Weather on December 16
Mission Viejo, CA
55 Years of Data
About This Date
December 16th in Mission Viejo, CA typically brings mild winter weather, with average highs around 69°F and lows near 49°F. Over 55 years of records, the warmest December 16th was in 1998 (75°F average), while the coldest was 1987 (47°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of December 16th dates historically, with the wettest December 16th recording 2.08" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for December 16th in Mission Viejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 48° | 62° | — | — |
| 2024 | 72° | 50° | 61° | — | — |
| 2023 | 81° | 62° | 71° | — | — |
| 2022 | 70° | 49° | 59° | — | — |
| 2021 | 60° | 41° | 51° | — | — |
| 2020 | 73° | 53° | 63° | — | — |
| 2019 | 67° | 48° | 57° | — | — |
| 2018 | 72° | 52° | 62° | — | — |
| 2017 | 66° | 53° | 60° | — | — |
| 2016 | 60° | 48° | 54° | — | — |
| 2015 | 62° | 44° | 53° | — | — |
| 2014 | 59° | 51° | 55° | — | — |
| 2013 | 83° | 64° | 73° | — | — |
| 2012 | 56° | 48° | 52° | — | — |
| 2011 | 66° | 47° | 56° | — | — |
| 2010 | 62° | 47° | 54° | — | — |
| 2009 | 73° | 51° | 62° | — | — |
| 2008 | 58° | 44° | 51° | — | — |
| 2007 | 70° | 47° | 58° | — | — |
| 2006 | 56° | 42° | 49° | — | — |
| 2005 | 62° | 44° | 53° | — | — |
| 2004 | 74° | 63° | 68° | — | — |
| 2003 | 70° | 53° | 61° | — | — |
| 2002 | 63° | 50° | 56° | — | — |
| 2001 | 66° | 44° | 55° | — | — |
| 2000 | 83° | 48° | 65° | — | — |
| 1999 | 80° | 60° | 70° | — | — |
| 1998warmest | 82° | 68° | 75° | — | — |
| 1997 | 72° | 47° | 59° | — | — |
| 1996 | 73° | 48° | 61° | — | — |
| 1995 | 63° | 47° | 55° | — | — |
| 1994 | 68° | 44° | 56° | — | — |
| 1993 | 65° | 44° | 54° | — | — |
| 1992 | 66° | 46° | 56° | — | — |
| 1991 | 76° | 55° | 65° | — | — |
| 1990 | 59° | 43° | 51° | — | — |
| 1989 | 65° | 48° | 56° | — | — |
| 1988 | 54° | 47° | 50° | 1.8" | — |
| 1987coldest | 53° | 41° | 47° | 2.08" | — |
| 1986 | 66° | 46° | 56° | — | — |
| 1985 | 78° | 52° | 65° | — | — |
| 1984 | 58° | 41° | 49° | 1.73" | — |
| 1983 | 61° | 47° | 54° | — | — |
| 1982 | 73° | 46° | 60° | — | — |
| 1981 | 71° | 47° | 59° | — | — |
| 1980 | 85° | 54° | 69° | — | — |
| 1979 | 75° | 46° | 61° | — | — |
| 1978 | 65° | 44° | 54° | 0.53" | — |
| 1977 | 69° | 50° | 60° | — | — |
| 1976 | 84° | 55° | 70° | — | — |
| 1975 | 67° | 41° | 54° | — | — |
| 1974 | 81° | 53° | 67° | — | — |
| 1973 | 72° | 46° | 59° | — | — |
| 1972 | 74° | 51° | 62° | — | — |
| 1971 | 66° | 41° | 54° | — | — |
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.