Weather on May 21
Palmdale, CA
55 Years of Data
Avg High
67°F
Avg Low
48°F
Warmest
2000
76°F avg
Coldest
1987
41°F avg
About This Date
May 21st in Palmdale, CA typically brings mild spring weather, with average highs around 67°F and lows near 48°F. Over 39 years of records, the warmest May 21st was in 2000 (76°F average), while the coldest was 1987 (41°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Palmdale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 60° | 69° | — | — |
| 2024 | 71° | 45° | 58° | — | — |
| 2023 | 76° | 61° | 68° | — | — |
| 2022 | 66° | 41° | 54° | — | — |
| 2021 | 55° | 36° | 45° | — | — |
| 2020 | 70° | 46° | 58° | — | — |
| 2019 | 49° | 39° | 44° | — | — |
| 2018 | 53° | 43° | 48° | — | — |
| 2017 | 77° | 61° | 69° | — | — |
| 2016 | 50° | 35° | 43° | — | — |
| 2015 | 49° | 40° | 44° | — | — |
| 2014 | 58° | 42° | 50° | — | — |
| 2013 | 73° | 58° | 65° | — | — |
| 2012 | 80° | 65° | 72° | — | — |
| 2011 | 67° | 51° | 59° | — | — |
| 2010 | 70° | 42° | 56° | — | — |
| 2009 | 70° | 55° | 62° | — | — |
| 2008 | 61° | 46° | 53° | — | — |
| 2007 | 64° | 49° | 56° | — | — |
| 2006 | 63° | 42° | 52° | — | — |
| 2005 | 81° | 61° | 71° | — | — |
| 2004 | 57° | 43° | 50° | — | — |
| 2003 | 82° | 65° | 73° | — | — |
| 2002 | 55° | 32° | 44° | — | — |
| 2001 | 88° | 64° | 76° | — | — |
| 2000warmest | 85° | 67° | 76° | — | — |
| 1999 | 69° | 43° | 56° | — | — |
| 1998 | 60° | 39° | 50° | — | — |
| 1997 | 70° | 51° | 61° | — | — |
| 1996 | 70° | 46° | 58° | — | — |
| 1995 | 61° | 44° | 53° | — | — |
| 1994 | 65° | 44° | 55° | — | — |
| 1993 | 71° | 53° | 62° | — | — |
| 1992 | 80° | 51° | 66° | — | — |
| 1991 | 65° | 47° | 56° | — | — |
| 1990 | 65° | 50° | 58° | — | — |
| 1989 | 71° | 55° | 63° | — | — |
| 1987coldest | 47° | 35° | 41° | — | — |
| 1986 | 58° | 44° | 51° | — | — |
39 years of data from MILL CREEK (ANF) CALIFORNIA