Weather on June 20
Mission Viejo, CA
55 Years of Data
Avg High
80°F
Avg Low
58°F
Warmest
2016
88°F avg
Coldest
2003
60°F avg
About This Date
June 20th in Mission Viejo, CA typically brings warm summer weather, with average highs around 80°F and lows near 58°F. Over 55 years of records, the warmest June 20th was in 2016 (88°F average), while the coldest was 2003 (60°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 20th dates historically. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 58° | 67° | — | — |
| 2024 | 79° | 57° | 68° | — | — |
| 2023 | 76° | 55° | 65° | — | — |
| 2022 | 91° | 59° | 75° | — | — |
| 2021 | 76° | 57° | 66° | — | — |
| 2020 | 77° | 61° | 69° | — | — |
| 2019 | 69° | 58° | 63° | — | — |
| 2018 | 79° | 57° | 68° | — | — |
| 2017 | 89° | 58° | 73° | — | — |
| 2016warmest | 110° | 67° | 88° | — | — |
| 2015 | 84° | 56° | 70° | — | — |
| 2014 | 81° | 54° | 67° | — | — |
| 2013 | 79° | 53° | 66° | — | — |
| 2012 | 74° | 55° | 64° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 78° | 56° | 67° | — | — |
| 2009 | 69° | 60° | 65° | — | — |
| 2008 | 106° | 69° | 87° | — | — |
| 2007 | 92° | 52° | 72° | — | — |
| 2006 | 82° | 59° | 71° | — | — |
| 2005 | 86° | 54° | 70° | — | — |
| 2004 | 76° | 59° | 67° | — | — |
| 2003coldest | 64° | 55° | 60° | — | — |
| 2002 | 76° | 59° | 67° | — | — |
| 2001 | 89° | 55° | 72° | — | — |
| 2000 | 80° | 60° | 70° | — | — |
| 1999 | 77° | 54° | 65° | — | — |
| 1998 | 75° | 62° | 69° | — | — |
| 1997 | 76° | 62° | 69° | — | — |
| 1996 | 76° | 61° | 68° | — | — |
| 1995 | 76° | 56° | 66° | — | — |
| 1994 | 80° | 58° | 69° | — | — |
| 1993 | 82° | 64° | 73° | — | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 78° | 60° | 69° | — | — |
| 1990 | 79° | 61° | 70° | — | — |
| 1989 | 90° | 64° | 77° | — | — |
| 1988 | 70° | 56° | 63° | — | — |
| 1987 | 71° | 58° | 64° | — | — |
| 1986 | 79° | 61° | 70° | — | — |
| 1985 | 77° | 57° | 67° | — | — |
| 1984 | 78° | 61° | 69° | — | — |
| 1983 | 77° | 60° | 69° | — | — |
| 1982 | 69° | 61° | 65° | — | — |
| 1981 | 84° | 63° | 73° | — | — |
| 1980 | 79° | 56° | 67° | — | — |
| 1979 | 75° | 56° | 65° | — | — |
| 1978 | 86° | 60° | 73° | — | — |
| 1977 | 74° | 61° | 67° | — | — |
| 1976 | 83° | 59° | 71° | — | — |
| 1975 | 72° | 55° | 63° | — | — |
| 1974 | 81° | 50° | 65° | — | — |
| 1973 | 107° | 60° | 84° | — | — |
| 1972 | 82° | 56° | 69° | 0.13" | — |
| 1971 | 92° | 60° | 76° | — | — |
55 years of data from EL TORO MCAS