Weather on June 15
San Ramon, CA
55 Years of Data
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 55 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 4.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.9°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 |
|---|---|---|---|---|---|
| 2026 | 83° | 67° | 75° | — | — |
| 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° | — | — |
San Ramon, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Ramon, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Ramon, 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 San Ramon, CA
Most pleasant months in San Ramon, CA: May, June, September, October.
What to expect on June 15th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
June 15th outlook →