Weather on June 21
Mission Viejo, CA
55 Years of Data
About This Date
June 21st in Mission Viejo, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 58°F. Over 55 years of records, the warmest June 21st was in 2008 (87°F average), while the coldest was 2003 (60°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 21st 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 June 21st in Mission Viejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 55° | 63° | — | — |
| 2024 | 81° | 55° | 68° | — | — |
| 2023 | 77° | 54° | 65° | — | — |
| 2022 | 84° | 61° | 72° | — | — |
| 2021 | 81° | 57° | 69° | — | — |
| 2020 | 76° | 61° | 68° | — | — |
| 2019 | 72° | 58° | 65° | — | — |
| 2018 | 80° | 60° | 70° | — | — |
| 2017 | 86° | 57° | 72° | — | — |
| 2016 | 85° | 64° | 74° | — | — |
| 2015 | 81° | 58° | 69° | — | — |
| 2014 | 81° | 56° | 68° | — | — |
| 2013 | 78° | 57° | 68° | — | — |
| 2012 | 77° | 56° | 66° | — | — |
| 2011 | 85° | 56° | 70° | — | — |
| 2010 | 72° | 50° | 61° | — | — |
| 2009 | 75° | 57° | 66° | — | — |
| 2008warmest | 106° | 68° | 87° | — | — |
| 2007 | 85° | 53° | 69° | — | — |
| 2006 | 80° | 57° | 69° | — | — |
| 2005 | 88° | 57° | 72° | — | — |
| 2004 | 74° | 59° | 66° | — | — |
| 2003coldest | 64° | 56° | 60° | — | — |
| 2002 | 75° | 57° | 66° | — | — |
| 2001 | 88° | 60° | 74° | — | — |
| 2000 | 82° | 59° | 71° | — | — |
| 1999 | 76° | 54° | 65° | — | — |
| 1998 | 78° | 60° | 69° | — | — |
| 1997 | 75° | 61° | 68° | — | — |
| 1996 | 72° | 61° | 66° | — | — |
| 1995 | 73° | 54° | 63° | — | — |
| 1994 | 84° | 60° | 72° | — | — |
| 1993 | 76° | 61° | 68° | — | — |
| 1992 | 81° | 60° | 70° | — | — |
| 1991 | 77° | 61° | 69° | — | — |
| 1990 | 79° | 60° | 69° | — | — |
| 1989 | 86° | 60° | 73° | — | — |
| 1988 | 74° | 51° | 62° | — | — |
| 1987 | 71° | 57° | 64° | — | — |
| 1986 | 79° | 58° | 68° | — | — |
| 1985 | 75° | 60° | 68° | — | — |
| 1984 | 78° | 63° | 70° | — | — |
| 1983 | 75° | 60° | 68° | — | — |
| 1982 | 67° | 59° | 63° | 0.08" | — |
| 1981 | 84° | 61° | 72° | — | — |
| 1980 | 78° | 56° | 67° | — | — |
| 1979 | 75° | 57° | 66° | — | — |
| 1978 | 88° | 60° | 74° | — | — |
| 1977 | 73° | 60° | 67° | — | — |
| 1976 | 79° | 57° | 68° | — | — |
| 1975 | 74° | 54° | 64° | — | — |
| 1974 | 80° | 50° | 65° | — | — |
| 1973 | 100° | 67° | 83° | — | — |
| 1972 | 79° | 60° | 69° | — | — |
| 1971 | 88° | 61° | 74° | — | — |
Mission Viejo, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Mission Viejo, CA Monthly Precipitation
Average rainfall per month, in inches.
Mission Viejo, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Mission Viejo, CA
Mission Viejo, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.