Weather on August 23
Santa Rosa, CA
55 Years of Data
Avg High
82°F
Avg Low
53°F
Warmest
1974
77°F avg
Coldest
1987
59°F avg
About This Date
August 23rd in Santa Rosa, CA typically brings warm summer weather, with average highs around 82°F and lows near 53°F — a 29°F daily swing. Over 55 years of records, the warmest August 23rd was in 1974 (77°F average), while the coldest was 1987 (59°F) — a 18°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 23rd in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 53° | 70° | — | — |
| 2024 | 78° | 51° | 65° | — | — |
| 2023 | 96° | 58° | 77° | — | — |
| 2022 | 98° | 55° | 77° | — | — |
| 2021 | 76° | 51° | 63° | — | — |
| 2020 | 94° | 55° | 74° | — | — |
| 2019 | 93° | 58° | 75° | — | — |
| 2018 | 77° | 58° | 67° | — | — |
| 2017 | 79° | — | — | — | — |
| 2016 | 72° | 53° | 62° | — | — |
| 2015 | 75° | 58° | 66° | — | — |
| 2014 | 76° | 56° | 66° | — | — |
| 2013 | 76° | 55° | 65° | — | — |
| 2012 | 77° | 50° | 64° | — | — |
| 2011 | 85° | 52° | 68° | — | — |
| 2010 | 97° | 54° | 75° | — | — |
| 2009 | 73° | 53° | 63° | — | — |
| 2008 | 80° | 57° | 69° | — | — |
| 2007 | 82° | 56° | 69° | — | — |
| 2006 | 82° | 51° | 67° | — | — |
| 2005 | 83° | 48° | 65° | — | — |
| 2004 | 77° | 57° | 67° | — | — |
| 2003 | 85° | 52° | 68° | — | — |
| 2002 | 71° | 50° | 61° | — | — |
| 2001 | 80° | 55° | 68° | — | — |
| 2000 | 69° | 53° | 61° | — | — |
| 1999 | 81° | 55° | 68° | — | — |
| 1998 | 87° | 55° | 71° | — | — |
| 1997 | 80° | 56° | 68° | — | — |
| 1996 | 87° | 50° | 69° | — | — |
| 1995 | 84° | 53° | 69° | — | — |
| 1994 | 77° | 54° | 65° | — | — |
| 1993 | 90° | 58° | 74° | — | — |
| 1992 | 89° | 55° | 72° | — | — |
| 1991 | 85° | 53° | 69° | — | — |
| 1990 | 83° | 56° | 69° | — | — |
| 1989 | 79° | 57° | 68° | — | — |
| 1988 | 78° | 51° | 65° | — | — |
| 1987coldest | 70° | 48° | 59° | — | — |
| 1986 | 75° | 47° | 61° | — | — |
| 1985 | 83° | 47° | 65° | — | — |
| 1984 | 75° | 52° | 63° | — | — |
| 1983 | 80° | 53° | 67° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981 | 83° | 53° | 68° | — | — |
| 1980 | 71° | 53° | 62° | — | — |
| 1979 | 79° | 59° | 69° | — | — |
| 1978 | 80° | 47° | 63° | — | — |
| 1977 | 90° | 50° | 70° | — | — |
| 1976 | 85° | 51° | 68° | — | — |
| 1975 | 88° | 48° | 68° | — | — |
| 1974warmest | 98° | 55° | 77° | — | — |
| 1973 | 78° | 44° | 61° | — | — |
| 1972 | 89° | 51° | 70° | — | — |
| 1971 | 94° | 53° | 73° | — | — |
55 years of data from SANTA ROSA