Weather on January 17
Mission Viejo, CA
55 Years of Data
Avg High
69°F
Avg Low
50°F
Warmest
2005
75°F avg
Coldest
1987
48°F avg
About This Date
January 17th in Mission Viejo, CA typically brings mild winter weather, with average highs around 69°F and lows near 50°F. Over 56 years of records, the warmest January 17th was in 2005 (75°F average), while the coldest was 1987 (48°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 9% of January 17th dates historically, with the wettest January 17th recording 3.23" of rain. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for January 17th in Mission Viejo, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 65° | 73° | — | — |
| 2025 | 61° | 45° | 53° | — | — |
| 2024 | 61° | 47° | 54° | — | — |
| 2023 | 58° | 43° | 50° | — | — |
| 2022 | 64° | 54° | 59° | — | — |
| 2021 | 86° | 61° | 73° | — | — |
| 2020 | 60° | 47° | 53° | — | — |
| 2019 | 59° | 54° | 56° | — | — |
| 2018 | 78° | 57° | 68° | — | — |
| 2017 | 64° | 49° | 56° | — | — |
| 2016 | 70° | 51° | 60° | — | — |
| 2015 | 76° | 56° | 66° | — | — |
| 2014 | 86° | 65° | 75° | — | — |
| 2013 | 77° | 58° | 67° | — | — |
| 2012 | 59° | 42° | 51° | — | — |
| 2011 | 85° | 61° | 73° | — | — |
| 2010 | 66° | 48° | 57° | — | — |
| 2009 | 79° | 62° | 70° | — | — |
| 2008 | 66° | 46° | 56° | — | — |
| 2007 | 61° | 40° | 50° | — | — |
| 2006 | 71° | 49° | 60° | — | — |
| 2005warmest | 86° | 65° | 75° | — | — |
| 2004 | 66° | 47° | 56° | — | — |
| 2003 | 82° | 60° | 71° | — | — |
| 2002 | 63° | 60° | 61° | — | — |
| 2001 | 64° | 44° | 54° | — | — |
| 2000 | 78° | 59° | 69° | — | — |
| 1999 | 70° | 50° | 60° | — | — |
| 1998 | 68° | 50° | 59° | — | — |
| 1997 | 72° | 46° | 59° | — | — |
| 1996 | 67° | 51° | 59° | — | — |
| 1995 | 61° | 40° | 50° | — | — |
| 1994 | 82° | 49° | 65° | — | — |
| 1993 | 61° | 58° | 59° | 1.47" | — |
| 1992 | 68° | 46° | 57° | — | — |
| 1991 | 74° | 58° | 66° | — | — |
| 1990 | 55° | 43° | 49° | 0.56" | — |
| 1989 | 71° | 46° | 59° | — | — |
| 1988 | 54° | 43° | 48° | 3.23" | — |
| 1987coldest | 59° | 37° | 48° | — | — |
| 1986 | 71° | 50° | 61° | — | — |
| 1985 | 70° | 45° | 57° | — | — |
| 1984 | 63° | 40° | 51° | — | — |
| 1983 | 66° | 47° | 56° | — | — |
| 1982 | 62° | 39° | 51° | — | — |
| 1981 | 69° | 48° | 59° | — | — |
| 1980 | 63° | 52° | 57° | — | — |
| 1979 | 61° | 50° | 55° | 0.05" | — |
| 1978 | 62° | 51° | 57° | — | — |
| 1977 | 82° | 53° | 68° | — | — |
| 1976 | 86° | 57° | 72° | — | — |
| 1975 | 80° | 34° | 57° | — | — |
| 1974 | 59° | 54° | 56° | 0.33" | — |
| 1973 | 60° | 45° | 52° | — | — |
| 1972 | 64° | 40° | 52° | — | — |
| 1971 | 85° | 53° | 69° | — | — |
56 years of data from EL TORO MCAS