Weather on January 3
Santa Rosa, CA
55 Years of Data
Avg High
56°F
Avg Low
38°F
Warmest
2026
61°F avg
Coldest
1982
37°F avg
About This Date
January 3rd in Santa Rosa, CA typically brings cool winter weather, with average highs around 56°F and lows near 38°F. Over 56 years of records, the warmest January 3rd was in 2026 (61°F average), while the coldest was 1982 (37°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 36% of January 3rd dates historically, with the wettest January 3rd recording 4.06" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for January 3rd in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 64° | 57° | 61° | 2.9" | — |
| 2025 | 59° | 49° | 54° | 1.24" | — |
| 2024 | 57° | 43° | 50° | 1.22" | — |
| 2023 | 52° | 41° | 46° | 0.46" | — |
| 2022 | 52° | 44° | 48° | 0.61" | — |
| 2021 | 58° | 47° | 52° | — | — |
| 2020 | 62° | 36° | 49° | — | — |
| 2019 | 54° | 31° | 42° | — | — |
| 2018 | 58° | 43° | 50° | 0.13" | — |
| 2017 | 54° | 41° | 47° | — | — |
| 2016 | 47° | 43° | 45° | — | — |
| 2015 | 55° | 38° | 46° | — | — |
| 2014 | 69° | 48° | 59° | — | — |
| 2013 | 56° | 36° | 46° | — | — |
| 2012 | 64° | 37° | 51° | — | — |
| 2011 | 59° | 33° | 46° | — | — |
| 2010 | 60° | 37° | 49° | — | — |
| 2009 | 56° | 31° | 43° | — | — |
| 2008 | 52° | 40° | 46° | 2.26" | — |
| 2007 | 58° | 37° | 47° | — | — |
| 2006 | 53° | 39° | 46° | 0.58" | — |
| 2005 | 52° | 41° | 46° | 0.94" | — |
| 2004 | 53° | 27° | 40° | — | — |
| 2003 | 58° | 40° | 49° | — | — |
| 2002 | 60° | 40° | 50° | 0.03" | — |
| 2001 | 65° | 34° | 49° | — | — |
| 2000 | 60° | 36° | 48° | — | — |
| 1999 | 59° | 34° | 46° | — | — |
| 1998 | 55° | 47° | 51° | 0.48" | — |
| 1997 | 57° | 45° | 51° | 0.64" | — |
| 1996 | 65° | 42° | 53° | — | — |
| 1995 | 53° | 46° | 50° | 1.8" | — |
| 1994 | 52° | 44° | 48° | 0.03" | — |
| 1993 | 51° | 28° | 40° | — | — |
| 1992 | 58° | 38° | 48° | — | — |
| 1991 | 57° | 38° | 47° | — | — |
| 1990 | 57° | 34° | 45° | — | — |
| 1989 | 54° | 32° | 43° | — | — |
| 1988 | 47° | 42° | 44° | 4.06" | — |
| 1987 | 51° | 45° | 48° | 3.48" | — |
| 1986 | 53° | 44° | 49° | — | — |
| 1985 | 57° | 29° | 43° | — | — |
| 1984 | 59° | 38° | 48° | — | — |
| 1983 | 55° | 38° | 46° | — | — |
| 1982coldest | 45° | 30° | 37° | 0.13" | — |
| 1981 | 55° | 39° | 47° | 0.23" | — |
| 1980 | 61° | 38° | 49° | — | — |
| 1979 | 55° | 34° | 44° | — | — |
| 1978 | 60° | 43° | 51° | — | — |
| 1977 | 57° | 33° | 45° | 0.53" | — |
| 1976 | 52° | 29° | 40° | — | — |
| 1975 | 57° | 27° | 42° | — | — |
| 1974 | 45° | 35° | 40° | 2.08" | — |
| 1973 | 55° | 29° | 42° | — | — |
| 1972 | 57° | 33° | 45° | — | — |
| 1971 | 54° | 32° | 43° | — | — |
56 years of data from SANTA ROSA