Weather on December 6
San Marcos, CA
55 Years of Data
Avg High
71°F
Avg Low
44°F
Warmest
2007
68°F avg
Coldest
1978
44°F avg
About This Date
December 6th in San Marcos, CA typically brings pleasant winter weather, with average highs around 71°F and lows near 44°F — a 27°F daily swing. Over 55 years of records, the warmest December 6th was in 2007 (68°F average), while the coldest was 1978 (44°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 6th dates historically, with the wettest December 6th recording 1.83" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for December 6th 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 | 76° | 44° | 60° | — | — |
| 2024 | 77° | 44° | 61° | — | — |
| 2023 | 80° | 48° | 64° | — | — |
| 2022 | 63° | 50° | 56° | 0.05" | — |
| 2021 | 76° | 43° | 59° | — | — |
| 2020 | 77° | 41° | 59° | — | — |
| 2019 | 74° | 49° | 61° | 0.15" | — |
| 2018 | 62° | 52° | 57° | 1.19" | — |
| 2017 | 76° | 42° | 59° | — | — |
| 2016 | 65° | 53° | 59° | — | — |
| 2015 | 78° | 45° | 61° | — | — |
| 2014 | 72° | 58° | 65° | — | — |
| 2013 | 59° | 40° | 49° | — | — |
| 2012 | 70° | 54° | 62° | 0.05" | — |
| 2011 | 65° | 39° | 52° | — | — |
| 2010 | 67° | 49° | 58° | — | — |
| 2009 | 58° | 54° | 56° | — | — |
| 2008 | 72° | 51° | 61° | — | — |
| 2007warmest | 78° | 58° | 68° | — | — |
| 2006 | 78° | 35° | 57° | — | — |
| 2005 | 73° | 35° | 54° | — | — |
| 2004 | 61° | 39° | 50° | 0.38" | — |
| 2003 | 73° | 41° | 57° | — | — |
| 2002 | 71° | 41° | 56° | — | — |
| 2001 | 73° | 41° | 57° | — | — |
| 2000 | 75° | 48° | 62° | — | — |
| 1999 | 71° | 37° | 54° | — | — |
| 1998 | 57° | 41° | 49° | 0.89" | — |
| 1997 | 73° | 59° | 66° | 0.41" | — |
| 1996 | 65° | 53° | 59° | 0.76" | — |
| 1995 | 75° | 53° | 64° | — | — |
| 1994 | 64° | 51° | 58° | — | — |
| 1993 | 66° | 48° | 57° | — | — |
| 1992 | 63° | 48° | 55° | 0.36" | — |
| 1991 | 71° | 39° | 55° | — | — |
| 1990 | 84° | 42° | 63° | — | — |
| 1989 | 81° | 42° | 61° | — | — |
| 1988 | 86° | 42° | 64° | — | — |
| 1987 | 68° | 44° | 56° | — | — |
| 1986 | 63° | 51° | 57° | 1.83" | — |
| 1985 | 67° | 47° | 57° | — | — |
| 1984 | 73° | 49° | 61° | — | — |
| 1983 | 67° | 35° | 51° | — | — |
| 1982 | 72° | 40° | 56° | — | — |
| 1981 | 71° | 42° | 57° | — | — |
| 1980 | 62° | 40° | 51° | — | — |
| 1979 | 89° | 44° | 67° | — | — |
| 1978coldest | 55° | 32° | 44° | — | — |
| 1977 | 83° | 41° | 62° | — | — |
| 1976 | 74° | 36° | 55° | — | — |
| 1975 | 75° | 38° | 56° | — | — |
| 1974 | 68° | 39° | 54° | — | — |
| 1973 | 78° | 36° | 57° | — | — |
| 1972 | 56° | 45° | 50° | — | — |
| 1971 | 63° | 32° | 47° | — | — |
55 years of data from ESCONDIDO #2