Weather on December 16
San Ramon, CA
55 Years of Data
Avg High
54°F
Avg Low
40°F
Warmest
1980
64°F avg
Coldest
1991
34°F avg
About This Date
December 16th in San Ramon, CA typically brings cool winter weather, with average highs around 54°F and lows near 40°F. Over 55 years of records, the warmest December 16th was in 1980 (64°F average), while the coldest was 1991 (34°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 22% of December 16th dates historically, with the wettest December 16th recording 6.12" 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 16th in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 55° | 60° | — | — |
| 2024 | 49° | 36° | 42° | 0.03" | — |
| 2023 | 59° | 45° | 52° | — | — |
| 2022 | 52° | 39° | 45° | — | — |
| 2021 | 44° | 40° | 42° | 2.44" | — |
| 2020 | 52° | 43° | 47° | — | — |
| 2019 | 53° | 41° | 47° | — | — |
| 2018 | 55° | 47° | 51° | 0.05" | — |
| 2017 | 67° | 43° | 55° | — | — |
| 2016 | 53° | 34° | 43° | 6.12" | — |
| 2015 | 45° | 36° | 40° | — | — |
| 2014 | 47° | 44° | 45° | 0.74" | — |
| 2013 | 60° | 50° | 55° | — | — |
| 2012 | 43° | 36° | 39° | 0.89" | — |
| 2011 | 53° | 38° | 45° | 0.33" | — |
| 2010 | 48° | 33° | 41° | — | — |
| 2009 | 50° | 45° | 47° | 0.05" | — |
| 2008 | 38° | 30° | 34° | 0.15" | — |
| 2007 | 54° | 28° | 41° | — | — |
| 2006 | 48° | 36° | 42° | — | — |
| 2005 | 49° | 34° | 41° | — | — |
| 2004 | 58° | 45° | 51° | — | — |
| 2003 | 50° | 33° | 42° | — | — |
| 2002 | 52° | 44° | 48° | 5.92" | — |
| 2001 | 50° | 35° | 43° | — | — |
| 2000 | 63° | 46° | 54° | — | — |
| 1999 | 63° | 34° | 48° | — | — |
| 1998 | 73° | 51° | 62° | — | — |
| 1997 | 56° | 40° | 48° | — | — |
| 1996 | 54° | 42° | 48° | — | — |
| 1995 | 58° | 40° | 49° | — | — |
| 1994 | 59° | 38° | 48° | — | — |
| 1993 | 51° | 34° | 42° | — | — |
| 1992 | 56° | 39° | 47° | — | — |
| 1991coldest | 40° | 29° | 34° | — | — |
| 1990 | 50° | 38° | 44° | — | — |
| 1989 | 64° | 40° | 52° | — | — |
| 1988 | 59° | 35° | 47° | — | — |
| 1987 | 45° | 40° | 42° | 0.18" | — |
| 1986 | 55° | 38° | 46° | — | — |
| 1985 | 60° | 41° | 51° | — | — |
| 1984 | 43° | 29° | 36° | 0.89" | — |
| 1983 | 54° | 45° | 49° | — | — |
| 1982 | 53° | 45° | 49° | — | — |
| 1981 | 57° | 41° | 49° | — | — |
| 1980warmest | 76° | 52° | 64° | — | — |
| 1979 | 68° | 49° | 58° | — | — |
| 1978 | 55° | 42° | 49° | — | — |
| 1977 | 54° | 44° | 49° | — | — |
| 1976 | 67° | 45° | 56° | — | — |
| 1975 | 47° | 32° | 39° | — | — |
| 1974 | 58° | 45° | 51° | — | — |
| 1973 | 58° | 42° | 50° | — | — |
| 1972 | 52° | 24° | 38° | — | — |
| 1971 | 47° | 30° | 38° | — | — |
55 years of data from LIVERMORE CALIFORNIA