Weather on January 1
Santa Rosa, CA
55 Years of Data
Avg High
58°F
Avg Low
39°F
Warmest
1996
61°F avg
Coldest
1988
38°F avg
About This Date
January 1st in Santa Rosa, CA typically brings cool winter weather, with average highs around 58°F and lows near 39°F. Over 56 years of records, the warmest January 1st was in 1996 (61°F average), while the coldest was 1988 (38°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 30% of January 1st dates historically, with the wettest January 1st recording 8.69" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for January 1st in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 60° | 55° | 58° | 2.67" | — |
| 2025 | 55° | 40° | 47° | — | — |
| 2024 | 63° | 42° | 52° | — | — |
| 2023 | 62° | 40° | 51° | — | — |
| 2022 | 54° | 28° | 41° | — | — |
| 2021 | 58° | 35° | 46° | — | — |
| 2020 | 62° | 43° | 52° | — | — |
| 2019 | 60° | 43° | 51° | — | — |
| 2018 | 64° | 39° | 52° | — | — |
| 2017 | 52° | 37° | 44° | — | — |
| 2016 | 52° | 35° | 43° | — | — |
| 2015 | 54° | 37° | 45° | — | — |
| 2014 | 66° | 43° | 54° | — | — |
| 2013 | 56° | 39° | 47° | — | — |
| 2012 | 68° | 32° | 50° | — | — |
| 2011 | 45° | 37° | 41° | 1.27" | — |
| 2010 | 56° | 49° | 52° | 0.48" | — |
| 2009 | 56° | 47° | 51° | — | — |
| 2008 | 64° | 27° | 45° | — | — |
| 2007 | 69° | 32° | 51° | — | — |
| 2006 | 55° | 46° | 51° | 2.21" | — |
| 2005 | 51° | 38° | 44° | 0.94" | — |
| 2004 | 52° | 45° | 48° | 3.58" | — |
| 2003 | 54° | 35° | 44° | — | — |
| 2002 | 58° | 53° | 55° | 1.02" | — |
| 2001 | 63° | 35° | 49° | — | — |
| 2000 | 55° | 35° | 45° | — | — |
| 1999 | 62° | 29° | 45° | — | — |
| 1998 | 56° | 45° | 50° | — | — |
| 1997 | 63° | 58° | 60° | 8.69" | — |
| 1996warmest | 75° | 46° | 61° | — | — |
| 1995 | 49° | 43° | 46° | 1.22" | — |
| 1994 | 52° | 37° | 44° | — | — |
| 1993 | 53° | 44° | 49° | 3.3" | — |
| 1992 | 58° | 33° | 45° | — | — |
| 1991 | 56° | 26° | 41° | — | — |
| 1990 | 52° | 43° | 47° | 0.64" | — |
| 1989 | 55° | 31° | 43° | — | — |
| 1988coldest | 48° | 29° | 38° | — | — |
| 1987 | 56° | 42° | 49° | 1.17" | — |
| 1986 | 58° | 49° | 53° | 0.05" | — |
| 1985 | 55° | 30° | 43° | — | — |
| 1984 | 60° | 37° | 49° | — | — |
| 1983 | 48° | 31° | 39° | — | — |
| 1982 | 54° | 34° | 44° | 1.3" | — |
| 1981 | 53° | 39° | 46° | — | — |
| 1980 | 63° | 49° | 56° | — | — |
| 1979 | 62° | 25° | 43° | — | — |
| 1978 | 56° | 40° | 48° | 0.3" | — |
| 1977 | 59° | 36° | 47° | 0.3" | — |
| 1976 | 57° | 34° | 45° | — | — |
| 1975 | 61° | 31° | 46° | — | — |
| 1974 | 52° | 31° | 41° | — | — |
| 1973 | 70° | 38° | 54° | — | — |
| 1972 | 60° | 32° | 46° | — | — |
| 1971 | 56° | 47° | 51° | 0.13" | — |
56 years of data from SANTA ROSA