° | 49° | 71° | — | — |
| 2016 | 70° | 47° | 58° | — | — |
| 2015 | 70° | 56° | 63° | — | — |
| 2014 | 74° | 46° | 60° | — | — |
| 2013 | 87° | 52° | 69° | — | — |
| 2012 | 94° | 60° | 77° | — | — |
| 2011 | 82° | 53° | 68° | — | — |
| 2010 | 78° | 55° | 67° | — | — |
| 2009 | 84° | 55° | 70° | — | — |
| 2008 | 79° | 60° | 69° | — | — |
| 2007 | 65° | 56° | 60° | — | — |
| 2006 | 71° | 58° | 64° | — | — |
| 2005 | 93° | 60° | 77° | — | — |
| 2004 | 76° | 57° | 66° | — | — |
| 2003 | 99° | 59° | 79° | — | — |
| 2002 | 70° | 48° | 59° | — | — |
| 2001 | 82° | 60° | 71° | — | — |
| 2000warmest | 104° | 57° | 81° | — | — |
| 1999 | 70° | 55° | 62° | — | — |
| 1988 | 97° | 54° | 75° | — | — |
| 1987 | 74° | 51° | 62° | — | — |
| 1986 | 79° | 54° | 66° | — | — |
| 1985 | 82° | 53° | 68° | — | — |
| 1984 | 80° | 55° | 68° | — | — |
| 1983 | 90° | 54° | 72° | — | — |
| 1982 | 74° | 56° | 65° | — | — |
| 1981 | 76° | 43° | 59° | — | — |
| 1980 | 72° | 54° | 63° | 0.08" | — |
| 1979 | 75° | 57° | 66° | — | — |
| 1978 | 82° | 51° | 67° | — | — |
| 1977 | 83° | 48° | 65° | — | — |
| 1976 | 78° | 47° | 62° | — | — |
| 1975 | 71° | 40° | 55° | — | — |
| 1974 | 87° | 47° | 67° | — | — |
| 1973 | 75° | 54° | 64° | — | — |
| 1972coldest | 71° | 40° | 55° | — | — |
| 1971 | 77° | 52° | 64° | — | — |
45 years of data from CORONA CALIFORNIA