Weather on August 27
Santa Rosa, CA
55 Years of Data
Avg High
84°F
Avg Low
54°F
Warmest
2009
80°F avg
Coldest
1985
60°F avg
About This Date
August 27th in Santa Rosa, CA typically brings warm summer weather, with average highs around 84°F and lows near 54°F — a 30°F daily swing. Over 55 years of records, the warmest August 27th was in 2009 (80°F average), while the coldest was 1985 (60°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 27th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 55° | 69° | — | — |
| 2024 | 96° | 54° | 75° | — | — |
| 2023 | 85° | 56° | 70° | — | — |
| 2022 | 85° | 55° | 70° | — | — |
| 2021 | 98° | 54° | 76° | — | — |
| 2020 | 81° | 54° | 67° | — | — |
| 2019 | 88° | 55° | 71° | — | — |
| 2018 | 74° | 53° | 63° | — | — |
| 2017 | 102° | 57° | 80° | — | — |
| 2016 | 73° | 56° | 64° | — | — |
| 2015 | 95° | 59° | 77° | — | — |
| 2014 | 82° | 56° | 69° | — | — |
| 2013 | 85° | 57° | 71° | — | — |
| 2012 | 84° | 48° | 66° | — | — |
| 2011 | 80° | 50° | 65° | — | — |
| 2010 | 80° | 47° | 63° | — | — |
| 2009warmest | 100° | 59° | 80° | — | — |
| 2008 | 99° | 51° | 75° | — | — |
| 2007 | 82° | 54° | 68° | — | — |
| 2006 | 76° | 51° | 63° | — | — |
| 2005 | 91° | 50° | 71° | — | — |
| 2004 | 96° | 63° | 79° | — | — |
| 2003 | 83° | 54° | 68° | — | — |
| 2002 | 96° | 59° | 78° | — | — |
| 2001 | 94° | 56° | 75° | — | — |
| 2000 | 76° | 52° | 64° | — | — |
| 1999 | 84° | 64° | 74° | — | — |
| 1998 | 89° | 48° | 69° | — | — |
| 1997 | 81° | 58° | 69° | — | — |
| 1996 | 78° | 51° | 65° | — | — |
| 1995 | 79° | 49° | 64° | — | — |
| 1994 | 72° | 51° | 61° | — | — |
| 1993 | 98° | 60° | 79° | — | — |
| 1992 | 79° | 50° | 64° | — | — |
| 1991 | 71° | 53° | 62° | — | — |
| 1990 | 78° | 61° | 69° | — | — |
| 1989 | 77° | 52° | 64° | — | — |
| 1988 | 82° | 53° | 68° | — | — |
| 1987 | 77° | 50° | 64° | — | — |
| 1986 | 73° | 49° | 61° | — | — |
| 1985coldest | 72° | 48° | 60° | — | — |
| 1984 | 78° | 53° | 66° | — | — |
| 1983 | 89° | 53° | 71° | — | — |
| 1982 | 80° | 49° | 64° | — | — |
| 1981 | 93° | 53° | 73° | — | — |
| 1980 | 78° | 50° | 64° | — | — |
| 1979 | — | 61° | — | — | — |
| 1978 | 97° | 49° | 73° | — | — |
| 1977 | 90° | 50° | 70° | — | — |
| 1976 | 96° | 50° | 73° | — | — |
| 1975 | 69° | 55° | 62° | — | — |
| 1974 | 78° | 51° | 65° | — | — |
| 1973 | 75° | 52° | 63° | — | — |
| 1972 | 78° | 54° | 66° | — | — |
| 1971 | 78° | 57° | 68° | — | — |
55 years of data from SANTA ROSA