Weather on May 21
Las Cruces, NM
55 Years of Data
Avg High
87°F
Avg Low
54°F
Warmest
2006
79°F avg
Coldest
1979
57°F avg
About This Date
May 21st in Las Cruces, NM typically brings warm spring weather, with average highs around 87°F and lows near 54°F — a 33°F daily swing. Over 55 years of records, the warmest May 21st was in 2006 (79°F average), while the coldest was 1979 (57°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 21st dates historically, with the wettest May 21st recording 1.7" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Las Cruces, NM? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 52° | 68° | — | — |
| 2024 | 94° | 56° | 75° | — | — |
| 2023 | 84° | 57° | 71° | 1.5" | — |
| 2022 | 90° | 63° | 76° | — | — |
| 2021 | 93° | 59° | 76° | — | — |
| 2020 | 87° | 52° | 69° | — | — |
| 2019 | 78° | 46° | 62° | — | — |
| 2018 | 89° | 51° | 70° | — | — |
| 2017 | 82° | 53° | 68° | — | — |
| 2016 | 88° | 55° | 71° | — | — |
| 2015 | 86° | 48° | 67° | — | — |
| 2014 | 91° | 57° | 74° | — | — |
| 2013 | 88° | 57° | 72° | — | — |
| 2012 | 92° | 61° | 76° | — | — |
| 2011 | 77° | 48° | 63° | — | — |
| 2010 | 90° | 54° | 72° | — | — |
| 2009 | 88° | 59° | 73° | — | — |
| 2008 | 101° | 58° | 79° | — | — |
| 2007 | 88° | 58° | 73° | — | — |
| 2006warmest | 97° | 62° | 79° | — | — |
| 2005 | 100° | 56° | 78° | — | — |
| 2004 | 96° | 58° | 77° | — | — |
| 2003 | 75° | 53° | 64° | — | — |
| 2002 | 90° | 55° | 72° | — | — |
| 2001 | 85° | 54° | 69° | — | — |
| 2000 | 89° | 54° | 71° | — | — |
| 1999 | 90° | 46° | 68° | — | — |
| 1998 | 94° | 56° | 75° | — | — |
| 1997 | 79° | 59° | 69° | 0.08" | — |
| 1996 | 96° | 61° | 78° | — | — |
| 1995 | 91° | 53° | 72° | — | — |
| 1994 | 90° | 63° | 76° | — | — |
| 1993 | 89° | 58° | 73° | — | — |
| 1992 | 82° | 56° | 69° | 0.05" | — |
| 1991 | 85° | 64° | 74° | 0.51" | — |
| 1990 | 83° | 48° | 65° | — | — |
| 1989 | 95° | 54° | 74° | — | — |
| 1988 | 79° | 52° | 65° | — | — |
| 1987 | 80° | 52° | 66° | — | — |
| 1986 | 92° | 55° | 73° | — | — |
| 1985 | 84° | 50° | 67° | — | — |
| 1984 | 94° | 53° | 73° | — | — |
| 1983 | 77° | 43° | 60° | 0.23" | — |
| 1982 | 89° | 52° | 70° | — | — |
| 1981 | 91° | 50° | 71° | — | — |
| 1980 | 90° | 53° | 71° | — | — |
| 1979coldest | 74° | 41° | 57° | 0.03" | — |
| 1978 | 87° | 51° | 69° | 1.7" | — |
| 1977 | 75° | 41° | 58° | — | — |
| 1976 | 83° | 56° | 69° | 0.2" | — |
| 1975 | 83° | 46° | 64° | — | — |
| 1974 | 77° | 41° | 59° | — | — |
| 1973 | 88° | 57° | 72° | — | — |
| 1972 | 91° | 55° | 73° | — | — |
| 1971 | 89° | 50° | 70° | — | — |
55 years of data from STATE UNIV