Weather on November 21
San Ramon, CA
55 Years of Data
Avg High
58°F
Avg Low
44°F
Warmest
1989
62°F avg
Coldest
2010
37°F avg
About This Date
November 21st in San Ramon, CA typically brings cool fall weather, with average highs around 58°F and lows near 44°F. Over 53 years of records, the warmest November 21st was in 1989 (62°F average), while the coldest was 2010 (37°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 28% of November 21st dates historically, with the wettest November 21st recording 4.9" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for November 21st in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 44° | 47° | — | — |
| 2024 | 57° | 50° | 54° | 0.15" | — |
| 2023 | 58° | 43° | 50° | — | — |
| 2022 | 61° | 48° | 54° | — | — |
| 2021 | 59° | 49° | 54° | — | — |
| 2020 | 61° | 45° | 53° | — | — |
| 2019 | 60° | 43° | 51° | — | — |
| 2018 | 62° | 51° | 57° | 0.15" | — |
| 2017 | 65° | 56° | 60° | — | — |
| 2016 | 52° | 43° | 47° | — | — |
| 2015 | 66° | 50° | 58° | — | — |
| 2014 | 50° | 42° | 46° | 1.07" | — |
| 2013 | 54° | 50° | 52° | 2.39" | — |
| 2012 | 55° | 50° | 53° | 1.98" | — |
| 2011 | 47° | 39° | 43° | 0.05" | — |
| 2010coldest | 41° | 34° | 37° | 2.24" | — |
| 2009 | 45° | 36° | 40° | 1.19" | — |
| 2008 | 57° | 48° | 53° | — | — |
| 2007 | 57° | 36° | 46° | — | — |
| 2006 | 69° | 48° | 59° | — | — |
| 2005 | 74° | 47° | 60° | — | — |
| 2004 | 59° | 47° | 53° | — | — |
| 2003 | 58° | 38° | 48° | — | — |
| 2002 | 71° | 50° | 61° | — | — |
| 2001 | 65° | 48° | 56° | — | — |
| 2000 | 53° | 41° | 47° | — | — |
| 1999 | 57° | 44° | 51° | — | — |
| 1998 | 65° | 46° | 55° | — | — |
| 1997 | 57° | 45° | 51° | — | — |
| 1996 | 62° | 53° | 58° | — | — |
| 1995 | 65° | 52° | 58° | — | — |
| 1994 | 57° | 45° | 51° | — | — |
| 1993 | 54° | 41° | 47° | — | — |
| 1992 | 62° | 44° | 53° | — | — |
| 1991 | 51° | 48° | 50° | — | — |
| 1990 | 59° | 45° | 52° | — | — |
| 1989warmest | 75° | 48° | 62° | — | — |
| 1988 | 50° | 36° | 43° | 0.1" | — |
| 1985 | 52° | 28° | 40° | 0.05" | — |
| 1984 | 46° | 37° | 42° | — | — |
| 1983 | 45° | 35° | 40° | 0.3" | — |
| 1982 | 54° | 35° | 44° | — | — |
| 1981 | 60° | 52° | 56° | — | — |
| 1980 | 65° | 54° | 59° | — | — |
| 1979 | 54° | 34° | 44° | — | — |
| 1978 | 51° | 42° | 47° | 4.9" | — |
| 1977 | 53° | 38° | 45° | 2.36" | — |
| 1976 | 68° | 43° | 55° | — | — |
| 1975 | 54° | 43° | 48° | — | — |
| 1974 | 61° | 39° | 50° | 1.27" | — |
| 1973 | 45° | 34° | 39° | 0.13" | — |
| 1972 | 57° | 39° | 48° | — | — |
| 1971 | 65° | 46° | 55° | — | — |
53 years of data from LIVERMORE CALIFORNIA