Weather on December 11
San Ramon, CA
55 Years of Data
Avg High
57°F
Avg Low
41°F
Warmest
2025
68°F avg
Coldest
1972
25°F avg
About This Date
December 11th in San Ramon, CA typically brings cool winter weather, with average highs around 57°F and lows near 41°F. Over 54 years of records, the warmest December 11th was in 2025 (68°F average), while the coldest was 1972 (25°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 15% of December 11th dates historically, with the wettest December 11th recording 5" 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 11th in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 71° | 64° | 68° | — | — |
| 2024 | 56° | 38° | 47° | — | — |
| 2023 | 53° | 38° | 45° | — | — |
| 2022 | 49° | 35° | 42° | 5" | — |
| 2021 | 50° | 38° | 44° | — | — |
| 2020 | 60° | 37° | 49° | — | — |
| 2019 | 56° | 41° | 48° | — | — |
| 2018 | 52° | 45° | 48° | — | — |
| 2017 | 66° | 54° | 60° | — | — |
| 2016 | 54° | 39° | 46° | 4.93" | — |
| 2015 | 54° | 46° | 50° | — | — |
| 2014 | 58° | 52° | 55° | — | — |
| 2013 | 50° | 38° | 44° | — | — |
| 2012 | 64° | 49° | 56° | — | — |
| 2011 | 59° | 37° | 48° | — | — |
| 2010 | 56° | 48° | 52° | 0.05" | — |
| 2009 | 44° | 36° | 40° | 0.71" | — |
| 2008 | 62° | 49° | 55° | — | — |
| 2007 | 54° | 30° | 42° | — | — |
| 2006 | 59° | 41° | 50° | — | — |
| 2005 | 61° | 42° | 51° | — | — |
| 2004 | 57° | 46° | 52° | — | — |
| 2003 | 51° | 33° | 42° | 0.81" | — |
| 2002 | 64° | 42° | 53° | — | — |
| 2001 | 54° | 32° | 43° | — | — |
| 2000 | 53° | 43° | 48° | — | — |
| 1999 | 60° | 39° | 50° | — | — |
| 1998 | 59° | 39° | 49° | — | — |
| 1997 | 56° | 40° | 48° | — | — |
| 1996 | 63° | 53° | 58° | — | — |
| 1995 | 61° | 54° | 57° | — | — |
| 1994 | 56° | 39° | 47° | — | — |
| 1993 | 58° | 44° | 51° | — | — |
| 1992 | 51° | 42° | 47° | — | — |
| 1991 | 64° | 43° | 53° | — | — |
| 1990 | 57° | 43° | 50° | — | — |
| 1989 | 58° | 42° | 50° | — | — |
| 1988 | 66° | 48° | 57° | — | — |
| 1987 | 58° | 42° | 50° | — | — |
| 1985 | 46° | 29° | 37° | — | — |
| 1984 | 54° | 41° | 47° | 0.03" | — |
| 1983 | 50° | 44° | 47° | 1.14" | — |
| 1982 | 59° | 42° | 51° | — | — |
| 1981 | 54° | 37° | 45° | — | — |
| 1980 | 55° | 41° | 48° | — | — |
| 1979 | 61° | 39° | 50° | — | — |
| 1978 | 64° | 41° | 53° | — | — |
| 1977 | 68° | 45° | 56° | — | — |
| 1976 | 64° | 45° | 54° | — | — |
| 1975 | 67° | 38° | 52° | — | — |
| 1974 | 58° | 42° | 50° | — | — |
| 1973 | 67° | 43° | 55° | 0.76" | — |
| 1972coldest | 33° | 18° | 25° | — | — |
| 1971 | 45° | 30° | 37° | — | — |
54 years of data from LIVERMORE CALIFORNIA