Weather on December 17
Downey, CA
55 Years of Data
About This Date
December 17th in Downey, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 48°F. Over 55 years of records, the warmest December 17th was in 2023 (71°F average), while the coldest was 2008 (44°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 17th dates historically, with the wettest December 17th recording 1.78" 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 December 17th in Downey, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 51° | 60° | — | — |
| 2024 | 74° | 52° | 63° | — | — |
| 2023warmest | 80° | 63° | 71° | — | — |
| 2022 | 64° | 50° | 57° | — | — |
| 2021 | 65° | 47° | 56° | — | — |
| 2020 | 64° | 50° | 57° | — | — |
| 2019 | 68° | 50° | 59° | — | — |
| 2018 | 65° | 52° | 58° | — | — |
| 2017 | 72° | 55° | 63° | — | — |
| 2016 | 59° | 45° | 52° | — | — |
| 2015 | 69° | 46° | 58° | — | — |
| 2014 | 65° | 49° | 57° | — | — |
| 2013 | 76° | 50° | 63° | — | — |
| 2012 | 63° | 50° | 56° | — | — |
| 2011 | 67° | 53° | 60° | — | — |
| 2010 | 54° | 48° | 51° | — | — |
| 2009 | 78° | 55° | 67° | — | — |
| 2008coldest | 48° | 40° | 44° | — | — |
| 2007 | 62° | 46° | 54° | — | — |
| 2006 | 59° | 40° | 49° | — | — |
| 2005 | 77° | 44° | 61° | — | — |
| 2004 | 76° | 58° | 67° | — | — |
| 2003 | 80° | 52° | 66° | — | — |
| 2002 | 58° | 46° | 52° | — | — |
| 2001 | 68° | 47° | 57° | — | — |
| 2000 | 83° | 48° | 65° | — | — |
| 1999 | 83° | 49° | 66° | — | — |
| 1998 | 85° | 50° | 67° | — | — |
| 1997 | 72° | 47° | 59° | — | — |
| 1996 | 79° | 47° | 63° | — | — |
| 1995 | 71° | 44° | 58° | — | — |
| 1994 | 78° | 48° | 63° | — | — |
| 1993 | 69° | 47° | 58° | — | — |
| 1992 | 65° | 45° | 55° | — | — |
| 1991 | 76° | 56° | 66° | — | — |
| 1990 | 78° | 40° | 59° | — | — |
| 1989 | 70° | 42° | 56° | — | — |
| 1988 | 64° | 49° | 56° | 0.05" | — |
| 1987 | 52° | 42° | 47° | 1.42" | — |
| 1986 | 77° | 50° | 64° | — | — |
| 1985 | 84° | 48° | 66° | — | — |
| 1984 | 58° | 46° | 52° | — | — |
| 1983 | 64° | 56° | 60° | 0.1" | — |
| 1982 | 70° | 40° | 55° | — | — |
| 1981 | 80° | 31° | 55° | — | — |
| 1980 | 78° | 50° | 64° | — | — |
| 1979 | 78° | 52° | 65° | — | — |
| 1978 | 59° | 52° | 55° | 1.78" | — |
| 1977 | 62° | 51° | 57° | 0.1" | — |
| 1976 | 75° | 45° | 60° | — | — |
| 1975 | 63° | 42° | 52° | — | — |
| 1974 | 69° | 45° | 57° | — | — |
| 1973 | 67° | 42° | 54° | — | — |
| 1972 | 66° | 46° | 56° | — | — |
| 1971 | 73° | 41° | 57° | — | — |
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
Downey, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.