Weather on August 19
Santa Rosa, CA
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2020
79°F avg
Coldest
2002
59°F avg
About This Date
August 19th in Santa Rosa, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 55 years of records, the warmest August 19th was in 2020 (79°F average), while the coldest was 2002 (59°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 19th dates historically, with the wettest August 19th recording 0.69" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in Santa Rosa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 49° | 68° | — | — |
| 2024 | 86° | 51° | 69° | — | — |
| 2023 | 81° | 60° | 70° | — | — |
| 2022 | 93° | 53° | 73° | — | — |
| 2021 | 76° | 56° | 66° | — | — |
| 2020warmest | 98° | 60° | 79° | — | — |
| 2019 | 81° | 56° | 68° | — | — |
| 2018 | 84° | 49° | 66° | — | — |
| 2017 | 71° | 53° | 62° | — | — |
| 2016 | 74° | 54° | 64° | — | — |
| 2015 | 76° | 56° | 66° | — | — |
| 2014 | 73° | 55° | 64° | — | — |
| 2013 | 85° | 56° | 70° | — | — |
| 2012 | 82° | 48° | 65° | — | — |
| 2011 | 70° | 52° | 61° | — | — |
| 2010 | 83° | 52° | 67° | — | — |
| 2009 | 76° | 55° | 65° | — | — |
| 2008 | 77° | 55° | 66° | — | — |
| 2007 | 81° | 55° | 68° | — | — |
| 2006 | 75° | 51° | 63° | — | — |
| 2005 | 66° | 52° | 59° | — | — |
| 2004 | 83° | 54° | 68° | — | — |
| 2003 | 80° | 53° | 67° | 0.03" | — |
| 2002coldest | 67° | 52° | 59° | — | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 80° | 52° | 66° | — | — |
| 1999 | 84° | 53° | 69° | — | — |
| 1998 | 72° | 55° | 63° | — | — |
| 1997 | 80° | 57° | 69° | 0.03" | — |
| 1996 | 74° | 49° | 61° | — | — |
| 1995 | 54° | 96° | 75° | — | — |
| 1994 | 83° | 52° | 67° | — | — |
| 1993 | 79° | 54° | 66° | — | — |
| 1992 | 85° | 50° | 67° | — | — |
| 1991 | 72° | 53° | 62° | — | — |
| 1990 | 79° | 54° | 66° | — | — |
| 1989 | 71° | 53° | 62° | — | — |
| 1988 | 86° | 56° | 71° | — | — |
| 1987 | 70° | 56° | 63° | — | — |
| 1986 | 87° | 50° | 69° | — | — |
| 1985 | 73° | 47° | 60° | — | — |
| 1984 | 79° | 53° | 66° | — | — |
| 1983 | 74° | 59° | 66° | 0.69" | — |
| 1982 | 82° | 53° | 68° | — | — |
| 1981 | 71° | 55° | 63° | — | — |
| 1980 | 76° | 54° | 65° | — | — |
| 1979 | 80° | 55° | 68° | — | — |
| 1978 | 92° | 47° | 69° | — | — |
| 1977 | 85° | 49° | 67° | — | — |
| 1976 | 86° | 57° | 72° | 0.3" | — |
| 1975 | 81° | 54° | 67° | — | — |
| 1974 | 88° | 50° | 69° | — | — |
| 1973 | 83° | 43° | 63° | — | — |
| 1972 | 78° | 52° | 65° | — | — |
| 1971 | 84° | 53° | 69° | — | — |
55 years of data from SANTA ROSA