Weather on December 26
San Marcos, CA
55 Years of Data
Avg High
67°F
Avg Low
41°F
Warmest
2022
67°F avg
Coldest
1987
42°F avg
About This Date
December 26th in San Marcos, CA typically brings mild winter weather, with average highs around 67°F and lows near 41°F — a 26°F daily swing. Over 55 years of records, the warmest December 26th was in 2022 (67°F average), while the coldest was 1987 (42°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 26th dates historically, with the wettest December 26th recording 3.35" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for December 26th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 49° | 58° | 0.66" | — |
| 2024 | 70° | 44° | 57° | — | — |
| 2023 | 72° | 47° | 59° | — | — |
| 2022warmest | 85° | 49° | 67° | — | — |
| 2021 | 58° | 44° | 51° | 1.12" | — |
| 2020 | 71° | 43° | 57° | — | — |
| 2019 | 56° | 43° | 49° | 3.35" | — |
| 2018 | 64° | 42° | 53° | — | — |
| 2017 | 72° | 41° | 56° | — | — |
| 2016 | 64° | 37° | 51° | — | — |
| 2015 | 59° | 40° | 49° | — | — |
| 2014 | 63° | 36° | 49° | — | — |
| 2013 | 80° | 44° | 62° | — | — |
| 2012 | 57° | 45° | 51° | 0.13" | — |
| 2011 | 74° | 37° | 55° | — | — |
| 2010 | 61° | 52° | 56° | 0.99" | — |
| 2009 | 59° | 44° | 52° | — | — |
| 2008 | 55° | 43° | 49° | — | — |
| 2007 | 59° | 41° | 50° | — | — |
| 2006 | 74° | 41° | 57° | — | — |
| 2005 | 66° | 52° | 59° | — | — |
| 2004 | 62° | 39° | 51° | — | — |
| 2003 | 59° | 45° | 52° | 1.32" | — |
| 2002 | 65° | 36° | 50° | — | — |
| 2001 | 70° | 35° | 52° | — | — |
| 2000 | 74° | 40° | 57° | — | — |
| 1999 | 74° | 43° | 58° | — | — |
| 1998 | 71° | 38° | 54° | — | — |
| 1997 | 64° | 37° | 51° | — | — |
| 1996 | 66° | 41° | 54° | — | — |
| 1995 | 76° | 37° | 56° | — | — |
| 1994 | 70° | 44° | 57° | — | — |
| 1993 | 69° | 45° | 57° | — | — |
| 1992 | 72° | 36° | 54° | — | — |
| 1991 | 68° | 41° | 55° | — | — |
| 1990 | 73° | 31° | 52° | — | — |
| 1989 | 74° | 51° | 62° | — | — |
| 1988 | 56° | 36° | 46° | 0.64" | — |
| 1987coldest | 58° | 27° | 42° | — | — |
| 1986 | 70° | 38° | 54° | — | — |
| 1985 | 74° | 41° | 57° | — | — |
| 1984 | 62° | 38° | 50° | 0.25" | — |
| 1983 | 66° | 57° | 62° | 0.81" | — |
| 1982 | 65° | 32° | 48° | — | — |
| 1981 | 66° | 35° | 51° | — | — |
| 1980 | 80° | 40° | 60° | — | — |
| 1979 | 62° | 45° | 53° | 0.51" | — |
| 1978 | 67° | 34° | 50° | — | — |
| 1977 | 62° | 56° | 59° | 2.13" | — |
| 1976 | 76° | 41° | 58° | — | — |
| 1975 | 73° | 38° | 55° | — | — |
| 1974 | 61° | 28° | 44° | — | — |
| 1973 | 65° | 36° | 50° | — | — |
| 1972 | 79° | 49° | 64° | — | — |
| 1971 | 58° | 43° | 50° | 1.6" | — |
55 years of data from ESCONDIDO #2