Weather on August 27
Santa Rosa, CA
55 Years of Data
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.
| 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° | — | — |
Santa Rosa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Rosa, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Rosa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Rosa, CA
Most pleasant months in Santa Rosa, CA: July.