Weather on December 21
Reno, NV
55 Years of Data
Avg High
45°F
Avg Low
25°F
Warmest
2014
52°F avg
Coldest
1990
1°F avg
About This Date
December 21st in Reno, NV typically brings chilly winter weather, with average highs around 45°F and lows near 25°F. Over 55 years of records, the warmest December 21st was in 2014 (52°F average), while the coldest was 1990 (1°F) — a 51°F range across recorded history. Precipitation has occurred on 29% of recorded December 21st dates, with snow falling 7% of the time (heaviest snowfall: 11"). The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.8°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Reno, 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 |
|---|---|---|---|---|---|
| 2025 | 58° | 44° | 51° | — | — |
| 2024 | 56° | 36° | 46° | 0.76" | — |
| 2023 | 50° | 35° | 43° | — | — |
| 2022 | 49° | 30° | 39° | — | — |
| 2021 | 41° | 24° | 33° | — | — |
| 2020 | 61° | 30° | 45° | — | — |
| 2019 | 63° | 35° | 49° | — | — |
| 2018 | 53° | 35° | 44° | — | — |
| 2017 | 36° | 17° | 26° | — | — |
| 2016 | 36° | 32° | 34° | 0.53" | — |
| 2015 | 44° | 40° | 42° | 0.03" | — |
| 2014warmest | 59° | 45° | 52° | — | — |
| 2013 | 48° | 28° | 38° | 0.03" | — |
| 2012 | 53° | 32° | 43° | — | — |
| 2011 | 43° | 23° | 33° | — | — |
| 2010 | 41° | 24° | 33° | — | — |
| 2009 | 50° | 31° | 40° | 0.03" | — |
| 2008 | 45° | 30° | 37° | 0.03" | — |
| 2007 | 33° | 17° | 25° | — | — |
| 2006 | 41° | 23° | 32° | 0.2" | — |
| 2005 | 59° | 42° | 51° | 1.22" | — |
| 2004 | 46° | 25° | 35° | — | — |
| 2003 | 47° | 36° | 41° | — | — |
| 2002 | 39° | 26° | 33° | — | — |
| 2001 | 41° | 28° | 35° | — | — |
| 2000 | 63° | 34° | 48° | — | — |
| 1999 | 51° | 27° | 39° | — | — |
| 1998 | 17° | 2° | 9° | — | — |
| 1997 | 34° | 25° | 29° | 0.05" | — |
| 1996 | 34° | 30° | 32° | 3.38" | 11" |
| 1995 | 43° | 17° | 30° | — | — |
| 1994 | 55° | 27° | 41° | — | — |
| 1993 | 42° | 14° | 28° | — | — |
| 1992 | 45° | 18° | 31° | — | — |
| 1991 | 40° | 15° | 27° | — | — |
| 1990coldest | 10° | -8° | 1° | — | — |
| 1989 | 55° | 20° | 37° | — | — |
| 1988 | 40° | 24° | 32° | — | — |
| 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 RENO WFO