Weather on December 29
San Ramon, CA
55 Years of Data
Avg High
54°F
Avg Low
40°F
Warmest
1975
59°F avg
Coldest
2021
35°F avg
About This Date
December 29th in San Ramon, CA typically brings cool winter weather, with average highs around 54°F and lows near 40°F. Over 54 years of records, the warmest December 29th was in 1975 (59°F average), while the coldest was 2021 (35°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 29th dates historically, with the wettest December 29th recording 3.25" of rain. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for December 29th in San Ramon, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 41° | 46° | — | — |
| 2024 | 55° | 50° | 53° | 0.58" | — |
| 2023 | 59° | 48° | 54° | 2.18" | — |
| 2022 | 48° | 39° | 44° | 0.66" | — |
| 2021coldest | 40° | 31° | 35° | 1.09" | — |
| 2020 | 47° | 40° | 43° | — | — |
| 2019 | 50° | 39° | 45° | — | — |
| 2018 | 48° | 41° | 45° | — | — |
| 2017 | 62° | 45° | 53° | — | — |
| 2016 | 58° | 47° | 52° | — | — |
| 2015 | 57° | 30° | 44° | — | — |
| 2014 | 52° | 37° | 44° | — | — |
| 2013 | 69° | 47° | 58° | 0.03" | — |
| 2012 | 46° | 35° | 41° | 0.2" | — |
| 2011 | 62° | 49° | 55° | — | — |
| 2010 | 48° | 37° | 43° | 2.74" | — |
| 2009 | 60° | 37° | 49° | — | — |
| 2008 | 52° | 40° | 46° | — | — |
| 2007 | 42° | 30° | 36° | 0.38" | — |
| 2006 | 58° | 38° | 48° | — | — |
| 2005 | 55° | 44° | 50° | — | — |
| 2004 | 57° | 44° | 51° | — | — |
| 2003 | 47° | 37° | 42° | 0.33" | — |
| 2002 | 53° | 36° | 44° | 2.34" | — |
| 2001 | 49° | 36° | 42° | 3.25" | — |
| 2000 | 61° | 40° | 50° | — | — |
| 1999 | 65° | 41° | 53° | — | — |
| 1998 | 63° | 37° | 50° | — | — |
| 1997 | 58° | 40° | 49° | — | — |
| 1996 | 60° | 55° | 58° | — | — |
| 1995 | 57° | 48° | 53° | — | — |
| 1994 | 54° | 36° | 45° | — | — |
| 1993 | 58° | 44° | 51° | — | — |
| 1992 | 48° | 38° | 43° | — | — |
| 1991 | 51° | 45° | 48° | — | — |
| 1990 | 49° | 33° | 41° | — | — |
| 1989 | 51° | 36° | 43° | — | — |
| 1987 | 45° | 33° | 39° | 0.81" | — |
| 1986 | 58° | 40° | 49° | — | — |
| 1985 | 65° | 43° | 54° | 0.15" | — |
| 1984 | 48° | 32° | 40° | — | — |
| 1983 | 55° | 42° | 49° | — | — |
| 1982 | 55° | 34° | 44° | — | — |
| 1981 | 49° | 40° | 44° | 0.56" | — |
| 1980 | 67° | 48° | 57° | — | — |
| 1979 | 52° | 42° | 47° | — | — |
| 1978 | 51° | 30° | 41° | — | — |
| 1977 | 57° | 49° | 53° | 0.76" | — |
| 1976 | 66° | 43° | 54° | — | — |
| 1975warmest | 67° | 52° | 59° | — | — |
| 1974 | 48° | 31° | 39° | — | — |
| 1973 | 54° | 40° | 47° | 0.64" | — |
| 1972 | 56° | 45° | 50° | — | — |
| 1971 | 42° | 32° | 37° | 0.56" | — |
54 years of data from LIVERMORE CALIFORNIA