Weather on December 23
Santa Rosa, CA
55 Years of Data
Avg High
57°F
Avg Low
38°F
Warmest
2025
61°F avg
Coldest
1990
33°F avg
About This Date
December 23rd in Santa Rosa, CA typically brings cool winter weather, with average highs around 57°F and lows near 38°F. Over 55 years of records, the warmest December 23rd was in 2025 (61°F average), while the coldest was 1990 (33°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 23rd dates historically, with the wettest December 23rd recording 1.91" 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 23rd in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 63° | 60° | 61° | 0.53" | — |
| 2024 | 61° | 56° | 58° | 1.52" | — |
| 2023 | 60° | 43° | 51° | — | — |
| 2022 | 58° | 45° | 51° | 0.05" | — |
| 2021 | 55° | 49° | 52° | — | — |
| 2020 | 58° | 29° | 43° | — | — |
| 2019 | 55° | 31° | 43° | — | — |
| 2018 | 57° | 41° | 49° | 0.03" | — |
| 2017 | 52° | 36° | 44° | — | — |
| 2016 | 50° | 39° | 45° | — | — |
| 2015 | 53° | 42° | 48° | — | — |
| 2014 | 67° | 53° | 60° | — | — |
| 2013 | 66° | 46° | 56° | — | — |
| 2012 | 56° | 45° | 50° | — | — |
| 2011 | 61° | 27° | 44° | — | — |
| 2010 | 58° | 33° | 45° | — | — |
| 2009 | 62° | 29° | 45° | — | — |
| 2008 | 52° | 35° | 43° | — | — |
| 2007 | 62° | 34° | 48° | — | — |
| 2006 | 59° | 34° | 46° | — | — |
| 2005 | 63° | 55° | 59° | 0.08" | — |
| 2004 | 71° | 41° | 56° | — | — |
| 2003 | 57° | 46° | 52° | 0.33" | — |
| 2002 | 58° | 35° | 46° | — | — |
| 2001 | 58° | 46° | 52° | 0.53" | — |
| 2000 | 56° | 38° | 47° | 0.03" | — |
| 1999 | 66° | 37° | 52° | — | — |
| 1998 | 52° | 25° | 38° | — | — |
| 1997 | 62° | 34° | 48° | — | — |
| 1996 | 58° | 42° | 50° | 0.53" | — |
| 1995 | 57° | 37° | 47° | 0.03" | — |
| 1994 | 51° | 35° | 43° | — | — |
| 1993 | 52° | 29° | 40° | — | — |
| 1992 | 55° | 32° | 44° | — | — |
| 1991 | 62° | 37° | 50° | — | — |
| 1990coldest | 46° | 19° | 33° | — | — |
| 1989 | 51° | 32° | 42° | — | — |
| 1988 | 51° | 35° | 43° | 0.03" | — |
| 1987 | 53° | — | — | — | — |
| 1986 | 58° | 38° | 48° | — | — |
| 1985 | 47° | 28° | 37° | — | — |
| 1984 | 54° | 27° | 40° | — | — |
| 1983 | 45° | 41° | 43° | 0.99" | — |
| 1982 | 53° | 40° | 46° | 0.51" | — |
| 1981 | 59° | 37° | 48° | — | — |
| 1980 | 55° | 46° | 51° | — | — |
| 1979 | 49° | 41° | 45° | 1.91" | — |
| 1978 | 55° | 28° | 42° | — | — |
| 1977 | 63° | 47° | 55° | 0.89" | — |
| 1976 | 59° | 36° | 47° | — | — |
| 1975 | 68° | 37° | 53° | — | — |
| 1974 | 55° | 29° | 42° | — | — |
| 1973 | 54° | 38° | 46° | — | — |
| 1972 | 56° | 38° | 47° | — | — |
| 1971 | 57° | 40° | 48° | 0.38" | — |
55 years of data from SANTA ROSA