Weather on January 1
Mission Viejo, CA
55 Years of Data
Avg High
66°F
Avg Low
47°F
Warmest
2012
74°F avg
Coldest
1974
44°F avg
About This Date
January 1st in Mission Viejo, CA typically brings mild winter weather, with average highs around 66°F and lows near 47°F. Over 56 years of records, the warmest January 1st was in 2012 (74°F average), while the coldest was 1974 (44°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 5% of January 1st dates historically, with the wettest January 1st recording 1.14" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for January 1st in Mission Viejo, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 65° | 55° | 60° | — | — |
| 2025 | 66° | 41° | 54° | — | — |
| 2024 | 67° | 50° | 58° | — | — |
| 2023 | 57° | 47° | 52° | — | — |
| 2022 | 62° | 46° | 54° | — | — |
| 2021 | 71° | 50° | 61° | — | — |
| 2020 | 67° | 48° | 57° | — | — |
| 2019 | 56° | 46° | 51° | — | — |
| 2018 | 70° | 50° | 60° | — | — |
| 2017 | 57° | 42° | 50° | — | — |
| 2016 | 65° | 50° | 57° | — | — |
| 2015 | 57° | 37° | 47° | — | — |
| 2014 | 72° | 49° | 60° | — | — |
| 2013 | 59° | 43° | 51° | — | — |
| 2012warmest | 84° | 64° | 74° | — | — |
| 2011 | 59° | 41° | 50° | — | — |
| 2010 | 75° | 52° | 63° | — | — |
| 2009 | 71° | 43° | 57° | — | — |
| 2008 | 75° | 60° | 68° | — | — |
| 2007 | 65° | 45° | 55° | — | — |
| 2006 | 61° | 49° | 55° | — | — |
| 2005 | 63° | 41° | 52° | — | — |
| 2004 | 65° | 45° | 55° | — | — |
| 2003 | 71° | 45° | 58° | — | — |
| 2002 | 66° | 46° | 56° | — | — |
| 2001 | 78° | 51° | 65° | — | — |
| 2000 | 55° | 46° | 51° | — | — |
| 1999 | 71° | 44° | 58° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 70° | 55° | 62° | 0.36" | — |
| 1996 | 75° | 59° | 67° | — | — |
| 1995 | 65° | 47° | 56° | — | — |
| 1994 | 70° | 48° | 59° | — | — |
| 1993 | 60° | 46° | 53° | — | — |
| 1992 | 69° | 44° | 57° | — | — |
| 1991 | 71° | 47° | 59° | — | — |
| 1990 | 61° | 45° | 53° | — | — |
| 1989 | 60° | 43° | 51° | — | — |
| 1988 | 66° | 42° | 54° | — | — |
| 1987 | 63° | 45° | 54° | — | — |
| 1986 | 65° | 53° | 59° | — | — |
| 1985 | 74° | 50° | 62° | — | — |
| 1984 | 74° | 55° | 64° | — | — |
| 1983 | 65° | 38° | 51° | — | — |
| 1982 | 61° | 49° | 55° | 1.14" | — |
| 1981 | 78° | 53° | 66° | — | — |
| 1980 | 73° | — | — | — | — |
| 1979 | 64° | 44° | 54° | — | — |
| 1978 | 66° | 48° | 57° | — | — |
| 1977 | 64° | 47° | 55° | — | — |
| 1976 | 58° | 37° | 47° | — | — |
| 1975 | 63° | 44° | 53° | — | — |
| 1974coldest | 52° | 36° | 44° | 0.36" | — |
| 1973 | 60° | 51° | 56° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 68° | 45° | 56° | — | — |
56 years of data from EL TORO MCAS