Weather on May 18
Corona, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
2008
86°F avg
Coldest
1974
58°F avg
About This Date
May 18th in Corona, CA typically brings warm spring weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 45 years of records, the warmest May 18th was in 2008 (86°F average), while the coldest was 1974 (58°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for May 18th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 53° | 64° | — | — |
| 2024 | 75° | 52° | 63° | — | — |
| 2023 | 76° | 52° | 64° | — | — |
| 2022 | 80° | 55° | 68° | — | — |
| 2021 | 77° | 56° | 66° | — | — |
| 2020 | 71° | 58° | 64° | — | — |
| 2019 | 75° | 44° | 60° | — | — |
| 2018 | 74° | 49° | 61° | — | — |
| 2017 | 80° | 41° | 61° | — | — |
| 2016 | 80° | 55° | 68° | — | — |
| 2015 | 72° | 51° | 61° | — | — |
| 2014 | 81° | 55° | 68° | — | — |
| 2013 | 77° | 52° | 64° | — | — |
| 2012 | 77° | 59° | 68° | — | — |
| 2011 | 68° | 50° | 59° | — | — |
| 2010 | 74° | 55° | 64° | — | — |
| 2009 | 91° | 60° | 76° | — | — |
| 2008warmest | 102° | 70° | 86° | — | — |
| 2007 | 80° | 55° | 68° | — | — |
| 2006 | 80° | 60° | 70° | — | — |
| 2005 | 81° | 56° | 68° | — | — |
| 2004 | 79° | 59° | 69° | — | — |
| 2003 | 77° | 57° | 67° | — | — |
| 2002 | 77° | 57° | 67° | — | — |
| 2001 | 78° | 60° | 69° | — | — |
| 2000 | 91° | 50° | 71° | — | — |
| 1999 | 86° | 52° | 69° | — | — |
| 1988 | 81° | 49° | 65° | — | — |
| 1987 | 76° | 58° | 67° | — | — |
| 1986 | 96° | 49° | 72° | — | — |
| 1985 | 79° | 45° | 62° | — | — |
| 1984 | 87° | 52° | 69° | — | — |
| 1983 | 92° | 48° | 70° | — | — |
| 1982 | 89° | 53° | 71° | — | — |
| 1981 | 85° | 47° | 66° | — | — |
| 1980 | 84° | 53° | 69° | — | — |
| 1979 | 77° | 52° | 64° | — | — |
| 1978 | 94° | 49° | 71° | — | — |
| 1977 | 75° | 41° | 58° | — | — |
| 1976 | 89° | 47° | 68° | — | — |
| 1975 | 77° | 48° | 63° | — | — |
| 1974coldest | 69° | 46° | 58° | — | — |
| 1973 | 84° | 53° | 69° | — | — |
| 1972 | 71° | 53° | 62° | — | — |
| 1971 | 87° | 58° | 72° | — | — |
45 years of data from CORONA CALIFORNIA