Weather on May 31
Downey, CA
55 Years of Data
Avg High
79°F
Avg Low
57°F
Warmest
2000
78°F avg
Coldest
2023
59°F avg
About This Date
May 31st in Downey, CA typically brings pleasant spring weather, with average highs around 79°F and lows near 57°F. Over 55 years of records, the warmest May 31st was in 2000 (78°F average), while the coldest was 2023 (59°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in Downey, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 59° | 75° | — | — |
| 2024 | 75° | 55° | 65° | — | — |
| 2023coldest | 64° | 54° | 59° | — | — |
| 2022 | 78° | 54° | 66° | — | — |
| 2021 | 77° | 57° | 67° | — | — |
| 2020 | 84° | 55° | 70° | — | — |
| 2019 | 75° | 56° | 65° | — | — |
| 2018 | 71° | 56° | 63° | — | — |
| 2017 | 67° | 56° | 61° | — | — |
| 2016 | 68° | 60° | 64° | — | — |
| 2015 | 78° | 55° | 67° | — | — |
| 2014 | 85° | 57° | 71° | — | — |
| 2013 | 84° | 58° | 71° | — | — |
| 2012 | 87° | 55° | 71° | — | — |
| 2011 | 85° | 49° | 67° | — | — |
| 2010 | 79° | 60° | 69° | — | — |
| 2009 | 80° | 58° | 69° | — | — |
| 2008 | 79° | 51° | 65° | — | — |
| 2007 | 76° | 50° | 63° | — | — |
| 2006 | 88° | 40° | 64° | — | — |
| 2005 | 82° | 59° | 71° | — | — |
| 2004 | 93° | 53° | 73° | — | — |
| 2003 | 82° | 59° | 71° | — | — |
| 2002 | 83° | 57° | 70° | — | — |
| 2001 | 85° | 60° | 72° | — | — |
| 2000warmest | 92° | 64° | 78° | — | — |
| 1999 | 76° | 57° | 66° | — | — |
| 1998 | 79° | 57° | 68° | — | — |
| 1997 | 86° | 67° | 76° | — | — |
| 1996 | 79° | 54° | 66° | — | — |
| 1995 | 87° | 60° | 74° | — | — |
| 1994 | 94° | 60° | 77° | — | — |
| 1993 | 84° | 58° | 71° | — | — |
| 1992 | 82° | 61° | 71° | — | — |
| 1991 | 72° | 60° | 66° | — | — |
| 1990 | 74° | 54° | 64° | — | — |
| 1989 | 84° | 54° | 69° | — | — |
| 1988 | 77° | 54° | 65° | — | — |
| 1987 | 86° | 58° | 72° | — | — |
| 1986 | 78° | 62° | 70° | — | — |
| 1985 | 72° | 60° | 66° | — | — |
| 1984 | 82° | 66° | 74° | — | — |
| 1983 | 74° | 62° | 68° | — | — |
| 1982 | 76° | 54° | 65° | — | — |
| 1981 | 82° | 61° | 71° | — | — |
| 1980 | 70° | 55° | 62° | — | — |
| 1979 | 73° | 56° | 64° | — | — |
| 1978 | 70° | 61° | 65° | — | — |
| 1977 | 80° | 62° | 71° | — | — |
| 1976 | 76° | 55° | 65° | — | — |
| 1975 | 72° | 60° | 66° | — | — |
| 1974 | 69° | 58° | 63° | — | — |
| 1973 | 70° | 63° | 66° | — | — |
| 1972 | 88° | 64° | 76° | — | — |
| 1971 | 69° | 53° | 61° | — | — |
55 years of data from MONTEBELLO