Weather on August 12
Mission Viejo, CA
55 Years of Data
Avg High
85°F
Avg Low
63°F
Warmest
1994
86°F avg
Coldest
1988
66°F avg
About This Date
August 12th in Mission Viejo, CA typically brings warm summer weather, with average highs around 85°F and lows near 63°F. Over 55 years of records, the warmest August 12th was in 1994 (86°F average), while the coldest was 1988 (66°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 12th 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 12th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 60° | 71° | — | — |
| 2024 | 89° | 64° | 77° | — | — |
| 2023 | 81° | 62° | 71° | — | — |
| 2022 | 91° | 65° | 78° | — | — |
| 2021 | 91° | 69° | 80° | — | — |
| 2020 | 88° | 61° | 74° | — | — |
| 2019 | 80° | 58° | 69° | — | — |
| 2018 | 86° | 66° | 76° | — | — |
| 2017 | 81° | 63° | 72° | — | — |
| 2016 | 88° | 62° | 75° | — | — |
| 2015 | 94° | 61° | 77° | — | — |
| 2014 | 83° | 63° | 73° | — | — |
| 2013 | 78° | 58° | 68° | — | — |
| 2012 | 99° | 69° | 84° | — | — |
| 2011 | 78° | 60° | 69° | — | — |
| 2010 | 80° | 51° | 66° | — | — |
| 2009 | 86° | 58° | 72° | — | — |
| 2008 | 84° | 61° | 72° | — | — |
| 2007 | 91° | 68° | 80° | — | — |
| 2006 | 85° | 62° | 73° | — | — |
| 2005 | 81° | 62° | 71° | — | — |
| 2004 | 87° | 61° | 74° | — | — |
| 2003 | 100° | 66° | 83° | — | — |
| 2002 | 85° | 58° | 71° | — | — |
| 2001 | 83° | 62° | 72° | — | — |
| 2000 | 97° | 60° | 78° | — | — |
| 1999 | 83° | 57° | 70° | — | — |
| 1998 | 91° | 69° | 80° | — | — |
| 1997 | 76° | 61° | 68° | — | — |
| 1996 | 88° | 64° | 76° | — | — |
| 1995 | 84° | 61° | 72° | — | — |
| 1994warmest | 101° | 72° | 86° | — | — |
| 1993 | 82° | 62° | 72° | — | — |
| 1992 | 89° | 68° | 79° | — | — |
| 1991 | 97° | 69° | 83° | — | — |
| 1990 | 85° | 67° | 76° | — | — |
| 1989 | 85° | 65° | 75° | — | — |
| 1988coldest | 75° | 58° | 66° | — | — |
| 1987 | 77° | 61° | 69° | — | — |
| 1986 | 82° | 63° | 72° | — | — |
| 1985 | 77° | 65° | 71° | — | — |
| 1984 | 84° | 67° | 75° | — | — |
| 1983 | 95° | 66° | 81° | — | — |
| 1982 | 79° | 61° | 70° | — | — |
| 1981 | 82° | 66° | 74° | — | — |
| 1980 | 86° | 69° | 78° | — | — |
| 1979 | 71° | 64° | 68° | — | — |
| 1978 | 79° | 65° | 72° | — | — |
| 1977 | 80° | 64° | 72° | — | — |
| 1976 | 82° | 58° | 70° | — | — |
| 1975 | 79° | 62° | 70° | — | — |
| 1974 | 74° | 64° | 69° | — | — |
| 1973 | 82° | 61° | 71° | — | — |
| 1972 | 79° | 64° | 71° | 0.2" | — |
| 1971 | 86° | 68° | 77° | — | — |
55 years of data from EL TORO MCAS