Weather on April 21
Downey, CA
55 Years of Data
About This Date
April 21st in Downey, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 52°F — a 26°F daily swing. Over 56 years of records, the warmest April 21st was in 2009 (86°F average), while the coldest was 2010 (53°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 21st dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for April 21st in Downey, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 71° | 53° | 62° | — | — |
| 2025 | 74° | 51° | 62° | — | — |
| 2024 | 75° | 50° | 63° | — | — |
| 2023 | 87° | 63° | 75° | — | — |
| 2022 | 68° | 49° | 58° | — | — |
| 2021 | 65° | 53° | 59° | — | — |
| 2020 | 71° | 50° | 61° | — | — |
| 2019 | 74° | 50° | 62° | — | — |
| 2018 | 87° | 56° | 71° | — | — |
| 2017 | 90° | 57° | 73° | — | — |
| 2016 | 82° | 53° | 68° | — | — |
| 2015 | 68° | 53° | 61° | — | — |
| 2014 | 83° | 53° | 68° | — | — |
| 2013 | 82° | 53° | 68° | — | — |
| 2012 | 83° | 53° | 68° | — | — |
| 2011 | 71° | 49° | 60° | — | — |
| 2010coldest | 61° | 46° | 53° | — | — |
| 2009warmest | 102° | 70° | 86° | — | — |
| 2008 | 101° | 46° | 73° | — | — |
| 2007 | 75° | 45° | 60° | — | — |
| 2006 | 84° | 57° | 71° | — | — |
| 2005 | 82° | 51° | 67° | — | — |
| 2004 | 75° | 55° | 65° | — | — |
| 2003 | 80° | 48° | 64° | — | — |
| 2002 | 79° | 47° | 63° | — | — |
| 2001 | 69° | 41° | 55° | — | — |
| 2000 | 61° | 52° | 56° | — | — |
| 1999 | 74° | 57° | 65° | — | — |
| 1998 | 93° | 54° | 73° | — | — |
| 1997 | 84° | 60° | 72° | — | — |
| 1996 | 71° | 51° | 61° | — | — |
| 1995 | 69° | 46° | 58° | — | — |
| 1994 | 70° | 58° | 64° | — | — |
| 1993 | 90° | 52° | 71° | — | — |
| 1992 | 85° | 58° | 71° | — | — |
| 1991 | 72° | 54° | 63° | 0.01" | — |
| 1990 | 76° | 56° | 66° | — | — |
| 1989 | 82° | 60° | 71° | — | — |
| 1988 | 68° | 46° | 57° | — | — |
| 1987 | 94° | 54° | 74° | — | — |
| 1986 | 92° | 58° | 75° | — | — |
| 1985 | 64° | 48° | 56° | — | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 68° | 54° | 61° | 0.32" | — |
| 1982 | 90° | 58° | 74° | — | — |
| 1981 | 80° | 46° | 63° | — | — |
| 1980 | 76° | 50° | 63° | — | — |
| 1979 | 79° | 51° | 65° | — | — |
| 1978 | 70° | 53° | 61° | — | — |
| 1977 | 79° | 50° | 64° | — | — |
| 1976 | 68° | 52° | 60° | — | — |
| 1975 | 64° | 54° | 59° | — | — |
| 1974 | 79° | 50° | 64° | — | — |
| 1973 | 81° | 44° | 62° | — | — |
| 1972 | 79° | 48° | 63° | — | — |
| 1971 | 66° | 45° | 55° | — | — |
Downey, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Downey, CA Monthly Precipitation
Average rainfall per month, in inches.
Downey, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Downey, CA
Most pleasant months in Downey, CA: January, February, March, April, May, June, October, November, December.
What to expect on April 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
April 21st outlook →