Weather on February 21
San Ramon, CA
55 Years of Data
Avg High
57°F
Avg Low
41°F
Warmest
1982
63°F avg
Coldest
2011
33°F avg
About This Date
February 21st in San Ramon, CA typically brings cool winter weather, with average highs around 57°F and lows near 41°F. Over 56 years of records, the warmest February 21st was in 1982 (63°F average), while the coldest was 2011 (33°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 21% of February 21st dates historically, with the wettest February 21st recording 3.58" of rain. The last decade has been 5.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.1°F cooler on this date compared to 20-30 years ago.
Planning for February 21st in San Ramon, CA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 46° | 35° | 41° | — | — |
| 2025 | 56° | 46° | 51° | — | — |
| 2024 | 53° | 40° | 46° | 0.18" | — |
| 2023 | 65° | 48° | 56° | — | — |
| 2022 | 58° | 31° | 44° | — | — |
| 2021 | 54° | 39° | 46° | — | — |
| 2020 | 61° | 49° | 55° | — | — |
| 2019 | 48° | 32° | 40° | 0.23" | — |
| 2018 | 47° | 31° | 39° | — | — |
| 2017 | 49° | 40° | 44° | 1.4" | — |
| 2016 | 55° | 41° | 48° | — | — |
| 2015 | 66° | 51° | 59° | — | — |
| 2014 | 60° | 51° | 56° | — | — |
| 2013 | 52° | 33° | 42° | — | — |
| 2012 | 56° | 44° | 50° | 0.08" | — |
| 2011coldest | 35° | 31° | 33° | — | — |
| 2010 | 43° | 39° | 41° | 0.03" | — |
| 2009 | 59° | 48° | 54° | — | — |
| 2008 | 50° | 32° | 41° | 0.05" | — |
| 2007 | 58° | 45° | 51° | — | — |
| 2006 | 61° | 33° | 47° | — | — |
| 2005 | 63° | 50° | 56° | — | — |
| 2004 | 47° | 35° | 41° | 0.25" | — |
| 2003 | 73° | 41° | 57° | — | — |
| 2002 | 67° | 50° | 58° | — | — |
| 2001 | 57° | 47° | 52° | — | — |
| 2000 | 62° | 46° | 54° | — | — |
| 1999 | 54° | 43° | 48° | — | — |
| 1998 | 52° | 45° | 48° | — | — |
| 1997 | 64° | 41° | 53° | — | — |
| 1996 | 55° | 41° | 48° | — | — |
| 1995 | 78° | 46° | 62° | — | — |
| 1994 | 53° | 41° | 47° | — | — |
| 1993 | 54° | 42° | 48° | — | — |
| 1992 | 60° | 50° | 55° | — | — |
| 1991 | 68° | 48° | 58° | — | — |
| 1990 | 52° | 39° | 45° | — | — |
| 1989 | 63° | 40° | 51° | — | — |
| 1988 | 67° | 45° | 56° | — | — |
| 1987 | 60° | 35° | 48° | — | — |
| 1986 | 53° | 40° | 46° | 0.2" | — |
| 1985 | 63° | 41° | 52° | — | — |
| 1984 | 59° | 28° | 44° | 0.66" | — |
| 1983 | 65° | 43° | 54° | — | — |
| 1982warmest | 72° | 54° | 63° | — | — |
| 1981 | 63° | 33° | 48° | — | — |
| 1980 | 48° | 42° | 45° | 3.1" | — |
| 1979 | 45° | 37° | 41° | 3.58" | — |
| 1978 | 65° | 49° | 57° | — | — |
| 1977 | 57° | 45° | 51° | 1.35" | — |
| 1976 | 57° | 40° | 48° | — | — |
| 1975 | 50° | 34° | 42° | — | — |
| 1974 | 56° | 37° | 46° | — | — |
| 1973 | 67° | 44° | 55° | — | — |
| 1972 | 60° | 43° | 51° | — | — |
| 1971 | 54° | 34° | 44° | — | — |
56 years of data from LIVERMORE CALIFORNIA