Weather on March 20
Downey, CA
55 Years of Data
Avg High
72°F
Avg Low
51°F
Warmest
2026
80°F avg
Coldest
2011
48°F avg
About This Date
March 20th in Downey, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 51°F. Over 56 years of records, the warmest March 20th was in 2026 (80°F average), while the coldest was 2011 (48°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 13% of March 20th dates historically, with the wettest March 20th recording 2.54" of rain. The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.9°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Downey, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 70° | 80° | — | — |
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 71° | 53° | 62° | — | — |
| 2023 | 58° | 49° | 53° | — | — |
| 2022 | 70° | 50° | 60° | — | — |
| 2021 | 69° | 50° | 60° | — | — |
| 2020 | 65° | 47° | 56° | — | — |
| 2019 | 61° | 49° | 55° | — | — |
| 2018 | 76° | 56° | 66° | — | — |
| 2017 | 71° | 52° | 61° | — | — |
| 2016 | 72° | 53° | 62° | — | — |
| 2015 | 81° | 54° | 67° | — | — |
| 2014 | 77° | 50° | 64° | — | — |
| 2013 | 72° | 52° | 62° | — | — |
| 2012 | 72° | 46° | 59° | — | — |
| 2011coldest | 52° | 44° | 48° | — | — |
| 2010 | 85° | 51° | 68° | — | — |
| 2009 | 68° | 50° | 59° | — | — |
| 2008 | 69° | 46° | 58° | — | — |
| 2007 | 59° | 50° | 55° | — | — |
| 2006 | 69° | 45° | 57° | — | — |
| 2005 | 70° | 50° | 60° | — | — |
| 2004 | 81° | 55° | 68° | — | — |
| 2003 | 75° | 46° | 61° | — | — |
| 2002 | 82° | 50° | 66° | — | — |
| 2001 | 82° | 52° | 67° | — | — |
| 2000 | 75° | 56° | 65° | — | — |
| 1999 | 66° | 51° | 59° | 0.56" | — |
| 1998 | 77° | 52° | 64° | — | — |
| 1997 | 95° | 62° | 79° | — | — |
| 1996 | 78° | 55° | 67° | — | — |
| 1995 | 71° | 61° | 66° | — | — |
| 1994 | 74° | 56° | 65° | 1.14" | — |
| 1993 | 68° | 57° | 63° | — | — |
| 1992 | 66° | 56° | 61° | 2.54" | — |
| 1991 | 60° | 46° | 53° | 1.37" | — |
| 1990 | 90° | 56° | 73° | — | — |
| 1989 | 84° | 53° | 69° | — | — |
| 1988 | 90° | 62° | 76° | — | — |
| 1987 | 66° | 46° | 56° | — | — |
| 1986 | 76° | 54° | 65° | — | — |
| 1985 | 76° | 48° | 62° | — | — |
| 1984 | 86° | 56° | 71° | — | — |
| 1983 | 68° | 40° | 54° | — | — |
| 1982 | 70° | 44° | 57° | — | — |
| 1981 | 64° | 44° | 54° | 2.41" | — |
| 1980 | 72° | 42° | 57° | — | — |
| 1979 | 55° | 45° | 50° | 0.38" | — |
| 1978 | 72° | 63° | 67° | — | — |
| 1977 | 67° | 44° | 55° | — | — |
| 1976 | 83° | 46° | 64° | — | — |
| 1975 | 64° | 51° | 58° | — | — |
| 1974 | 63° | 53° | 58° | — | — |
| 1973 | 61° | 50° | 55° | 1.52" | — |
| 1972 | 66° | 55° | 61° | — | — |
| 1971 | 71° | 53° | 62° | — | — |
56 years of data from MONTEBELLO