Weather on December 14
San Marcos, CA
55 Years of Data
Avg High
67°F
Avg Low
41°F
Warmest
1996
64°F avg
Coldest
1971
44°F avg
About This Date
December 14th 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 14th was in 1996 (64°F average), while the coldest was 1971 (44°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 13% of December 14th dates historically, with the wettest December 14th recording 4.06" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for December 14th in San Marcos, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 50° | 62° | — | — |
| 2024 | 70° | 46° | 58° | — | — |
| 2023 | 75° | 42° | 59° | — | — |
| 2022 | 65° | 39° | 52° | — | — |
| 2021 | 57° | 49° | 53° | 4.06" | — |
| 2020 | 67° | 49° | 58° | — | — |
| 2019 | 64° | 54° | 59° | — | — |
| 2018 | 70° | 47° | 58° | — | — |
| 2017 | 76° | 41° | 58° | — | — |
| 2016 | 74° | 48° | 61° | — | — |
| 2015 | 57° | 45° | 51° | 0.61" | — |
| 2014 | 66° | 43° | 54° | — | — |
| 2013 | 74° | 37° | 55° | — | — |
| 2012 | 56° | 44° | 50° | 0.23" | — |
| 2011 | 61° | 44° | 52° | — | — |
| 2010 | 65° | 45° | 55° | — | — |
| 2009 | 60° | 49° | 54° | 0.05" | — |
| 2008 | 56° | 48° | 52° | 0.03" | — |
| 2007 | 59° | 42° | 51° | — | — |
| 2006 | 69° | 50° | 60° | — | — |
| 2005 | 66° | 39° | 53° | — | — |
| 2004 | 80° | 42° | 61° | — | — |
| 2003 | 60° | 38° | 49° | — | — |
| 2002 | 71° | 42° | 57° | — | — |
| 2001 | 64° | 36° | 50° | — | — |
| 2000 | 63° | 42° | 52° | — | — |
| 1999 | 66° | 42° | 54° | — | — |
| 1998 | 72° | 42° | 57° | — | — |
| 1997 | 71° | 40° | 55° | — | — |
| 1996warmest | 80° | 48° | 64° | — | — |
| 1995 | 65° | 49° | 57° | 0.25" | — |
| 1994 | 62° | 39° | 51° | — | — |
| 1993 | 61° | 42° | 51° | — | — |
| 1992 | 62° | 35° | 49° | — | — |
| 1991 | 79° | 39° | 59° | — | — |
| 1990 | 68° | 41° | 55° | — | — |
| 1989 | 74° | 38° | 56° | — | — |
| 1988 | 65° | 40° | 52° | — | — |
| 1987 | 55° | 34° | 44° | — | — |
| 1986 | 67° | 43° | 55° | — | — |
| 1985 | 68° | 34° | 51° | — | — |
| 1984 | 60° | 34° | 47° | — | — |
| 1983 | 74° | 41° | 57° | — | — |
| 1982 | 69° | 38° | 53° | — | — |
| 1981 | 72° | 41° | 56° | — | — |
| 1980 | 76° | 38° | 57° | — | — |
| 1979 | 79° | 34° | 56° | — | — |
| 1978 | 73° | 34° | 53° | — | — |
| 1977 | 77° | 42° | 60° | — | — |
| 1976 | 75° | 41° | 58° | — | — |
| 1975 | 61° | 38° | 49° | 0.1" | — |
| 1974 | 71° | 37° | 54° | — | — |
| 1973 | 65° | 46° | 55° | — | — |
| 1972 | 64° | 29° | 46° | — | — |
| 1971coldest | 59° | 29° | 44° | — | — |
55 years of data from ESCONDIDO #2