Weather on December 20
Palmdale, CA
55 Years of Data
Avg High
52°F
Avg Low
38°F
Warmest
2018
61°F avg
Coldest
1990
24°F avg
About This Date
December 20th in Palmdale, CA typically brings cool winter weather, with average highs around 52°F and lows near 38°F. Over 37 years of records, the warmest December 20th was in 2018 (61°F average), while the coldest was 1990 (24°F) — a 37°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.1°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Palmdale, CA? Bring layers as temperatures can vary throughout the day.
Warming Trend
3.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 53° | 61° | — | — |
| 2024 | 71° | 52° | 61° | — | — |
| 2023 | 47° | 44° | 45° | — | — |
| 2022 | 56° | 42° | 49° | — | — |
| 2021 | 59° | 43° | 51° | — | — |
| 2020 | 65° | 53° | 59° | — | — |
| 2019 | 55° | 42° | 49° | — | — |
| 2018warmest | 69° | 53° | 61° | — | — |
| 2017 | 49° | 28° | 38° | — | — |
| 2016 | 59° | 43° | 51° | — | — |
| 2015 | 44° | 30° | 37° | — | — |
| 2014 | 52° | 42° | 47° | — | — |
| 2013 | 44° | 32° | 38° | — | — |
| 2012 | 44° | 30° | 37° | — | — |
| 2011 | 45° | 39° | 42° | — | — |
| 2010 | 47° | 37° | 42° | — | — |
| 2009 | 60° | 45° | 52° | — | — |
| 2008 | 44° | 33° | 39° | — | — |
| 2007 | 44° | 28° | 36° | — | — |
| 2006 | 50° | 31° | 40° | — | — |
| 2005 | 67° | 50° | 58° | — | — |
| 2004 | 66° | 42° | 54° | — | — |
| 2003 | 49° | 39° | 44° | — | — |
| 2002 | 37° | 32° | 35° | — | — |
| 2001 | 51° | 32° | 42° | — | — |
| 2000 | 67° | 51° | 59° | — | — |
| 1999 | 59° | 52° | 55° | — | — |
| 1998 | 37° | 22° | 29° | — | — |
| 1997 | 52° | 33° | 42° | — | — |
| 1996 | 53° | 39° | 46° | — | — |
| 1995 | 44° | 33° | 39° | — | — |
| 1994 | 58° | 46° | 52° | — | — |
| 1993 | 39° | 32° | 35° | — | — |
| 1992 | 48° | 32° | 40° | — | — |
| 1991 | 53° | 40° | 46° | — | — |
| 1990coldest | 31° | 17° | 24° | — | — |
| 1986 | 38° | 32° | 35° | — | — |
37 years of data from MILL CREEK (ANF) CALIFORNIA