Weather on August 17
Corona, CA
55 Years of Data
Avg High
91°F
Avg Low
61°F
Warmest
2012
89°F avg
Coldest
1975
68°F avg
About This Date
August 17th in Corona, CA typically brings hot summer weather, with average highs around 91°F and lows near 61°F — a 30°F daily swing. Over 45 years of records, the warmest August 17th was in 2012 (89°F average), while the coldest was 1975 (68°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 17th dates historically, with the wettest August 17th recording 4.24" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for August 17th in Corona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 58° | 73° | — | — |
| 2024 | 89° | 64° | 77° | — | — |
| 2023 | 96° | 66° | 81° | — | — |
| 2022 | 96° | 66° | 81° | — | — |
| 2021 | 89° | 67° | 78° | — | — |
| 2020 | 96° | 70° | 83° | — | — |
| 2019 | 85° | 58° | 71° | — | — |
| 2018 | 91° | 66° | 79° | — | — |
| 2017 | 86° | 55° | 71° | — | — |
| 2016 | 97° | 50° | 73° | — | — |
| 2015 | 90° | 63° | 76° | — | — |
| 2014 | 96° | 57° | 77° | — | — |
| 2013 | 94° | 58° | 76° | — | — |
| 2012warmest | 100° | 79° | 89° | — | — |
| 2011 | 96° | 61° | 78° | — | — |
| 2010 | 100° | 69° | 85° | — | — |
| 2009 | 88° | 58° | 73° | — | — |
| 2008 | 92° | 62° | 77° | — | — |
| 2007 | 97° | 70° | 83° | — | — |
| 2006 | 92° | 56° | 74° | — | — |
| 2005 | 87° | 60° | 74° | — | — |
| 2004 | 90° | 64° | 77° | — | — |
| 2003 | 100° | 68° | 84° | — | — |
| 2002 | 84° | 62° | 73° | — | — |
| 2001 | 99° | 65° | 82° | — | — |
| 2000 | 97° | 68° | 82° | — | — |
| 1999 | 98° | 61° | 79° | — | — |
| 1998 | 86° | 64° | 75° | — | — |
| 1987 | 84° | 53° | 69° | — | — |
| 1986 | 98° | 55° | 77° | — | — |
| 1985 | 84° | 60° | 72° | — | — |
| 1984 | 96° | 67° | 81° | — | — |
| 1983 | 94° | 72° | 83° | 0.36" | — |
| 1982 | 92° | 56° | 74° | — | — |
| 1981 | 90° | 62° | 76° | — | — |
| 1980 | 87° | 59° | 73° | — | — |
| 1979 | 88° | 59° | 73° | — | — |
| 1978 | 86° | 52° | 69° | — | — |
| 1977 | 78° | 60° | 69° | 4.24" | — |
| 1976 | 82° | 59° | 71° | — | — |
| 1975coldest | 82° | 53° | 68° | — | — |
| 1974 | 92° | 51° | 71° | — | — |
| 1973 | 92° | 60° | 76° | — | — |
| 1972 | 86° | 54° | 70° | — | — |
| 1971 | 92° | 63° | 77° | — | — |
45 years of data from CORONA CALIFORNIA