Weather on August 12
Santa Rosa, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
1998
79°F avg
Coldest
1988
59°F avg
About This Date
August 12th in Santa Rosa, CA typically brings warm summer weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 55 years of records, the warmest August 12th was in 1998 (79°F average), while the coldest was 1988 (59°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 August 12th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 55° | 67° | — | — |
| 2024 | 81° | 53° | 67° | — | — |
| 2023 | 83° | 55° | 69° | — | — |
| 2022 | 83° | 54° | 68° | — | — |
| 2021 | 80° | 49° | 64° | — | — |
| 2020 | 86° | 55° | 71° | — | — |
| 2019 | 94° | 56° | 75° | — | — |
| 2018 | 91° | 54° | 72° | — | — |
| 2017 | 79° | 53° | 66° | — | — |
| 2016 | 82° | 50° | 66° | — | — |
| 2015 | 81° | 54° | 67° | — | — |
| 2014 | 70° | 56° | 63° | — | — |
| 2013 | 78° | 51° | 65° | — | — |
| 2012 | 86° | — | — | — | — |
| 2011 | 80° | 52° | 66° | — | — |
| 2010 | 78° | 51° | 65° | — | — |
| 2009 | 96° | 50° | 73° | — | — |
| 2008 | 88° | 48° | 68° | — | — |
| 2007 | 77° | 49° | 63° | — | — |
| 2006 | 76° | 50° | 63° | — | — |
| 2005 | 85° | 50° | 67° | — | — |
| 2004 | 82° | 53° | 68° | — | — |
| 2003 | 87° | 53° | 70° | — | — |
| 2002 | 78° | 51° | 65° | — | — |
| 2001 | 73° | 51° | 62° | — | — |
| 2000 | 87° | 54° | 70° | — | — |
| 1999 | 74° | 52° | 63° | — | — |
| 1998warmest | 98° | 60° | 79° | — | — |
| 1997 | 79° | 55° | 67° | — | — |
| 1996 | 96° | 61° | 78° | — | — |
| 1995 | 93° | 54° | 73° | — | — |
| 1994 | 92° | 54° | 73° | — | — |
| 1993 | 78° | 55° | 67° | — | — |
| 1992 | 77° | 58° | 67° | — | — |
| 1991 | 79° | 51° | 65° | — | — |
| 1990 | 85° | 54° | 69° | — | — |
| 1989 | 80° | 50° | 65° | — | — |
| 1988coldest | 64° | 53° | 59° | — | — |
| 1987 | 69° | 51° | 60° | — | — |
| 1986 | 71° | 48° | 60° | — | — |
| 1985 | 70° | 55° | 62° | — | — |
| 1984 | 81° | 51° | 66° | — | — |
| 1983 | 91° | 54° | 72° | — | — |
| 1982 | 90° | 53° | 71° | — | — |
| 1981 | 73° | 55° | 64° | — | — |
| 1980 | 85° | 49° | 67° | — | — |
| 1979 | 79° | 52° | 65° | — | — |
| 1978 | 80° | 46° | 63° | — | — |
| 1977 | 80° | 55° | 68° | — | — |
| 1976 | 82° | 52° | 67° | — | — |
| 1975 | 73° | 50° | 62° | — | — |
| 1974 | 72° | 53° | 62° | — | — |
| 1973 | 75° | 51° | 63° | — | — |
| 1972 | 86° | 48° | 67° | — | — |
| 1971 | 88° | 54° | 71° | — | — |
55 years of data from SANTA ROSA