Weather on June 28
San Ramon, CA
55 Years of Data
About This Date
June 28th in San Ramon, CA typically brings warm summer weather, with average highs around 82°F and lows near 57°F — a 25°F daily swing. Over 55 years of records, the warmest June 28th was in 2009 (87°F average), while the coldest was 1989 (55°F) — a 32°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for June 28th in San Ramon, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 76° | 49° | 62° | — | — |
| 2025 | 88° | 65° | 76° | — | — |
| 2024 | 76° | 56° | 66° | — | — |
| 2023 | 70° | 46° | 58° | — | — |
| 2022 | 87° | 69° | 78° | — | — |
| 2021 | 84° | 63° | 73° | — | — |
| 2020 | 81° | 47° | 64° | — | — |
| 2019 | 67° | 50° | 58° | — | — |
| 2018 | 79° | 49° | 64° | — | — |
| 2017 | 73° | 49° | 61° | — | — |
| 2016 | 91° | 72° | 81° | — | — |
| 2015 | 79° | 64° | 71° | — | — |
| 2014 | 74° | 53° | 63° | — | — |
| 2013 | 86° | 57° | 72° | — | — |
| 2012 | 77° | 54° | 65° | — | — |
| 2011 | 74° | 53° | 63° | — | — |
| 2010 | 91° | 71° | 81° | — | — |
| 2009warmest | 94° | 80° | 87° | — | — |
| 2008 | 87° | 60° | 74° | — | — |
| 2007 | 80° | 52° | 66° | — | — |
| 2006 | 90° | 58° | 74° | — | — |
| 2005 | 79° | 56° | 67° | — | — |
| 2004 | 84° | 57° | 71° | — | — |
| 2003 | 96° | 67° | 81° | — | — |
| 2002 | 76° | 51° | 63° | — | — |
| 2001 | 78° | 54° | 66° | — | — |
| 2000 | 91° | 59° | 75° | — | — |
| 1999 | 97° | 62° | 79° | — | — |
| 1998 | 72° | 52° | 62° | — | — |
| 1997 | 68° | 53° | 61° | — | — |
| 1996 | 83° | 50° | 66° | — | — |
| 1995 | 86° | 55° | 71° | — | — |
| 1994 | 92° | 53° | 72° | — | — |
| 1993 | 75° | 50° | 63° | — | — |
| 1992 | 73° | 71° | 72° | — | — |
| 1991 | 63° | 55° | 59° | — | — |
| 1990 | 83° | 54° | 68° | — | — |
| 1989coldest | 66° | 45° | 55° | — | — |
| 1988 | 83° | 50° | 66° | — | — |
| 1987 | 75° | 47° | 61° | — | — |
| 1986 | 76° | 53° | 64° | — | — |
| 1985 | 92° | 64° | 78° | — | — |
| 1984 | 92° | 71° | 81° | — | — |
| 1983 | 64° | 48° | 56° | — | — |
| 1982 | 73° | 49° | 61° | — | — |
| 1981 | 95° | 67° | 81° | — | — |
| 1980 | 85° | 53° | 69° | — | — |
| 1979 | 92° | 58° | 75° | — | — |
| 1978 | 72° | 52° | 62° | — | — |
| 1977 | 93° | 69° | 81° | — | — |
| 1975 | 83° | 44° | 63° | — | — |
| 1974 | 96° | 56° | 76° | — | — |
| 1973 | 99° | 60° | 79° | — | — |
| 1972 | 91° | 67° | 79° | — | — |
| 1971 | 77° | 46° | 62° | — | — |
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 28th
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 28th outlook →