Weather on March 21
Las Cruces, NM
55 Years of Data
About This Date
March 21st in Las Cruces, NM typically brings pleasant spring weather, with average highs around 73°F and lows near 40°F — a 33°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (72°F average), while the coldest was 2010 (41°F) — a 31°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 March 21st in Las Cruces, NM? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 94° | 50° | 72° | — | — |
| 2025 | 67° | 32° | 49° | — | — |
| 2024 | 68° | 47° | 57° | — | — |
| 2023 | 71° | 34° | 52° | — | — |
| 2022 | 79° | 40° | 59° | — | — |
| 2021 | 82° | 44° | 63° | — | — |
| 2020 | 68° | 37° | 53° | — | — |
| 2019 | 72° | 43° | 57° | — | — |
| 2018 | 71° | 38° | 54° | — | — |
| 2017 | 87° | 51° | 69° | — | — |
| 2016 | 67° | 42° | 54° | — | — |
| 2015 | 71° | 44° | 58° | — | — |
| 2014 | 77° | 42° | 60° | — | — |
| 2013 | 71° | 44° | 58° | — | — |
| 2012 | 59° | 27° | 43° | — | — |
| 2011 | 80° | 44° | 62° | — | — |
| 2010coldest | 54° | 28° | 41° | — | — |
| 2009 | 79° | 50° | 64° | — | — |
| 2008 | 80° | 35° | 58° | — | — |
| 2007 | 82° | 44° | 63° | — | — |
| 2006 | 57° | 31° | 44° | — | — |
| 2005 | 68° | 41° | 55° | — | — |
| 2004 | 89° | 49° | 69° | — | — |
| 2003 | 65° | 43° | 54° | — | — |
| 2002 | 70° | 36° | 53° | — | — |
| 2001 | 76° | 40° | 58° | — | — |
| 2000 | 77° | 37° | 57° | — | — |
| 1999 | 79° | 34° | 56° | — | — |
| 1998 | 70° | 44° | 57° | — | — |
| 1997 | 82° | 41° | 62° | — | — |
| 1996 | 71° | 36° | 53° | — | — |
| 1995 | 80° | 45° | 62° | — | — |
| 1994 | 69° | 40° | 54° | — | — |
| 1993 | 76° | 44° | 60° | — | — |
| 1992 | 73° | 42° | 58° | — | — |
| 1991 | 68° | 42° | 55° | — | — |
| 1990 | 76° | 41° | 58° | — | — |
| 1989 | 78° | 30° | 54° | — | — |
| 1988 | 77° | 29° | 53° | — | — |
| 1987 | 70° | 38° | 54° | — | — |
| 1986 | 67° | 32° | 49° | — | — |
| 1985 | 65° | 37° | 51° | — | — |
| 1984 | 75° | 36° | 55° | — | — |
| 1983 | 61° | 34° | 47° | — | — |
| 1982 | 67° | 37° | 52° | — | — |
| 1981 | 70° | 37° | 53° | — | — |
| 1980 | 68° | 31° | 49° | — | — |
| 1979 | 75° | 41° | 58° | — | — |
| 1978 | 79° | 50° | 64° | — | — |
| 1977 | 71° | 32° | 52° | — | — |
| 1976 | 69° | 35° | 52° | — | — |
| 1975 | 78° | 48° | 63° | — | — |
| 1974 | 67° | 45° | 56° | — | — |
| 1973 | 72° | 42° | 57° | — | — |
| 1972 | 79° | 44° | 61° | — | — |
| 1971 | 77° | 34° | 55° | — | — |
Las Cruces, NM Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Las Cruces, NM Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Las Cruces, NM Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Las Cruces, NM
Las Cruces, NM has no months that meet our "pleasant" threshold — every season has tradeoffs.