Weather on March 20
Santa Clara, CA
55 Years of Data
Avg High
67°F
Avg Low
47°F
Warmest
2026
73°F avg
Coldest
1975
46°F avg
About This Date
March 20th in Santa Clara, CA typically brings mild spring weather, with average highs around 67°F and lows near 47°F. Over 56 years of records, the warmest March 20th was in 2026 (73°F average), while the coldest was 1975 (46°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 20th dates historically, with the wettest March 20th recording 2.64" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Santa Clara, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 88° | 58° | 73° | — | — |
| 2025 | 62° | 47° | 54° | — | — |
| 2024 | 71° | 46° | 59° | — | — |
| 2023 | 61° | 49° | 55° | — | — |
| 2022 | 68° | 44° | 56° | — | — |
| 2021 | 60° | 38° | 49° | — | — |
| 2020 | 65° | 41° | 53° | — | — |
| 2019 | 64° | 46° | 55° | 0.66" | — |
| 2018 | 59° | 53° | 56° | 0.15" | — |
| 2017 | 64° | 53° | 59° | 0.56" | — |
| 2016 | 72° | 52° | 62° | 0.1" | — |
| 2015 | 72° | 48° | 60° | — | — |
| 2014 | 74° | 49° | 61° | — | — |
| 2013 | 68° | 52° | 60° | 0.18" | — |
| 2012 | 69° | 50° | 60° | — | — |
| 2011 | 56° | 45° | 50° | 0.74" | — |
| 2010 | 74° | 45° | 59° | — | — |
| 2009 | 66° | 50° | 58° | — | — |
| 2008 | 65° | 46° | 55° | — | — |
| 2007 | 60° | 49° | 54° | 0.48" | — |
| 2006 | 52° | 42° | 47° | 2.64" | — |
| 2005 | 63° | 53° | 58° | 0.36" | — |
| 2004 | 81° | 48° | 64° | — | — |
| 2003 | 62° | 47° | 54° | — | — |
| 2002 | 72° | 44° | 58° | — | — |
| 2001 | 80° | 56° | 68° | — | — |
| 2000 | 66° | 44° | 55° | — | — |
| 1999 | 59° | 45° | 52° | 1.02" | — |
| 1998 | 66° | 55° | 61° | — | — |
| 1997 | 79° | 54° | 66° | — | — |
| 1996 | 73° | 47° | 60° | — | — |
| 1995 | 59° | 52° | 55° | 1.04" | — |
| 1994 | 68° | 42° | 55° | — | — |
| 1993 | 70° | 53° | 61° | — | — |
| 1992 | 68° | 55° | 62° | 1.88" | — |
| 1991 | 55° | 45° | 50° | 0.84" | — |
| 1990 | 76° | 48° | 62° | — | — |
| 1989 | 75° | 46° | 61° | — | — |
| 1988 | 77° | 48° | 63° | — | — |
| 1987 | 63° | 37° | 50° | — | — |
| 1986 | 77° | 46° | 62° | — | — |
| 1985 | 66° | 44° | 55° | — | — |
| 1984 | 76° | 51° | 63° | — | — |
| 1983 | 65° | 50° | 57° | 0.15" | — |
| 1982 | 59° | 36° | 47° | — | — |
| 1981 | 56° | 42° | 49° | 0.15" | — |
| 1980 | 70° | 47° | 58° | — | — |
| 1979 | 64° | 45° | 54° | — | — |
| 1978 | 70° | 52° | 61° | — | — |
| 1977 | 66° | 42° | 54° | — | — |
| 1976 | 70° | 40° | 55° | — | — |
| 1975coldest | 57° | 35° | 46° | — | — |
| 1974 | 74° | 43° | 58° | — | — |
| 1973 | 58° | 41° | 49° | 1.65" | — |
| 1972 | 65° | 46° | 55° | — | — |
| 1971 | 76° | 45° | 60° | — | — |
56 years of data from SANTA CLARA UNIV