Weather on October 1
San Ramon, CA
55 Years of Data
About This Date
October 1st in San Ramon, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 55°F. Over 53 years of records, the warmest October 1st was in 2020 (85°F average), while the coldest was 1990 (50°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 1st dates historically, with the wettest October 1st recording 1.73" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for October 1st in San Ramon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 54° | 60° | — | — |
| 2024 | 88° | 63° | 75° | — | — |
| 2023 | 62° | 49° | 55° | — | — |
| 2022 | 82° | 64° | 73° | — | — |
| 2021 | 80° | 60° | 70° | — | — |
| 2020warmest | 94° | 77° | 85° | — | — |
| 2019 | 59° | 41° | 50° | — | — |
| 2018 | 71° | 54° | 62° | — | — |
| 2017 | 75° | 52° | 63° | — | — |
| 2016 | 64° | 46° | 55° | — | — |
| 2015 | 66° | 57° | 62° | — | — |
| 2014 | 74° | 60° | 67° | — | — |
| 2013 | 69° | 45° | 57° | — | — |
| 2012 | 92° | 74° | 83° | — | — |
| 2011 | 68° | 52° | 60° | — | — |
| 2010 | 87° | 64° | 76° | — | — |
| 2009 | 68° | 49° | 58° | — | — |
| 2008 | 85° | 59° | 72° | — | — |
| 2007 | 74° | 44° | 59° | — | — |
| 2006 | 61° | 52° | 56° | — | — |
| 2005 | 77° | 55° | 66° | — | — |
| 2004 | 70° | 50° | 60° | — | — |
| 2003 | 74° | 53° | 63° | — | — |
| 2002 | 73° | 51° | 62° | — | — |
| 2001 | 96° | 67° | 81° | — | — |
| 2000 | 91° | 60° | 76° | — | — |
| 1999 | 88° | 59° | 73° | — | — |
| 1998 | 64° | 55° | 60° | — | — |
| 1997 | 79° | 57° | 68° | — | — |
| 1996 | 71° | 54° | 62° | — | — |
| 1995 | 86° | 56° | 71° | — | — |
| 1994 | 86° | 56° | 71° | — | — |
| 1993 | 86° | 57° | 72° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 87° | 55° | 71° | — | — |
| 1990coldest | 90° | 10° | 50° | — | — |
| 1989 | 71° | 54° | 62° | — | — |
| 1988 | 94° | 61° | 77° | — | — |
| 1986 | 74° | 49° | 61° | — | — |
| 1985 | 67° | 48° | 57° | — | — |
| 1984 | 65° | 49° | 57° | 0.25" | — |
| 1983 | 59° | 50° | 55° | 1.73" | — |
| 1982 | 71° | 51° | 61° | — | — |
| 1981 | 80° | 60° | 70° | — | — |
| 1979 | 85° | 66° | 75° | — | — |
| 1978 | 95° | 70° | 82° | — | — |
| 1977 | 76° | 53° | 64° | — | — |
| 1976 | 77° | 54° | 65° | — | — |
| 1975 | 89° | 64° | 77° | — | — |
| 1974 | 90° | 58° | 74° | — | — |
| 1973 | 80° | 51° | 66° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971 | 64° | 40° | 52° | — | — |
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
San Ramon, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.