Weather on May 20
Palmdale, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2000
72°F avg
Coldest
2002
37°F avg
About This Date
May 20th in Palmdale, CA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 39 years of records, the warmest May 20th was in 2000 (72°F average), while the coldest was 2002 (37°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Palmdale, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 55° | 67° | — | — |
| 2024 | 60° | 49° | 54° | — | — |
| 2023 | 75° | 60° | 68° | — | — |
| 2022 | 68° | 44° | 56° | — | — |
| 2021 | 62° | 41° | 52° | — | — |
| 2020 | 66° | 40° | 53° | — | — |
| 2019 | 53° | 36° | 44° | — | — |
| 2018 | 65° | 47° | 56° | — | — |
| 2017 | 79° | 54° | 66° | — | — |
| 2016 | 53° | 38° | 45° | — | — |
| 2015 | 58° | 43° | 50° | — | — |
| 2014 | 52° | 40° | 46° | — | — |
| 2013 | 79° | 57° | 68° | — | — |
| 2012 | 80° | 63° | 71° | — | — |
| 2011 | 69° | 46° | 58° | — | — |
| 2010 | 76° | 51° | 63° | — | — |
| 2009 | 72° | 57° | 64° | — | — |
| 2008 | 77° | 56° | 66° | — | — |
| 2007 | 77° | 57° | 67° | — | — |
| 2006 | 68° | 53° | 61° | — | — |
| 2005 | 78° | 61° | 69° | — | — |
| 2004 | 57° | 41° | 49° | — | — |
| 2003 | 82° | 61° | 71° | — | — |
| 2002coldest | 42° | 32° | 37° | — | — |
| 2001 | 83° | 61° | 72° | — | — |
| 2000warmest | 84° | 61° | 72° | — | — |
| 1999 | 62° | 45° | 53° | — | — |
| 1998 | 57° | 41° | 49° | — | — |
| 1997 | 74° | 56° | 65° | — | — |
| 1996 | 72° | 44° | 58° | — | — |
| 1995 | 63° | 50° | 57° | — | — |
| 1994 | 65° | 39° | 52° | — | — |
| 1993 | 71° | 56° | 63° | — | — |
| 1992 | 67° | 49° | 58° | — | — |
| 1991 | 63° | 44° | 53° | — | — |
| 1990 | 60° | 39° | 49° | — | — |
| 1989 | 73° | 56° | 64° | — | — |
| 1987 | 42° | 35° | 38° | — | — |
| 1986 | 69° | 51° | 60° | — | — |
39 years of data from MILL CREEK (ANF) CALIFORNIA