Weather on May 21
Las Vegas, NV
55 Years of Data
About This Date
May 21st in Las Vegas, NV typically brings hot spring weather, with average highs around 91°F and lows near 61°F — a 30°F daily swing. Over 56 years of records, the warmest May 21st was in 2001 (88°F average), while the coldest was 1975 (55°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 21st dates historically. The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.7°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Las Vegas, NV? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 92° | 65° | 78° | — | — |
| 2025 | 97° | 67° | 82° | — | — |
| 2024 | 85° | 68° | 76° | — | — |
| 2023 | 95° | 72° | 83° | — | — |
| 2022 | 85° | 61° | 73° | — | — |
| 2021 | 69° | 55° | 62° | — | — |
| 2020 | 87° | 65° | 76° | — | — |
| 2019 | 75° | 55° | 65° | — | — |
| 2018 | 85° | 73° | 79° | 0.03" | — |
| 2017 | 96° | 63° | 79° | — | — |
| 2016 | 95° | 59° | 77° | — | — |
| 2015 | 85° | 63° | 74° | — | — |
| 2014 | 79° | 57° | 68° | — | — |
| 2013 | 89° | 64° | 77° | — | — |
| 2012 | 100° | 69° | 85° | — | — |
| 2011 | 80° | 60° | 70° | — | — |
| 2010 | 93° | 65° | 79° | — | — |
| 2009 | 98° | 72° | 85° | — | — |
| 2008 | 82° | 62° | 72° | — | — |
| 2007 | 98° | 72° | 85° | — | — |
| 2006 | 98° | 73° | 86° | — | — |
| 2005 | 101° | 71° | 86° | — | — |
| 2004 | 88° | 62° | 75° | — | — |
| 2003 | 98° | 68° | 83° | — | — |
| 2002 | 80° | 54° | 67° | — | — |
| 2001warmest | 102° | 74° | 88° | — | — |
| 2000 | 97° | 67° | 82° | — | — |
| 1999 | 93° | 63° | 78° | — | — |
| 1998 | 87° | 60° | 74° | — | — |
| 1997 | 94° | 66° | 80° | — | — |
| 1996 | 94° | 64° | 79° | — | — |
| 1995 | 92° | 65° | 78° | — | — |
| 1994 | 82° | 56° | 69° | — | — |
| 1993 | 95° | 63° | 79° | — | — |
| 1992 | 89° | 67° | 78° | — | — |
| 1991 | 86° | 57° | 72° | — | — |
| 1990 | 87° | 59° | 73° | — | — |
| 1989 | 99° | 74° | 86° | — | — |
| 1988 | 92° | 53° | 72° | — | — |
| 1987 | 83° | 57° | 70° | — | — |
| 1986 | 98° | 69° | 84° | — | — |
| 1985 | 97° | 66° | 81° | — | — |
| 1984 | 100° | 74° | 87° | — | — |
| 1983 | 101° | 49° | 75° | — | — |
| 1982 | 97° | 52° | 74° | — | — |
| 1981 | 89° | 51° | 70° | — | — |
| 1980 | 98° | 54° | 76° | — | — |
| 1979 | 93° | 62° | 78° | — | — |
| 1978 | 101° | 51° | 76° | — | — |
| 1977 | 93° | 44° | 69° | — | — |
| 1976 | 93° | 49° | 71° | — | — |
| 1975coldest | 74° | 36° | 55° | — | — |
| 1974 | 89° | 41° | 65° | — | — |
| 1973 | 93° | 63° | 78° | — | — |
| 1972 | 83° | 39° | 61° | — | — |
| 1971 | 74° | 46° | 60° | — | — |
Las Vegas, NV Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Las Vegas, NV Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Las Vegas, NV 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 Vegas, NV
Las Vegas, NV has no months that meet our "pleasant" threshold — every season has tradeoffs.