Weather on December 27
San Marcos, CA
55 Years of Data
Avg High
67°F
Avg Low
41°F
Warmest
1977
65°F avg
Coldest
1971
44°F avg
About This Date
December 27th 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 27th was in 1977 (65°F average), while the coldest was 1971 (44°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 16% of December 27th dates historically, with the wettest December 27th recording 2.46" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 27th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 48° | 56° | — | — |
| 2024 | 64° | 45° | 54° | — | — |
| 2023 | 69° | 48° | 59° | — | — |
| 2022 | 71° | 51° | 61° | — | — |
| 2021 | 56° | 41° | 48° | — | — |
| 2020 | 60° | 45° | 52° | — | — |
| 2019 | 62° | 38° | 50° | 0.3" | — |
| 2018 | 61° | 41° | 51° | — | — |
| 2017 | 78° | 43° | 60° | — | — |
| 2016 | 75° | 40° | 57° | — | — |
| 2015 | 63° | 34° | 48° | — | — |
| 2014 | 63° | 37° | 50° | — | — |
| 2013 | 83° | 42° | 62° | — | — |
| 2012 | 57° | 41° | 49° | — | — |
| 2011 | 70° | 38° | 54° | — | — |
| 2010 | 66° | 42° | 54° | — | — |
| 2009 | 61° | 44° | 52° | 0.03" | — |
| 2008 | 60° | 39° | 50° | — | — |
| 2007 | 58° | 44° | 51° | — | — |
| 2006 | 74° | 42° | 58° | 0.25" | — |
| 2005 | 69° | 44° | 57° | — | — |
| 2004 | 66° | 45° | 55° | — | — |
| 2003 | 58° | 33° | 45° | — | — |
| 2002 | 72° | 38° | 55° | — | — |
| 2001 | 70° | 40° | 55° | — | — |
| 2000 | 77° | 42° | 60° | — | — |
| 1999 | 75° | 44° | 60° | — | — |
| 1998 | 74° | 39° | 56° | — | — |
| 1997 | 68° | 40° | 54° | — | — |
| 1996 | 59° | 49° | 54° | 0.25" | — |
| 1995 | 71° | 37° | 54° | — | — |
| 1994 | 70° | 41° | 55° | — | — |
| 1993 | 68° | 45° | 56° | — | — |
| 1992 | 65° | 43° | 54° | 0.08" | — |
| 1991 | 73° | 43° | 58° | — | — |
| 1990 | 72° | 37° | 54° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 57° | 30° | 44° | — | — |
| 1987 | 60° | 30° | 45° | — | — |
| 1986 | 66° | 37° | 52° | — | — |
| 1985 | 69° | 39° | 54° | — | — |
| 1984 | 58° | 44° | 51° | 2.46" | — |
| 1983 | 62° | 55° | 59° | 0.56" | — |
| 1982 | 65° | 35° | 50° | — | — |
| 1981 | 61° | 37° | 49° | — | — |
| 1980 | 80° | 40° | 60° | — | — |
| 1979 | 65° | 36° | 50° | — | — |
| 1978 | 64° | 34° | 49° | — | — |
| 1977warmest | 72° | 59° | 65° | 0.3" | — |
| 1976 | 68° | 32° | 50° | — | — |
| 1975 | 67° | 40° | 53° | — | — |
| 1974 | 62° | 29° | 45° | — | — |
| 1973 | 58° | 43° | 50° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971coldest | 51° | 37° | 44° | 1.75" | — |
55 years of data from ESCONDIDO #2