Weather on December 19
Santa Rosa, CA
55 Years of Data
Avg High
57°F
Avg Low
39°F
Warmest
1999
60°F avg
Coldest
1985
39°F avg
About This Date
December 19th in Santa Rosa, CA typically brings cool winter weather, with average highs around 57°F and lows near 39°F. Over 55 years of records, the warmest December 19th was in 1999 (60°F average), while the coldest was 1985 (39°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 19th dates historically, with the wettest December 19th recording 13.28" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for December 19th in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 55° | 59° | 1.75" | — |
| 2024 | 56° | 45° | 50° | — | — |
| 2023 | 62° | 57° | 60° | 2.03" | — |
| 2022 | 52° | 33° | 42° | — | — |
| 2021 | 50° | 36° | 43° | — | — |
| 2020 | 60° | 32° | 46° | — | — |
| 2019 | 56° | 48° | 52° | 0.69" | — |
| 2018 | 57° | 52° | 54° | 0.33" | — |
| 2017 | 57° | 35° | 46° | — | — |
| 2016 | 53° | 35° | 44° | — | — |
| 2015 | 54° | 41° | 47° | — | — |
| 2014 | 55° | 51° | 53° | — | — |
| 2013 | 60° | 43° | 51° | — | — |
| 2012 | 52° | 35° | 43° | — | — |
| 2011 | 68° | 39° | 54° | — | — |
| 2010 | 54° | 46° | 50° | 2.44" | — |
| 2009 | 62° | 46° | 54° | — | — |
| 2008 | 54° | 46° | 50° | 0.74" | — |
| 2007 | 58° | 39° | 48° | — | — |
| 2006 | 57° | 26° | 42° | — | — |
| 2005 | 61° | 56° | 58° | 1.17" | — |
| 2004 | 60° | 36° | 48° | — | — |
| 2003 | 56° | 41° | 48° | 0.48" | — |
| 2002 | 50° | 37° | 44° | 3.96" | — |
| 2001 | 55° | 46° | 51° | — | — |
| 2000 | 64° | 38° | 51° | — | — |
| 1999warmest | 78° | 43° | 60° | — | — |
| 1998 | 57° | 32° | 45° | — | — |
| 1997 | 66° | 46° | 56° | — | — |
| 1996 | 58° | 33° | 45° | — | — |
| 1995 | 59° | 41° | 50° | 0.03" | — |
| 1994 | 51° | 41° | 46° | — | — |
| 1993 | 56° | 29° | 42° | — | — |
| 1992 | 53° | 30° | 42° | — | — |
| 1991 | 58° | 36° | 47° | — | — |
| 1990 | 55° | 40° | 47° | — | — |
| 1989 | 54° | 32° | 43° | — | — |
| 1988 | 51° | 43° | 47° | 1.32" | — |
| 1987 | 53° | 31° | 42° | 0.05" | — |
| 1986 | 53° | 39° | 46° | 0.81" | — |
| 1985coldest | 52° | 26° | 39° | — | — |
| 1984 | 55° | 34° | 44° | — | — |
| 1983 | 61° | 49° | 55° | — | — |
| 1982 | 57° | 32° | 45° | — | — |
| 1981 | 51° | 48° | 50° | 13.28" | — |
| 1980 | 63° | 48° | 55° | — | — |
| 1979 | 53° | 47° | 50° | 4.11" | — |
| 1978 | 54° | 27° | 40° | — | — |
| 1977 | 56° | 29° | 42° | — | — |
| 1976 | 65° | 27° | 46° | — | — |
| 1975 | 61° | 28° | 44° | — | — |
| 1974 | 60° | 30° | 45° | — | — |
| 1973 | 58° | 36° | 47° | — | — |
| 1972 | 57° | 49° | 53° | 0.94" | — |
| 1971 | 59° | 27° | 43° | — | — |
55 years of data from SANTA ROSA