Weather on January 12
Santa Rosa, CA
55 Years of Data
Avg High
58°F
Avg Low
40°F
Warmest
2009
65°F avg
Coldest
2007
38°F avg
About This Date
January 12th in Santa Rosa, CA typically brings cool winter weather, with average highs around 58°F and lows near 40°F. Over 56 years of records, the warmest January 12th was in 2009 (65°F average), while the coldest was 2007 (38°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 36% of January 12th dates historically, with the wettest January 12th recording 8.26" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for January 12th in Santa Rosa, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 66° | 34° | 50° | — | — |
| 2025 | 68° | 34° | 51° | — | — |
| 2024 | 53° | 39° | 46° | — | — |
| 2023 | 66° | 52° | 59° | 1.07" | — |
| 2022 | 65° | 36° | 50° | — | — |
| 2021 | 58° | 45° | 51° | — | — |
| 2020 | 54° | 34° | 44° | — | — |
| 2019 | 63° | 47° | 55° | 0.15" | — |
| 2018 | 65° | 47° | 56° | — | — |
| 2017 | 48° | 40° | 44° | — | — |
| 2016 | 58° | 46° | 52° | — | — |
| 2015 | 66° | 48° | 57° | — | — |
| 2014 | 61° | 42° | 51° | — | — |
| 2013 | 49° | 36° | 42° | — | — |
| 2012 | 68° | 29° | 48° | — | — |
| 2011 | 57° | 40° | 48° | 0.03" | — |
| 2010 | 59° | 46° | 53° | 1.42" | — |
| 2009warmest | 84° | 47° | 65° | — | — |
| 2008 | 62° | 44° | 53° | 0.05" | — |
| 2007coldest | 48° | 29° | 38° | — | — |
| 2006 | 63° | 38° | 50° | — | — |
| 2005 | 58° | 31° | 44° | — | — |
| 2004 | 59° | 43° | 51° | — | — |
| 2003 | 56° | 50° | 53° | 0.64" | — |
| 2002 | 55° | 42° | 49° | — | — |
| 2001 | 58° | 41° | 49° | 0.1" | — |
| 2000 | 51° | 40° | 45° | 0.05" | — |
| 1999 | 58° | 33° | 45° | — | — |
| 1998 | 59° | 55° | 57° | 2.87" | — |
| 1997 | 51° | 46° | 49° | 0.43" | — |
| 1996 | 59° | 35° | 47° | — | — |
| 1995 | 55° | 52° | 53° | 0.64" | — |
| 1994 | 63° | 33° | 48° | — | — |
| 1993 | 47° | 38° | 42° | 0.41" | — |
| 1992 | 59° | 35° | 47° | — | — |
| 1991 | 56° | 48° | 52° | 0.1" | — |
| 1990 | 58° | 52° | 55° | 1.91" | — |
| 1989 | 59° | 36° | 47° | — | — |
| 1988 | 54° | 33° | 43° | — | — |
| 1987 | 53° | 29° | 41° | — | — |
| 1986 | 52° | 36° | 44° | — | — |
| 1985 | 52° | 34° | 43° | — | — |
| 1984 | 53° | 38° | 45° | — | — |
| 1983 | 55° | 35° | 45° | — | — |
| 1982 | 64° | 33° | 49° | — | — |
| 1981 | 52° | 38° | 45° | — | — |
| 1980 | 62° | 56° | 59° | 6.3" | — |
| 1979 | 60° | 43° | 51° | — | — |
| 1978 | 58° | 44° | 51° | 1.3" | — |
| 1977 | 52° | 40° | 46° | 1.09" | — |
| 1976 | 59° | 42° | 51° | — | — |
| 1975 | 60° | 32° | 46° | — | — |
| 1974 | 56° | 44° | 50° | 0.3" | — |
| 1973 | 57° | 40° | 48° | 8.26" | — |
| 1972 | 60° | 33° | 47° | — | — |
| 1971 | 50° | 34° | 42° | 1.27" | — |
56 years of data from SANTA ROSA