Weather on December 28
Mission Viejo, CA
55 Years of Data
Avg High
66°F
Avg Low
47°F
Warmest
2017
70°F avg
Coldest
1988
43°F avg
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.
Warming Trend
0.4°F per decade on this date
| 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" | — |
55 years of data from EL TORO MCAS