Weather on December 1
Santa Rosa, CA
55 Years of Data
About This Date
December 1st in Santa Rosa, CA typically brings mild winter weather, with average highs around 61°F and lows near 40°F. Over 55 years of records, the warmest December 1st was in 1991 (60°F average), while the coldest was 1980 (43°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 1st dates historically, with the wettest December 1st recording 5.13" 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 1st in Santa Rosa, CA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 43° | 51° | — | — |
| 2024 | 62° | 41° | 52° | — | — |
| 2023 | 61° | 37° | 49° | — | — |
| 2022 | 54° | 46° | 50° | 2.29" | — |
| 2021 | 68° | 39° | 54° | — | — |
| 2020 | 64° | 33° | 49° | — | — |
| 2019 | 53° | 45° | 49° | 4.01" | — |
| 2018 | 58° | 42° | 50° | 1.83" | — |
| 2017 | 61° | 35° | 48° | — | — |
| 2016 | 60° | 42° | 51° | — | — |
| 2015 | 60° | 40° | 50° | — | — |
| 2014 | 64° | 54° | 59° | — | — |
| 2013 | 70° | 48° | 59° | — | — |
| 2012 | 60° | 55° | 58° | — | — |
| 2011 | 72° | 36° | 54° | — | — |
| 2010 | 58° | 31° | 44° | — | — |
| 2009 | 51° | 35° | 43° | — | — |
| 2008 | 56° | 40° | 48° | — | — |
| 2007 | 58° | 29° | 43° | — | — |
| 2006 | 64° | 31° | 47° | — | — |
| 2005 | 59° | 46° | 53° | 5.13" | — |
| 2004 | 59° | 29° | 44° | — | — |
| 2003 | 57° | 50° | 54° | 1.52" | — |
| 2002 | 67° | 38° | 52° | — | — |
| 2001 | 54° | 48° | 51° | 4.6" | — |
| 2000 | 60° | 39° | 50° | — | — |
| 1999 | 60° | 40° | 50° | 0.66" | — |
| 1998 | 59° | 40° | 49° | 0.03" | — |
| 1997 | 64° | 39° | 52° | 0.05" | — |
| 1996 | 57° | 49° | 53° | 0.43" | — |
| 1995 | 63° | 51° | 57° | 0.13" | — |
| 1994 | 62° | 40° | 51° | — | — |
| 1993 | 60° | 38° | 49° | 0.03" | — |
| 1992 | 64° | 37° | 51° | — | — |
| 1991warmest | 69° | 50° | 60° | — | — |
| 1990 | 63° | 35° | 49° | — | — |
| 1989 | 68° | 38° | 53° | — | — |
| 1988 | 63° | 34° | 48° | — | — |
| 1987 | 59° | 53° | 56° | 1.07" | — |
| 1986 | 61° | 29° | 45° | — | — |
| 1985 | 50° | 38° | 44° | 0.58" | — |
| 1984 | 57° | 35° | 46° | — | — |
| 1983 | 58° | 43° | 50° | 0.03" | — |
| 1982 | 55° | 36° | 45° | 0.15" | — |
| 1981 | 60° | 35° | 48° | — | — |
| 1980coldest | 54° | 33° | 43° | — | — |
| 1979 | 64° | 46° | 55° | — | — |
| 1978 | 72° | 46° | 59° | — | — |
| 1977 | 73° | 42° | 58° | — | — |
| 1976 | 69° | 30° | 50° | — | — |
| 1975 | 67° | 44° | 55° | — | — |
| 1974 | 60° | 33° | 47° | — | — |
| 1973 | 53° | 42° | 48° | 2.16" | — |
| 1972 | 50° | 38° | 44° | — | — |
| 1971 | 60° | 32° | 46° | — | — |
Santa Rosa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Rosa, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Rosa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Rosa, CA
Most pleasant months in Santa Rosa, CA: July.