Weather on December 21
Henderson, NV
55 Years of Data
Avg High
56°F
Avg Low
40°F
Warmest
1981
60°F avg
Coldest
1990
30°F avg
About This Date
December 21st in Henderson, NV typically brings cool winter weather, with average highs around 56°F and lows near 40°F. Over 55 years of records, the warmest December 21st was in 1981 (60°F average), while the coldest was 1990 (30°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 9% of December 21st dates historically. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Henderson, NV? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 51° | 57° | — | — |
| 2024 | 68° | 45° | 56° | — | — |
| 2023 | 65° | 47° | 56° | — | — |
| 2022 | 55° | 38° | 46° | — | — |
| 2021 | 55° | 37° | 46° | — | — |
| 2020 | 60° | 43° | 51° | — | — |
| 2019 | 56° | 42° | 49° | — | — |
| 2018 | 63° | 48° | 55° | — | — |
| 2017 | 62° | 39° | 51° | — | — |
| 2016 | 57° | 44° | 51° | 0.03" | — |
| 2015 | 55° | 40° | 47° | — | — |
| 2014 | 57° | 37° | 47° | — | — |
| 2013 | 60° | — | — | — | — |
| 2012 | 50° | 31° | 40° | — | — |
| 2011 | 59° | 35° | 47° | — | — |
| 2010 | 54° | 50° | 52° | 0.36" | — |
| 2009 | 54° | 37° | 45° | — | — |
| 2008 | 49° | 37° | 43° | — | — |
| 2007 | 60° | 34° | 47° | — | — |
| 2006 | 50° | 35° | 43° | — | — |
| 2005 | 68° | 52° | 60° | — | — |
| 2004 | 61° | 46° | 53° | — | — |
| 2003 | 57° | 44° | 51° | — | — |
| 2002 | 40° | 36° | 38° | 0.08" | — |
| 2001 | 55° | 41° | 48° | — | — |
| 2000 | 59° | 36° | 47° | — | — |
| 1999 | 62° | 45° | 53° | — | — |
| 1998 | 49° | 32° | 40° | — | — |
| 1997 | 50° | 40° | 45° | — | — |
| 1996 | 53° | 44° | 49° | — | — |
| 1995 | 52° | 39° | 45° | — | — |
| 1994 | 60° | 44° | 52° | — | — |
| 1993 | 52° | 32° | 42° | — | — |
| 1992 | 46° | 28° | 37° | — | — |
| 1991 | 58° | 42° | 50° | — | — |
| 1990coldest | 37° | 23° | 30° | — | — |
| 1989 | 59° | 37° | 48° | — | — |
| 1988 | 54° | 40° | 47° | 0.13" | — |
| 1987 | 51° | 33° | 42° | — | — |
| 1986 | 56° | 43° | 49° | — | — |
| 1985 | 63° | 42° | 52° | — | — |
| 1984 | 49° | 32° | 40° | — | — |
| 1983 | 52° | 36° | 44° | — | — |
| 1982 | 62° | 41° | 52° | — | — |
| 1981warmest | 72° | 49° | 60° | — | — |
| 1980 | 63° | 44° | 53° | — | — |
| 1979 | 61° | 41° | 51° | 0.03" | — |
| 1978 | 45° | 33° | 39° | — | — |
| 1977 | 46° | 39° | 43° | — | — |
| 1976 | 55° | 36° | 45° | — | — |
| 1975 | 59° | 41° | 50° | — | — |
| 1974 | 52° | 41° | 46° | — | — |
| 1973 | 52° | 32° | 42° | — | — |
| 1972 | 65° | 44° | 54° | — | — |
| 1971 | 49° | 36° | 42° | — | — |
55 years of data from BOULDER CITY