Weather on August 20
Corona, CA
55 Years of Data
Avg High
91°F
Avg Low
62°F
Warmest
2009
87°F avg
Coldest
1975
68°F avg
About This Date
August 20th in Corona, CA typically brings hot summer weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 45 years of records, the warmest August 20th was in 2009 (87°F average), while the coldest was 1975 (68°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 20th dates historically. 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 August 20th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 57° | 77° | — | — |
| 2024 | 102° | 53° | 78° | — | — |
| 2023 | 77° | 68° | 73° | 0.08" | — |
| 2022 | 87° | 64° | 76° | — | — |
| 2021 | 83° | 61° | 72° | — | — |
| 2020 | 99° | 68° | 83° | — | — |
| 2019 | 92° | 55° | 73° | — | — |
| 2018 | 91° | 65° | 78° | — | — |
| 2017 | 87° | 57° | 72° | — | — |
| 2016 | 90° | 55° | 72° | — | — |
| 2015 | 87° | 62° | 75° | — | — |
| 2014 | 89° | 58° | 73° | — | — |
| 2013 | 90° | 61° | 75° | — | — |
| 2012 | 98° | 72° | 85° | — | — |
| 2011 | 86° | 61° | 73° | — | — |
| 2010 | 99° | 66° | 82° | — | — |
| 2009warmest | 90° | 85° | 87° | — | — |
| 2008 | 89° | 60° | 75° | — | — |
| 2007 | 101° | 66° | 83° | — | — |
| 2006 | 91° | 58° | 74° | — | — |
| 2005 | 92° | 61° | 76° | — | — |
| 2004 | 86° | 61° | 73° | — | — |
| 2003 | 98° | 67° | 82° | — | — |
| 2002 | 81° | 63° | 72° | — | — |
| 2001 | 91° | 64° | 78° | — | — |
| 2000 | 91° | 57° | 74° | — | — |
| 1999 | 96° | 63° | 79° | — | — |
| 1998 | 93° | 57° | 75° | — | — |
| 1987 | 89° | 58° | 73° | — | — |
| 1986 | 103° | 66° | 84° | — | — |
| 1985 | 87° | 55° | 71° | — | — |
| 1984 | 89° | 66° | 78° | — | — |
| 1983 | 84° | 66° | 75° | — | — |
| 1982 | 101° | 64° | 82° | — | — |
| 1981 | 100° | 64° | 82° | — | — |
| 1980 | 87° | 53° | 70° | — | — |
| 1979 | 84° | 63° | 73° | — | — |
| 1978 | 93° | 53° | 73° | — | — |
| 1977 | 93° | 67° | 80° | — | — |
| 1976 | 87° | 59° | 73° | — | — |
| 1975coldest | 83° | 53° | 68° | — | — |
| 1974 | 84° | 56° | 70° | — | — |
| 1973 | 98° | 69° | 84° | — | — |
| 1972 | 89° | 53° | 71° | — | — |
| 1971 | 90° | 60° | 75° | — | — |
45 years of data from CORONA CALIFORNIA