Weather on August 19
San Ramon, CA
55 Years of Data
Avg High
83°F
Avg Low
58°F
Warmest
2004
97°F avg
Coldest
1975
52°F avg
About This Date
August 19th in San Ramon, CA typically brings warm summer weather, with average highs around 83°F and lows near 58°F — a 25°F daily swing. Over 55 years of records, the warmest August 19th was in 2004 (97°F average), while the coldest was 1975 (52°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 19th dates historically, with the wettest August 19th recording 1.55" of rain. The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for August 19th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 51° | 64° | — | — |
| 2024 | 78° | 54° | 66° | — | — |
| 2023 | 81° | 56° | 68° | — | — |
| 2022 | 93° | 70° | 81° | — | — |
| 2021 | 78° | 56° | 67° | — | — |
| 2020 | 95° | 82° | 89° | — | — |
| 2019 | 75° | 51° | 63° | — | — |
| 2018 | 91° | 71° | 81° | — | — |
| 2017 | 86° | 68° | 77° | — | — |
| 2016 | 89° | 67° | 78° | — | — |
| 2015 | 85° | 52° | 68° | — | — |
| 2014 | 81° | 52° | 66° | — | — |
| 2013 | 92° | 77° | 84° | — | — |
| 2012 | 85° | 65° | 75° | — | — |
| 2011 | 83° | 54° | 68° | — | — |
| 2010 | 82° | 56° | 69° | — | — |
| 2009 | 87° | 70° | 78° | — | — |
| 2008 | 70° | 46° | 58° | — | — |
| 2007 | 80° | 47° | 63° | — | — |
| 2006 | 86° | 52° | 69° | — | — |
| 2005 | 76° | 53° | 64° | — | — |
| 2004warmest | 139° | 56° | 97° | — | — |
| 2003 | 83° | 58° | 70° | — | — |
| 2002 | 66° | 52° | 59° | — | — |
| 2001 | 86° | 54° | 70° | — | — |
| 2000 | 79° | 53° | 66° | — | — |
| 1999 | 88° | 53° | 70° | — | — |
| 1998 | 68° | 48° | 58° | — | — |
| 1997 | 80° | 59° | 70° | — | — |
| 1996 | 70° | 52° | 61° | — | — |
| 1995 | 97° | 62° | 79° | — | — |
| 1994 | 83° | 56° | 69° | — | — |
| 1993 | 72° | 55° | 63° | — | — |
| 1992 | 99° | 72° | 85° | — | — |
| 1991 | 77° | 55° | 66° | — | — |
| 1990 | 78° | 58° | 68° | — | — |
| 1989 | 78° | 54° | 66° | — | — |
| 1988 | 95° | 65° | 80° | — | — |
| 1987 | 73° | 47° | 60° | — | — |
| 1986 | 90° | 68° | 79° | — | — |
| 1985 | 75° | 50° | 63° | — | — |
| 1984 | 93° | 61° | 77° | — | — |
| 1983 | 78° | 57° | 68° | 0.51" | — |
| 1982 | 84° | 65° | 74° | — | — |
| 1981 | 72° | 50° | 61° | — | — |
| 1980 | 82° | 56° | 69° | — | — |
| 1979 | 86° | 53° | 70° | — | — |
| 1978 | 91° | 67° | 79° | — | — |
| 1977 | 87° | 62° | 75° | — | — |
| 1976 | 60° | 54° | 57° | 1.55" | — |
| 1975coldest | 61° | 43° | 52° | 0.18" | — |
| 1974 | 82° | 58° | 70° | — | — |
| 1973 | 90° | 64° | 77° | — | — |
| 1972 | 71° | 49° | 60° | — | — |
| 1971 | 93° | 66° | 80° | — | — |
55 years of data from LIVERMORE CALIFORNIA