Weather on March 31
Downey, CA
55 Years of Data
Avg High
73°F
Avg Low
52°F
Warmest
2011
79°F avg
Coldest
2016
49°F avg
About This Date
March 31st in Downey, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 52°F. Over 56 years of records, the warmest March 31st was in 2011 (79°F average), while the coldest was 2016 (49°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 7% of March 31st dates historically, with the wettest March 31st recording 1.73" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for March 31st in Downey, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 69° | 58° | 63° | — | — |
| 2025 | 63° | 51° | 57° | — | — |
| 2024 | 60° | 46° | 53° | — | — |
| 2023 | 63° | 43° | 53° | — | — |
| 2022 | 60° | 53° | 57° | — | — |
| 2021 | 90° | 59° | 74° | — | — |
| 2020 | 77° | 57° | 67° | — | — |
| 2019 | 82° | 62° | 72° | — | — |
| 2018 | 76° | 51° | 63° | — | — |
| 2017 | 73° | 51° | 62° | — | — |
| 2016coldest | 52° | 46° | 49° | — | — |
| 2015 | 77° | 52° | 64° | — | — |
| 2014 | 68° | 48° | 58° | — | — |
| 2013 | 66° | 52° | 59° | — | — |
| 2012 | 66° | 48° | 57° | — | — |
| 2011warmest | 91° | 67° | 79° | — | — |
| 2010 | 68° | 53° | 61° | — | — |
| 2009 | 85° | 50° | 67° | — | — |
| 2008 | 64° | 44° | 54° | — | — |
| 2007 | 83° | 47° | 65° | — | — |
| 2006 | 68° | 43° | 55° | — | — |
| 2005 | 50° | 83° | 66° | — | — |
| 2004 | 79° | 56° | 67° | — | — |
| 2003 | 93° | 58° | 75° | — | — |
| 2002 | 74° | 51° | 62° | — | — |
| 2001 | 74° | 54° | 64° | — | — |
| 2000 | 84° | 47° | 65° | — | — |
| 1999 | 67° | 48° | 57° | — | — |
| 1998 | 59° | 48° | 54° | 0.13" | — |
| 1997 | 72° | 56° | 64° | — | — |
| 1996 | 78° | 47° | 62° | — | — |
| 1995 | 82° | 52° | 67° | — | — |
| 1994 | 78° | 53° | 66° | — | — |
| 1993 | 74° | 50° | 62° | — | — |
| 1992 | 64° | 58° | 61° | 0.1" | — |
| 1991 | 78° | 54° | 66° | 1.73" | — |
| 1990 | 72° | 48° | 60° | — | — |
| 1989 | 88° | 56° | 72° | — | — |
| 1988 | 78° | 49° | 63° | — | — |
| 1987 | 84° | 56° | 70° | — | — |
| 1986 | 74° | 56° | 65° | — | — |
| 1985 | 83° | 43° | 63° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 82° | 56° | 69° | — | — |
| 1982 | 67° | 45° | 56° | — | — |
| 1981 | 71° | 49° | 60° | — | — |
| 1980 | 76° | 52° | 64° | — | — |
| 1979 | 75° | 48° | 62° | — | — |
| 1978 | 71° | 59° | 65° | 0.97" | — |
| 1977 | 63° | 42° | 52° | — | — |
| 1976 | 78° | 49° | 63° | — | — |
| 1975 | 62° | 49° | 55° | — | — |
| 1974 | 70° | 46° | 58° | — | — |
| 1973 | 65° | 45° | 55° | — | — |
| 1972 | 78° | 44° | 61° | — | — |
| 1971 | 70° | 48° | 59° | — | — |
56 years of data from MONTEBELLO