Weather on June 13
Rancho Cucamonga, CA
55 Years of Data
Avg High
85°F
Avg Low
57°F
Warmest
1979
84°F avg
Coldest
1977
63°F avg
About This Date
June 13th in Rancho Cucamonga, CA typically brings warm summer weather, with average highs around 85°F and lows near 57°F — a 28°F daily swing. Over 42 years of records, the warmest June 13th was in 1979 (84°F average), while the coldest was 1977 (63°F) — a 21°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 June 13th in Rancho Cucamonga, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 60° | 74° | — | — |
| 2024 | 86° | 58° | 72° | — | — |
| 2023 | 74° | 57° | 65° | — | — |
| 2022 | 82° | 61° | 71° | — | — |
| 2021 | 97° | 62° | 79° | — | — |
| 2020 | 83° | 57° | 70° | — | — |
| 2019 | 85° | 64° | 74° | — | — |
| 2018 | 95° | 63° | 79° | — | — |
| 2017 | 87° | 56° | 71° | — | — |
| 2016 | 75° | 57° | 66° | — | — |
| 2015 | 80° | 61° | 70° | — | — |
| 2014 | 86° | 58° | 72° | — | — |
| 2013 | 87° | 61° | 74° | — | — |
| 2012 | 86° | 59° | 73° | — | — |
| 2011 | 81° | 55° | 68° | — | — |
| 2010 | 84° | 55° | 70° | — | — |
| 2009 | 72° | 59° | 65° | — | — |
| 2008 | 91° | 58° | 74° | — | — |
| 2007 | 98° | 60° | 79° | — | — |
| 2006 | 83° | 58° | 70° | — | — |
| 2005 | 92° | 57° | 74° | — | — |
| 2004 | 88° | 59° | 73° | — | — |
| 2003 | 80° | 58° | 69° | — | — |
| 2002 | 86° | 56° | 71° | — | — |
| 2001 | 79° | 60° | 69° | — | — |
| 2000 | 94° | 62° | 78° | — | — |
| 1999 | 92° | 57° | 74° | — | — |
| 1998 | 78° | 51° | 65° | — | — |
| 1984 | 86° | 53° | 70° | — | — |
| 1983 | 97° | 51° | 74° | — | — |
| 1982 | 72° | 57° | 64° | — | — |
| 1981 | 88° | 54° | 71° | — | — |
| 1980 | 84° | 46° | 65° | — | — |
| 1979warmest | 99° | 69° | 84° | — | — |
| 1978 | 96° | 61° | 78° | — | — |
| 1977coldest | 78° | 49° | 63° | — | — |
| 1976 | 85° | 50° | 67° | — | — |
| 1975 | 82° | 50° | 66° | — | — |
| 1974 | 87° | 50° | 69° | — | — |
| 1973 | 75° | 55° | 65° | — | — |
| 1972 | 85° | 52° | 68° | — | — |
| 1971 | 87° | 51° | 69° | — | — |
42 years of data from ONTARIO INTL AP