Weather on January 1
Mission Viejo, CA
55 Years of Data
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. 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° | 0.14" | — |
| 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° | 0.45" | — |
| 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° | 0.14" | — |
| 1973 | 60° | 51° | 56° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 68° | 45° | 56° | — | — |
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
Most pleasant months in Mission Viejo, CA: January, February, March, April, May, June, October, November, December.
What to expect on January 1st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
January 1st outlook →