Weather on June 22
Rancho Cucamonga, CA
55 Years of Data
Avg High
89°F
Avg Low
59°F
Warmest
2008
88°F avg
Coldest
2003
62°F avg
About This Date
June 22nd in Rancho Cucamonga, CA typically brings warm summer weather, with average highs around 89°F and lows near 59°F — a 30°F daily swing. Over 42 years of records, the warmest June 22nd was in 2008 (88°F average), while the coldest was 2003 (62°F) — a 26°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.3°F warmer on this date compared to 20-30 years ago.
Planning for June 22nd in Rancho Cucamonga, 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 | 85° | 58° | 71° | — | — |
| 2024 | 102° | 65° | 83° | — | — |
| 2023 | 78° | 55° | 67° | — | — |
| 2022 | 96° | 69° | 83° | — | — |
| 2021 | 93° | 61° | 77° | — | — |
| 2020 | 91° | 60° | 76° | — | — |
| 2019 | 84° | 64° | 74° | — | — |
| 2018 | 94° | 63° | 78° | — | — |
| 2017 | 91° | 63° | 77° | — | — |
| 2016 | 95° | 66° | 81° | — | — |
| 2015 | 94° | 64° | 79° | — | — |
| 2014 | 88° | 60° | 74° | — | — |
| 2013 | 85° | 60° | 72° | — | — |
| 2012 | 85° | 58° | 71° | — | — |
| 2011 | 92° | 61° | 76° | — | — |
| 2010 | 84° | 55° | 70° | — | — |
| 2009 | 84° | 56° | 70° | — | — |
| 2008warmest | 103° | 74° | 88° | — | — |
| 2007 | 95° | 63° | 79° | — | — |
| 2006 | 93° | 60° | 77° | — | — |
| 2005 | 94° | 63° | 78° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003coldest | 67° | 58° | 62° | — | — |
| 2002 | 86° | 58° | 72° | — | — |
| 2001 | 97° | 65° | 81° | — | — |
| 2000 | 89° | 61° | 75° | — | — |
| 1999 | 87° | 57° | 72° | — | — |
| 1998 | 83° | 55° | 69° | — | — |
| 1984 | 91° | 51° | 71° | — | — |
| 1983 | 87° | 52° | 69° | — | — |
| 1982 | 71° | 57° | 64° | — | — |
| 1981 | 97° | 62° | 79° | — | — |
| 1980 | 89° | 52° | 70° | — | — |
| 1979 | 86° | 51° | 69° | — | — |
| 1978 | 95° | 59° | 77° | — | — |
| 1977 | 85° | 52° | 68° | — | — |
| 1976 | 87° | 49° | 68° | — | — |
| 1975 | 84° | 49° | 66° | — | — |
| 1974 | 91° | 52° | 71° | — | — |
| 1973 | 104° | 64° | 84° | — | — |
| 1972 | 79° | 56° | 67° | — | — |
| 1971 | 90° | 56° | 73° | — | — |
42 years of data from ONTARIO INTL AP