Weather on August 11
Santa Rosa, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
1996
78°F avg
Coldest
1985
59°F avg
About This Date
August 11th 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 11th was in 1996 (78°F average), while the coldest was 1985 (59°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 11th dates historically. 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 11th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 54° | 67° | — | — |
| 2024 | 82° | 53° | 68° | — | — |
| 2023 | 80° | 55° | 68° | — | — |
| 2022 | 84° | 54° | 69° | — | — |
| 2021 | 86° | 53° | 70° | — | — |
| 2020 | 79° | 59° | 69° | — | — |
| 2019 | 89° | 57° | 73° | — | — |
| 2018 | 94° | 54° | 74° | — | — |
| 2017 | 83° | 56° | 69° | — | — |
| 2016 | 77° | 50° | 64° | — | — |
| 2015 | 79° | 55° | 67° | — | — |
| 2014 | 80° | 55° | 68° | — | — |
| 2013 | 74° | 53° | 63° | — | — |
| 2012 | 88° | — | — | — | — |
| 2011 | 78° | 47° | 62° | — | — |
| 2010 | 70° | 50° | 60° | 0.03" | — |
| 2009 | 88° | 57° | 72° | — | — |
| 2008 | 91° | 55° | 73° | — | — |
| 2007 | 79° | 48° | 63° | — | — |
| 2006 | 77° | 50° | 64° | — | — |
| 2005 | 89° | 50° | 70° | — | — |
| 2004 | 92° | 52° | 72° | — | — |
| 2003 | 88° | 53° | 70° | — | — |
| 2002 | 81° | 51° | 66° | — | — |
| 2001 | 74° | 52° | 63° | — | — |
| 2000 | 89° | 52° | 70° | — | — |
| 1999 | 68° | 59° | 64° | — | — |
| 1998 | 93° | 59° | 76° | — | — |
| 1997 | 75° | 55° | 65° | — | — |
| 1996warmest | 96° | 60° | 78° | — | — |
| 1995 | 81° | 50° | 65° | — | — |
| 1994 | 87° | 50° | 69° | — | — |
| 1993 | 76° | 55° | 65° | — | — |
| 1992 | 81° | 53° | 67° | — | — |
| 1991 | 84° | 53° | 69° | — | — |
| 1990 | 85° | 52° | 68° | — | — |
| 1989 | 71° | 50° | 61° | — | — |
| 1988 | 69° | 54° | 61° | — | — |
| 1987 | 69° | 51° | 60° | — | — |
| 1986 | 74° | 48° | 61° | — | — |
| 1985coldest | 69° | 48° | 59° | — | — |
| 1984 | 75° | 52° | 63° | — | — |
| 1983 | 87° | 55° | 71° | — | — |
| 1982 | 83° | 55° | 69° | — | — |
| 1981 | 71° | 56° | 63° | — | — |
| 1980 | 84° | 50° | 67° | — | — |
| 1979 | 84° | 53° | 69° | — | — |
| 1978 | 74° | 46° | 60° | — | — |
| 1977 | 79° | 54° | 66° | — | — |
| 1976 | 82° | 53° | 68° | — | — |
| 1975 | 79° | 50° | 64° | — | — |
| 1974 | 73° | 54° | 63° | — | — |
| 1973 | 84° | 50° | 67° | — | — |
| 1972 | 80° | 53° | 67° | — | — |
| 1971 | 96° | 55° | 76° | — | — |
55 years of data from SANTA ROSA