Weather on March 20
San Ramon, CA
55 Years of Data
Avg High
64°F
Avg Low
44°F
Warmest
2026
72°F avg
Coldest
1982
37°F avg
About This Date
March 20th in San Ramon, CA typically brings mild spring weather, with average highs around 64°F and lows near 44°F. Over 55 years of records, the warmest March 20th was in 2026 (72°F average), while the coldest was 1982 (37°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 20th dates historically, with the wettest March 20th recording 3.73" of rain. The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.2°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in San Ramon, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 54° | 72° | — | — |
| 2025 | 58° | 38° | 48° | — | — |
| 2024 | 72° | 43° | 57° | — | — |
| 2023 | 48° | 38° | 43° | 0.48" | — |
| 2022 | 66° | 41° | 54° | 0.08" | — |
| 2021 | 51° | 35° | 43° | — | — |
| 2020 | 53° | 38° | 45° | — | — |
| 2019 | 64° | 42° | 53° | 1.47" | — |
| 2018 | 57° | 43° | 50° | 0.08" | — |
| 2017 | 63° | 45° | 54° | — | — |
| 2016 | 68° | 46° | 57° | 1.17" | — |
| 2015 | 75° | 55° | 65° | — | — |
| 2014 | 69° | 50° | 60° | — | — |
| 2013 | 66° | 45° | 55° | 0.53" | — |
| 2012 | 50° | 35° | 43° | — | — |
| 2011 | 41° | 36° | 38° | 3.73" | — |
| 2010 | 73° | 52° | 62° | — | — |
| 2009 | 69° | 46° | 58° | — | — |
| 2008 | 66° | 34° | 50° | — | — |
| 2007 | 61° | 46° | 53° | — | — |
| 2006 | 51° | 40° | 45° | — | — |
| 2005 | 57° | 50° | 54° | — | — |
| 2004 | 83° | 50° | 66° | — | — |
| 2003 | 62° | 47° | 54° | — | — |
| 2002 | 68° | 46° | 57° | — | — |
| 2001 | 81° | 58° | 69° | — | — |
| 2000 | 61° | 44° | 52° | — | — |
| 1999 | 59° | 44° | 52° | — | — |
| 1998 | 60° | 51° | 56° | — | — |
| 1997 | 76° | 53° | 64° | — | — |
| 1996 | 77° | 47° | 62° | — | — |
| 1995 | 57° | 46° | 52° | — | — |
| 1994 | 67° | 42° | 54° | — | — |
| 1993 | 67° | 47° | 57° | — | — |
| 1992 | 62° | 50° | 56° | — | — |
| 1991 | 50° | 41° | 46° | — | — |
| 1990 | 65° | 49° | 57° | — | — |
| 1989 | 64° | 45° | 54° | 0.03" | — |
| 1987 | 52° | 31° | 41° | — | — |
| 1986 | 69° | 41° | 55° | — | — |
| 1985 | 63° | 42° | 52° | 0.03" | — |
| 1984 | 73° | 53° | 63° | — | — |
| 1983 | 59° | 41° | 50° | — | — |
| 1982coldest | 42° | 32° | 37° | — | — |
| 1981 | 48° | 37° | 43° | 1.55" | — |
| 1980 | 67° | 43° | 55° | — | — |
| 1979 | 62° | 41° | 52° | — | — |
| 1978 | 71° | 54° | 62° | — | — |
| 1977 | 65° | 40° | 52° | — | — |
| 1976 | 68° | 37° | 53° | — | — |
| 1975 | 56° | 37° | 46° | — | — |
| 1974 | 72° | 50° | 61° | — | — |
| 1973 | 49° | 31° | 40° | 1.91" | — |
| 1972 | 78° | 49° | 63° | — | — |
| 1971 | 71° | 47° | 59° | — | — |
55 years of data from LIVERMORE CALIFORNIA