Weather on August 21
Las Cruces, NM
55 Years of Data
Avg High
92°F
Avg Low
67°F
Warmest
2023
89°F avg
Coldest
2017
71°F avg
About This Date
August 21st in Las Cruces, NM typically brings hot summer weather, with average highs around 92°F and lows near 67°F — a 25°F daily swing. Over 55 years of records, the warmest August 21st was in 2023 (89°F average), while the coldest was 2017 (71°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 21st dates historically, with the wettest August 21st recording 2.01" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 21st in Las Cruces, NM? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 70° | 82° | 0.2" | — |
| 2024 | 100° | 71° | 86° | — | — |
| 2023warmest | 99° | 79° | 89° | — | — |
| 2022 | 79° | 66° | 72° | 0.89" | — |
| 2021 | 92° | 66° | 79° | — | — |
| 2020 | 102° | 66° | 84° | — | — |
| 2019 | 101° | 73° | 87° | — | — |
| 2018 | 95° | 70° | 82° | — | — |
| 2017coldest | 77° | 64° | 71° | 1.27" | — |
| 2016 | 87° | 65° | 76° | 0.05" | — |
| 2015 | 99° | 73° | 86° | — | — |
| 2014 | 92° | 64° | 78° | — | — |
| 2013 | 93° | 68° | 81° | — | — |
| 2012 | 94° | 69° | 81° | — | — |
| 2011 | 95° | 70° | 82° | — | — |
| 2010 | 99° | 71° | 85° | 0.51" | — |
| 2009 | 100° | 65° | 82° | — | — |
| 2008 | 90° | 67° | 78° | — | — |
| 2007 | 102° | 72° | 87° | — | — |
| 2006 | 85° | 66° | 75° | — | — |
| 2005 | 86° | 65° | 75° | 2.01" | — |
| 2004 | 91° | 60° | 76° | — | — |
| 2003 | 100° | 73° | 87° | — | — |
| 2002 | 92° | 67° | 79° | — | — |
| 2001 | 95° | 71° | 83° | — | — |
| 2000 | 100° | 68° | 84° | — | — |
| 1999 | 95° | 70° | 82° | — | — |
| 1998 | 89° | 69° | 79° | 0.03" | — |
| 1997 | 99° | 68° | 83° | — | — |
| 1996 | 93° | 68° | 81° | 0.13" | — |
| 1995 | 91° | 71° | 81° | — | — |
| 1994 | 97° | 68° | 82° | — | — |
| 1993 | 92° | 67° | 79° | — | — |
| 1992 | 91° | 64° | 78° | — | — |
| 1991 | 90° | 67° | 78° | — | — |
| 1990 | 92° | 66° | 79° | 0.25" | — |
| 1989 | 85° | 65° | 75° | 0.05" | — |
| 1988 | 92° | 67° | 79° | — | — |
| 1987 | 94° | 67° | 80° | — | — |
| 1986 | 98° | 62° | 80° | — | — |
| 1985 | 87° | 66° | 77° | — | — |
| 1984 | 89° | 66° | 78° | — | — |
| 1983 | 95° | 62° | 79° | — | — |
| 1982 | 95° | 68° | 82° | — | — |
| 1981 | 87° | 59° | 73° | — | — |
| 1980 | 90° | 58° | 74° | — | — |
| 1979 | 89° | 60° | 75° | — | — |
| 1978 | 85° | 64° | 74° | — | — |
| 1977 | 95° | 70° | 82° | — | — |
| 1976 | 92° | 60° | 76° | — | — |
| 1975 | 83° | 63° | 73° | 0.15" | — |
| 1974 | 91° | 62° | 77° | 0.08" | — |
| 1973 | 89° | 63° | 76° | 0.1" | — |
| 1972 | 93° | 67° | 80° | — | — |
| 1971 | 87° | 64° | 76° | — | — |
55 years of data from STATE UNIV