Weather on June 15
San Ramon, CA
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2000
84°F avg
Coldest
1992
53°F avg
About This Date
June 15th in San Ramon, CA typically brings pleasant summer weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 54 years of records, the warmest June 15th was in 2000 (84°F average), while the coldest was 1992 (53°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
Planning for June 15th in San Ramon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 60° | 68° | — | — |
| 2024 | 80° | 50° | 65° | — | — |
| 2023 | 70° | 56° | 63° | — | — |
| 2022 | 80° | 61° | 70° | — | — |
| 2021 | 79° | 50° | 64° | — | — |
| 2020 | 73° | 54° | 63° | — | — |
| 2019 | 76° | 50° | 63° | — | — |
| 2018 | 75° | 56° | 65° | — | — |
| 2017 | 80° | 55° | 68° | — | — |
| 2016 | 75° | 42° | 59° | — | — |
| 2015 | 84° | 57° | 71° | — | — |
| 2014 | 79° | 46° | 62° | — | — |
| 2013 | 80° | 61° | 70° | — | — |
| 2012 | 80° | 54° | 67° | — | — |
| 2011 | 84° | 68° | 76° | — | — |
| 2010 | 80° | 44° | 62° | — | — |
| 2009 | 65° | 46° | 55° | — | — |
| 2008 | 85° | 53° | 69° | — | — |
| 2007 | 98° | 63° | 80° | — | — |
| 2006 | 82° | 51° | 67° | — | — |
| 2005 | 84° | 50° | 67° | — | — |
| 2004 | 100° | 63° | 81° | — | — |
| 2003 | 88° | 50° | 69° | — | — |
| 2002 | 78° | 48° | 63° | — | — |
| 2001 | 92° | 61° | 76° | — | — |
| 2000warmest | 101° | 67° | 84° | — | — |
| 1999 | 70° | 52° | 61° | — | — |
| 1998 | 90° | 59° | 74° | — | — |
| 1997 | 82° | 56° | 69° | — | — |
| 1996 | 74° | 50° | 62° | — | — |
| 1995 | 61° | 47° | 54° | — | — |
| 1994 | 70° | 48° | 59° | — | — |
| 1993 | 56° | 55° | 55° | — | — |
| 1992coldest | 55° | 52° | 53° | — | — |
| 1991 | 75° | 50° | 63° | — | — |
| 1990 | 64° | 54° | 59° | — | — |
| 1989 | 85° | 59° | 72° | — | — |
| 1988 | 88° | 59° | 73° | — | — |
| 1987 | 66° | 48° | 57° | — | — |
| 1986 | 70° | 48° | 59° | — | — |
| 1985 | 91° | 69° | 80° | — | — |
| 1984 | 79° | 57° | 68° | — | — |
| 1983 | 78° | 53° | 66° | — | — |
| 1982 | 84° | 66° | 75° | — | — |
| 1981 | 77° | 51° | 64° | — | — |
| 1980 | 73° | 52° | 62° | — | — |
| 1979 | 81° | 44° | 62° | — | — |
| 1978 | 73° | 48° | 61° | — | — |
| 1977 | 83° | 49° | 66° | — | — |
| 1975 | 87° | 58° | 72° | — | — |
| 1974 | 87° | 47° | 67° | — | — |
| 1973 | 68° | 41° | 55° | — | — |
| 1972 | 81° | 58° | 69° | — | — |
| 1971 | 85° | 52° | 68° | — | — |
54 years of data from LIVERMORE CALIFORNIA