Weather on December 28
Mission Viejo, CA
55 Years of Data
About This Date
December 28th in Mission Viejo, CA typically brings mild winter weather, with average highs around 66°F and lows near 47°F. Over 55 years of records, the warmest December 28th was in 2017 (70°F average), while the coldest was 1988 (43°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 28th dates historically, with the wettest December 28th recording 1.98" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for December 28th in Mission Viejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 47° | 59° | — | — |
| 2024 | 65° | 47° | 56° | — | — |
| 2023 | 68° | 47° | 57° | — | — |
| 2022 | 64° | 51° | 58° | — | — |
| 2021 | 51° | 44° | 48° | — | — |
| 2020 | 54° | 45° | 49° | — | — |
| 2019 | 60° | 42° | 51° | — | — |
| 2018 | 58° | 48° | 53° | — | — |
| 2017warmest | 83° | 57° | 70° | — | — |
| 2016 | 77° | 58° | 67° | — | — |
| 2015 | 55° | 40° | 47° | — | — |
| 2014 | 61° | 44° | 52° | — | — |
| 2013 | 74° | 51° | 62° | — | — |
| 2012 | 62° | 43° | 52° | — | — |
| 2011 | 80° | 53° | 67° | — | — |
| 2010 | 66° | 48° | 57° | — | — |
| 2009 | 74° | 49° | 61° | — | — |
| 2008 | 68° | 44° | 56° | — | — |
| 2007 | 59° | 40° | 49° | — | — |
| 2006 | 64° | 41° | 53° | — | — |
| 2005 | 63° | 47° | 55° | — | — |
| 2004 | 60° | 50° | 55° | — | — |
| 2003 | 61° | 41° | 51° | — | — |
| 2002 | 69° | 51° | 60° | — | — |
| 2001 | 71° | 50° | 61° | — | — |
| 2000 | 76° | 56° | 66° | — | — |
| 1999 | 81° | 57° | 69° | — | — |
| 1998 | 77° | 55° | 66° | — | — |
| 1997 | 73° | 47° | 60° | — | — |
| 1996 | 63° | 54° | 58° | 0.2" | — |
| 1995 | 63° | 46° | 54° | — | — |
| 1994 | 60° | 50° | 55° | — | — |
| 1993 | 73° | 48° | 61° | — | — |
| 1992 | 60° | 49° | 54° | 0.46" | — |
| 1991 | 61° | 50° | 55° | 0.33" | — |
| 1990 | 67° | 45° | 56° | — | — |
| 1989 | 60° | 46° | 53° | 0.03" | — |
| 1988coldest | 51° | 35° | 43° | — | — |
| 1987 | 57° | 32° | 45° | — | — |
| 1986 | 72° | 40° | 56° | — | — |
| 1985 | 70° | 44° | 57° | — | — |
| 1984 | 64° | 48° | 56° | — | — |
| 1983 | 67° | 49° | 58° | — | — |
| 1982 | 68° | 48° | 58° | — | — |
| 1981 | 63° | 47° | 55° | — | — |
| 1980 | 71° | 51° | 61° | — | — |
| 1979 | 66° | 43° | 54° | — | — |
| 1978 | 61° | 46° | 53° | — | — |
| 1977 | 64° | 59° | 62° | 1.04" | — |
| 1976 | 71° | 42° | 57° | — | — |
| 1975 | 81° | 47° | 64° | — | — |
| 1974 | 53° | 44° | 49° | 1.98" | — |
| 1973 | 58° | 47° | 52° | — | — |
| 1972 | 59° | 49° | 54° | — | — |
| 1971 | 55° | 41° | 48° | 1.63" | — |
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.