Weather on March 21
Las Vegas, NV
55 Years of Data
Avg High
75°F
Avg Low
47°F
Warmest
2026
79°F avg
Coldest
1991
43°F avg
About This Date
March 21st in Las Vegas, NV typically brings pleasant spring weather, with average highs around 75°F and lows near 47°F — a 28°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (79°F average), while the coldest was 1991 (43°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 21st dates historically, with the wettest March 21st recording 0.53" 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 March 21st in Las Vegas, NV? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 94° | 65° | 79° | — | — |
| 2025 | 76° | 47° | 61° | — | — |
| 2024 | 81° | 54° | 67° | — | — |
| 2023 | 59° | 47° | 53° | 0.46" | — |
| 2022 | 74° | 50° | 62° | — | — |
| 2021 | 67° | 52° | 59° | — | — |
| 2020 | 65° | 49° | 57° | — | — |
| 2019 | 63° | 48° | 55° | 0.03" | — |
| 2018 | 72° | 51° | 61° | — | — |
| 2017 | 83° | 68° | 75° | — | — |
| 2016 | 87° | 55° | 71° | — | — |
| 2015 | 82° | 53° | 68° | — | — |
| 2014 | 77° | 49° | 63° | — | — |
| 2013 | — | 54° | — | — | — |
| 2012 | 63° | 42° | 52° | — | — |
| 2011 | 65° | 44° | 54° | 0.25" | — |
| 2010 | 74° | 46° | 60° | — | — |
| 2009 | 85° | 56° | 70° | — | — |
| 2008 | 80° | 52° | 66° | — | — |
| 2007 | 88° | 53° | 70° | — | — |
| 2006 | 62° | 39° | 51° | 0.23" | — |
| 2005 | 69° | 47° | 58° | — | — |
| 2004 | 93° | 62° | 78° | — | — |
| 2003 | 71° | 49° | 60° | — | — |
| 2002 | 77° | 46° | 62° | — | — |
| 2001 | 81° | 49° | 65° | — | — |
| 2000 | 58° | 48° | 53° | — | — |
| 1999 | 80° | 43° | 61° | — | — |
| 1998 | 75° | 48° | 62° | — | — |
| 1997 | 89° | 54° | 71° | — | — |
| 1996 | 85° | 53° | 69° | — | — |
| 1995 | 83° | 63° | 73° | — | — |
| 1994 | 71° | 49° | 60° | — | — |
| 1993 | 75° | 49° | 62° | — | — |
| 1992 | 74° | 50° | 62° | 0.13" | — |
| 1991coldest | 50° | 36° | 43° | 0.53" | — |
| 1990 | 82° | 53° | 68° | — | — |
| 1989 | 72° | 38° | 55° | — | — |
| 1988 | 82° | 38° | 60° | — | — |
| 1987 | 61° | 36° | 48° | — | — |
| 1986 | 74° | 42° | 58° | — | — |
| 1985 | 77° | 39° | 58° | — | — |
| 1984 | 82° | 48° | 65° | — | — |
| 1983 | 62° | 48° | 55° | 0.33" | — |
| 1982 | 65° | 35° | 50° | — | — |
| 1981 | 73° | 35° | 54° | — | — |
| 1980 | 67° | 50° | 58° | — | — |
| 1979 | 61° | 42° | 51° | 0.28" | — |
| 1978 | 71° | 53° | 62° | 0.25" | — |
| 1977 | 80° | 40° | 60° | — | — |
| 1976 | 82° | 32° | 57° | — | — |
| 1975 | 75° | 44° | 60° | — | — |
| 1974 | 79° | 41° | 60° | — | — |
| 1973 | 62° | 37° | 50° | — | — |
| 1972 | 93° | 39° | 66° | — | — |
| 1971 | 85° | 29° | 57° | — | — |
56 years of data from SUNRISE MANOR LAS VEGA