Weather on December 21
Sparks, NV
55 Years of Data
Avg High
46°F
Avg Low
24°F
Warmest
2025
55°F avg
Coldest
1990
0°F avg
About This Date
December 21st in Sparks, NV typically brings chilly winter weather, with average highs around 46°F and lows near 24°F. Over 55 years of records, the warmest December 21st was in 2025 (55°F average), while the coldest was 1990 (0°F) — a 55°F range across recorded history. Precipitation has occurred on 25% of recorded December 21st dates, with snow falling 7% of the time (heaviest snowfall: 2"). The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Sparks, NV? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 63° | 48° | 55° | — | — |
| 2024 | 57° | 29° | 43° | — | — |
| 2023 | 53° | 34° | 43° | — | — |
| 2022 | 54° | 26° | 40° | — | — |
| 2021 | 37° | 25° | 31° | — | — |
| 2020 | — | 18° | — | — | — |
| 2019 | 54° | 37° | 45° | — | — |
| 2018 | 62° | 38° | 50° | — | — |
| 2017 | 38° | 13° | 25° | — | — |
| 2016 | 41° | 34° | 37° | 0.56" | — |
| 2015 | 49° | 34° | 41° | 0.03" | — |
| 2014 | 62° | 46° | 54° | — | — |
| 2013 | 54° | 23° | 38° | — | — |
| 2012 | 53° | 37° | 45° | — | — |
| 2011 | 47° | 16° | 31° | — | — |
| 2010 | 45° | 20° | 32° | — | — |
| 2009 | 51° | 29° | 40° | — | — |
| 2008 | 46° | 29° | 37° | — | — |
| 2007 | 37° | 15° | 26° | — | — |
| 2006 | 37° | 20° | 28° | — | — |
| 2005 | 63° | 37° | 50° | 0.03" | — |
| 2004 | 46° | 19° | 33° | — | — |
| 2003 | 50° | 36° | 43° | 0.76" | — |
| 2002 | 40° | 31° | 35° | 0.03" | — |
| 2001 | 45° | 28° | 36° | — | — |
| 2000 | 63° | 24° | 43° | — | — |
| 1999 | 53° | 20° | 36° | — | — |
| 1998 | 19° | 0° | 10° | — | — |
| 1997 | 51° | 26° | 39° | 0.18" | 0.1" |
| 1996 | 34° | 32° | 33° | 0.79" | — |
| 1995 | 42° | 18° | 30° | — | — |
| 1994 | 53° | 25° | 39° | — | — |
| 1993 | 42° | 11° | 26° | — | — |
| 1992 | 47° | 18° | 32° | — | — |
| 1991 | 41° | 14° | 28° | — | — |
| 1990coldest | 9° | -9° | 0° | — | — |
| 1989 | 55° | 19° | 37° | — | — |
| 1988 | 39° | 26° | 33° | 0.03" | — |
| 1987 | 42° | 28° | 35° | — | — |
| 1986 | 45° | 22° | 33° | — | — |
| 1985 | 45° | 13° | 29° | — | — |
| 1984 | 40° | 15° | 27° | — | — |
| 1983 | 41° | 21° | 31° | — | — |
| 1982 | 47° | 35° | 41° | 0.94" | — |
| 1981 | 41° | 28° | 35° | 0.05" | — |
| 1980 | 55° | 23° | 39° | — | — |
| 1979 | 39° | 28° | 34° | 0.28" | 1.1" |
| 1978 | 28° | 5° | 17° | — | — |
| 1977 | 44° | 26° | 35° | 0.1" | 0.3" |
| 1976 | 47° | 5° | 26° | — | — |
| 1975 | 49° | 8° | 28° | — | — |
| 1974 | 55° | 18° | 36° | — | — |
| 1973 | 52° | 35° | 43° | 0.28" | — |
| 1972 | 60° | 28° | 44° | — | — |
| 1971 | 48° | 9° | 28° | 0.81" | 2" |
55 years of data from SPARKS