Weather on March 31
San Ramon, CA
55 Years of Data
Avg High
64°F
Avg Low
43°F
Warmest
2000
69°F avg
Coldest
1982
39°F avg
About This Date
March 31st in San Ramon, CA typically brings mild spring weather, with average highs around 64°F and lows near 43°F. Over 54 years of records, the warmest March 31st was in 2000 (69°F average), while the coldest was 1982 (39°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 31st dates historically, with the wettest March 31st recording 5.13" of rain. The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.5°F cooler on this date compared to 20-30 years ago.
Planning for March 31st in San Ramon, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 50° | 62° | 0.13" | — |
| 2025 | 60° | 42° | 51° | 0.76" | — |
| 2024 | 56° | 41° | 48° | — | — |
| 2023 | 48° | 34° | 41° | 0.1" | — |
| 2022 | 52° | 41° | 46° | — | — |
| 2021 | 69° | 49° | 59° | — | — |
| 2020 | 55° | 43° | 49° | — | — |
| 2019 | 62° | 46° | 54° | — | — |
| 2018 | 77° | 53° | 65° | — | — |
| 2017 | 70° | 40° | 55° | — | — |
| 2016 | 62° | 41° | 52° | — | — |
| 2015 | 73° | 45° | 59° | — | — |
| 2014 | 52° | 38° | 45° | — | — |
| 2013 | 63° | 46° | 54° | 0.23" | — |
| 2012 | 57° | 45° | 51° | 0.05" | — |
| 2011 | 74° | 57° | 65° | — | — |
| 2010 | 48° | 32° | 40° | 0.89" | — |
| 2009 | 62° | 42° | 52° | — | — |
| 2008 | 53° | 26° | 40° | — | — |
| 2007 | 75° | 45° | 60° | — | — |
| 2006 | 57° | 44° | 51° | — | — |
| 2005 | 72° | 45° | 58° | — | — |
| 2004 | 66° | 44° | 55° | — | — |
| 2003 | 74° | 48° | 61° | — | — |
| 2002 | 85° | 51° | 68° | — | — |
| 2001 | 79° | 50° | 64° | — | — |
| 2000warmest | 76° | 62° | 69° | — | — |
| 1999 | 52° | 38° | 45° | — | — |
| 1998 | 49° | 43° | 46° | — | — |
| 1997 | 59° | 40° | 49° | — | — |
| 1996 | 74° | 45° | 59° | — | — |
| 1995 | 67° | 45° | 56° | — | — |
| 1994 | 72° | 42° | 57° | — | — |
| 1993 | 64° | 47° | 55° | — | — |
| 1992 | 74° | 45° | 59° | — | — |
| 1991 | 59° | 47° | 53° | — | — |
| 1990 | 71° | 37° | 54° | — | — |
| 1989 | 67° | 45° | 56° | — | — |
| 1987 | 77° | 47° | 62° | — | — |
| 1985 | 69° | 51° | 60° | — | — |
| 1984 | 64° | 35° | 50° | 0.13" | — |
| 1983 | 64° | 43° | 53° | — | — |
| 1982coldest | 40° | 38° | 39° | 5.13" | — |
| 1981 | 60° | 41° | 51° | — | — |
| 1980 | 60° | 43° | 51° | — | — |
| 1979 | 58° | 39° | 48° | — | — |
| 1978 | 62° | 48° | 55° | 1.22" | — |
| 1977 | 59° | 39° | 49° | — | — |
| 1976 | 77° | 41° | 59° | 0.08" | — |
| 1975 | 65° | 30° | 47° | — | — |
| 1974 | 49° | 36° | 42° | — | — |
| 1973 | 48° | 40° | 44° | 0.76" | — |
| 1972 | 76° | 41° | 58° | — | — |
| 1971 | 57° | 35° | 46° | — | — |
54 years of data from LIVERMORE CALIFORNIA