Weather on May 21
Henderson, NV
55 Years of Data
Avg High
89°F
Avg Low
63°F
Warmest
2006
91°F avg
Coldest
1975
52°F avg
About This Date
May 21st in Henderson, NV typically brings warm spring weather, with average highs around 89°F and lows near 63°F — a 26°F daily swing. Over 55 years of records, the warmest May 21st was in 2006 (91°F average), while the coldest was 1975 (52°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 21st dates historically. 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 Henderson, NV? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 75° | 86° | — | — |
| 2024 | 96° | 68° | 82° | — | — |
| 2023 | 98° | 73° | 86° | — | — |
| 2022 | 85° | 59° | 72° | — | — |
| 2021 | 67° | 52° | 59° | — | — |
| 2020 | 86° | 63° | 74° | — | — |
| 2019 | 76° | 59° | 67° | — | — |
| 2018 | 91° | 72° | 81° | — | — |
| 2017 | 90° | 64° | 77° | — | — |
| 2016 | 90° | 62° | 76° | — | — |
| 2015 | 86° | 69° | 78° | — | — |
| 2014 | — | 55° | — | — | — |
| 2013 | — | 61° | — | — | — |
| 2012 | 104° | 72° | 88° | — | — |
| 2011 | 90° | 64° | 77° | — | — |
| 2010 | 97° | 71° | 84° | — | — |
| 2009 | 104° | 78° | 91° | — | — |
| 2008 | 110° | 51° | 80° | — | — |
| 2007 | 101° | 73° | 87° | — | — |
| 2006warmest | 103° | 80° | 91° | — | — |
| 2005 | 107° | 68° | 88° | — | — |
| 2004 | 86° | 62° | 74° | — | — |
| 2003 | 100° | 71° | 86° | — | — |
| 2002 | 71° | 52° | 61° | — | — |
| 2001 | 98° | 72° | 85° | — | — |
| 2000 | 94° | 73° | 83° | — | — |
| 1999 | 91° | 52° | 71° | 0.05" | — |
| 1998 | 78° | 58° | 68° | — | — |
| 1997 | 90° | 70° | 80° | — | — |
| 1996 | 92° | 67° | 79° | — | — |
| 1995 | 87° | 72° | 79° | — | — |
| 1994 | 84° | 57° | 71° | — | — |
| 1993 | 92° | 66° | 79° | — | — |
| 1992 | 88° | 64° | 76° | — | — |
| 1991 | 82° | 56° | 69° | — | — |
| 1990 | 89° | 62° | 76° | — | — |
| 1989 | 97° | 53° | 75° | — | — |
| 1988 | 91° | 69° | 80° | — | — |
| 1987 | 80° | 52° | 66° | — | — |
| 1986 | 97° | 71° | 84° | — | — |
| 1985 | 89° | 66° | 78° | — | — |
| 1984 | 102° | 70° | 86° | — | — |
| 1983 | 92° | 61° | 76° | — | — |
| 1982 | 87° | 64° | 76° | — | — |
| 1981 | 70° | 54° | 62° | — | — |
| 1980 | 95° | 67° | 81° | — | — |
| 1979 | 81° | 61° | 71° | — | — |
| 1978 | 92° | 68° | 80° | — | — |
| 1977 | 80° | 61° | 70° | — | — |
| 1976 | 90° | 62° | 76° | — | — |
| 1975coldest | 62° | 43° | 52° | 0.03" | — |
| 1974 | 73° | 55° | 64° | — | — |
| 1973 | 91° | 67° | 79° | — | — |
| 1972 | 75° | 48° | 62° | — | — |
| 1971 | 86° | 56° | 71° | — | — |
55 years of data from BOULDER CITY