Weather on December 4
San Marcos, CA
55 Years of Data
Avg High
70°F
Avg Low
44°F
Warmest
2012
66°F avg
Coldest
2004
48°F avg
About This Date
December 4th in San Marcos, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 44°F — a 26°F daily swing. Over 55 years of records, the warmest December 4th was in 2012 (66°F average), while the coldest was 2004 (48°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 4th dates historically, with the wettest December 4th recording 4.32" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for December 4th 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 | 75° | 45° | 60° | — | — |
| 2024 | 70° | 47° | 58° | — | — |
| 2023 | 75° | 46° | 61° | — | — |
| 2022 | 70° | 47° | 58° | — | — |
| 2021 | 65° | 51° | 58° | — | — |
| 2020 | 78° | 46° | 62° | — | — |
| 2019 | 60° | 56° | 58° | 3.38" | — |
| 2018 | 73° | 43° | 58° | — | — |
| 2017 | 71° | 49° | 60° | — | — |
| 2016 | 76° | 39° | 57° | — | — |
| 2015 | 68° | 42° | 55° | — | — |
| 2014 | 69° | 62° | 66° | 0.76" | — |
| 2013 | 62° | 50° | 56° | — | — |
| 2012warmest | 74° | 58° | 66° | — | — |
| 2011 | 63° | 36° | 49° | — | — |
| 2010 | 69° | 44° | 57° | — | — |
| 2009 | 68° | 45° | 56° | — | — |
| 2008 | 64° | 54° | 59° | — | — |
| 2007 | 72° | 46° | 59° | — | — |
| 2006 | 79° | 36° | 57° | — | — |
| 2005 | 68° | 39° | 54° | — | — |
| 2004coldest | 61° | 35° | 48° | 0.1" | — |
| 2003 | 74° | 41° | 57° | — | — |
| 2002 | 70° | 42° | 56° | — | — |
| 2001 | 59° | 41° | 50° | 0.48" | — |
| 2000 | 80° | 42° | 61° | — | — |
| 1999 | 71° | 44° | 58° | — | — |
| 1998 | 61° | 47° | 54° | 0.03" | — |
| 1997 | 74° | 45° | 59° | — | — |
| 1996 | 71° | 38° | 54° | — | — |
| 1995 | 81° | 48° | 64° | — | — |
| 1994 | 60° | 41° | 51° | — | — |
| 1993 | 79° | 41° | 60° | — | — |
| 1992 | 69° | 40° | 54° | 0.58" | — |
| 1991 | 73° | 43° | 58° | — | — |
| 1990 | 80° | 40° | 60° | — | — |
| 1989 | 75° | 40° | 57° | — | — |
| 1988 | 81° | 39° | 60° | — | — |
| 1987 | 77° | 42° | 60° | 0.1" | — |
| 1986 | 72° | 48° | 60° | — | — |
| 1985 | 76° | 42° | 59° | — | — |
| 1984 | 63° | 40° | 51° | — | — |
| 1983 | 59° | 47° | 53° | 0.86" | — |
| 1982 | 69° | 39° | 54° | — | — |
| 1981 | 75° | 42° | 59° | — | — |
| 1980 | 59° | 51° | 55° | 1.88" | — |
| 1979 | 90° | 41° | 65° | — | — |
| 1978 | 64° | 35° | 50° | — | — |
| 1977 | 76° | 42° | 59° | — | — |
| 1976 | 76° | 36° | 56° | — | — |
| 1975 | 60° | 42° | 51° | — | — |
| 1974 | 63° | 44° | 53° | 4.32" | — |
| 1973 | 66° | 33° | 50° | — | — |
| 1972 | 55° | 49° | 52° | 3" | — |
| 1971 | 60° | 39° | 50° | 0.41" | — |
55 years of data from ESCONDIDO #2