Weather on July 20
Mission Viejo, CA
55 Years of Data
About This Date
July 20th in Mission Viejo, CA typically brings warm summer weather, with average highs around 84°F and lows near 62°F. Over 55 years of records, the warmest July 20th was in 1998 (83°F average), while the coldest was 1987 (64°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 20th dates historically. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 63° | 70° | — | — |
| 2024 | 91° | 63° | 77° | — | — |
| 2023 | 92° | 64° | 78° | — | — |
| 2022 | 88° | 65° | 76° | — | — |
| 2021 | 95° | 64° | 80° | — | — |
| 2020 | 79° | 58° | 68° | — | — |
| 2019 | 80° | 61° | 70° | — | — |
| 2018 | 82° | 65° | 73° | — | — |
| 2017 | 85° | 63° | 74° | — | — |
| 2016 | 99° | 63° | 81° | — | — |
| 2015 | 82° | 68° | 75° | — | — |
| 2014 | 79° | 62° | 70° | — | — |
| 2013 | 74° | 62° | 68° | — | — |
| 2012 | 87° | 62° | 75° | — | — |
| 2011 | 83° | 56° | 69° | — | — |
| 2010 | 78° | 59° | 69° | — | — |
| 2009 | 93° | 63° | 78° | — | — |
| 2008 | 78° | 59° | 69° | — | — |
| 2007 | 80° | 55° | 68° | — | — |
| 2006 | 88° | 66° | 77° | — | — |
| 2005 | 100° | 67° | 83° | — | — |
| 2004 | 92° | 62° | 77° | — | — |
| 2003 | 91° | 62° | 77° | — | — |
| 2002 | 77° | 59° | 68° | — | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 88° | 57° | 72° | — | — |
| 1999 | 85° | 58° | 71° | — | — |
| 1998warmest | 93° | 73° | 83° | — | — |
| 1997 | 74° | 60° | 67° | — | — |
| 1996 | 81° | 57° | 69° | — | — |
| 1995 | 81° | 56° | 68° | — | — |
| 1994 | 81° | 61° | 71° | — | — |
| 1993 | 78° | 61° | 69° | — | — |
| 1992 | 89° | 67° | 78° | — | — |
| 1991 | 73° | 62° | 68° | — | — |
| 1990 | 87° | 67° | 77° | — | — |
| 1989 | 85° | 66° | 75° | — | — |
| 1988 | 87° | 63° | 75° | — | — |
| 1987coldest | 72° | 57° | 64° | 0.36" | — |
| 1986 | 82° | 58° | 70° | — | — |
| 1985 | 87° | 67° | 77° | — | — |
| 1984 | 82° | 68° | 75° | — | — |
| 1983 | 93° | 61° | 77° | — | — |
| 1982 | 93° | 61° | 77° | — | — |
| 1981 | 89° | 59° | 74° | — | — |
| 1980 | 79° | 60° | 69° | — | — |
| 1979 | 80° | 66° | 73° | — | — |
| 1978 | 80° | 60° | 70° | — | — |
| 1977 | 78° | 63° | 70° | — | — |
| 1976 | 80° | 65° | 72° | — | — |
| 1975 | 79° | 62° | 70° | — | — |
| 1974 | 90° | 64° | 77° | — | — |
| 1973 | 78° | 56° | 67° | — | — |
| 1972 | 75° | 63° | 69° | — | — |
| 1971 | 84° | 64° | 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.