Weather on December 20
Reno, NV
55 Years of Data
Avg High
45°F
Avg Low
23°F
Warmest
2025
52°F avg
Coldest
1978
4°F avg
About This Date
December 20th in Reno, NV typically brings chilly winter weather, with average highs around 45°F and lows near 23°F. Over 55 years of records, the warmest December 20th was in 2025 (52°F average), while the coldest was 1978 (4°F) — a 48°F range across recorded history. Precipitation has occurred on 18% of recorded December 20th dates, with snow falling 9% of the time (heaviest snowfall: 1.5"). The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Reno, NV? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 56° | 48° | 52° | — | — |
| 2024 | 49° | 31° | 40° | — | — |
| 2023 | 47° | 36° | 41° | — | — |
| 2022 | 49° | 27° | 38° | — | — |
| 2021 | 39° | 19° | 29° | — | — |
| 2020 | 56° | 29° | 42° | — | — |
| 2019 | 57° | 34° | 45° | — | — |
| 2018 | 61° | 29° | 45° | — | — |
| 2017 | 48° | 22° | 35° | — | 0.5" |
| 2016 | 50° | 24° | 37° | 0.05" | — |
| 2015 | 45° | 27° | 36° | — | — |
| 2014 | 48° | 39° | 44° | — | — |
| 2013 | 34° | 17° | 25° | — | — |
| 2012 | 52° | 21° | 36° | — | — |
| 2011 | 47° | 22° | 34° | — | — |
| 2010 | 38° | 27° | 32° | — | — |
| 2009 | 47° | 24° | 35° | — | — |
| 2008 | 38° | 20° | 29° | — | — |
| 2007 | 39° | 23° | 31° | 0.15" | — |
| 2006 | 38° | 16° | 27° | — | — |
| 2005 | 61° | 40° | 50° | — | — |
| 2004 | 46° | 28° | 37° | — | — |
| 2003 | 48° | 37° | 43° | 0.48" | — |
| 2002 | 42° | 27° | 34° | — | — |
| 2001 | 47° | 31° | 39° | — | — |
| 2000 | 55° | 36° | 45° | — | — |
| 1999 | 52° | 29° | 40° | — | — |
| 1998 | 29° | 8° | 18° | 0.2" | 1.5" |
| 1997 | 51° | 23° | 37° | — | — |
| 1996 | 52° | 32° | 42° | 0.13" | — |
| 1995 | 41° | 18° | 29° | — | — |
| 1994 | 54° | 25° | 39° | — | — |
| 1993 | 40° | 16° | 28° | — | — |
| 1992 | 46° | 20° | 33° | — | — |
| 1991 | 38° | 16° | 27° | — | — |
| 1990 | 18° | 5° | 11° | 0.08" | 0.5" |
| 1989 | 49° | 16° | 32° | — | — |
| 1988 | 48° | 24° | 36° | 0.08" | 0.2" |
| 1987 | 33° | 12° | 23° | — | — |
| 1986 | 45° | 26° | 35° | 0.08" | 0.1" |
| 1985 | 47° | 16° | 31° | — | — |
| 1984 | 35° | 7° | 21° | — | — |
| 1983 | 35° | 27° | 31° | — | — |
| 1982 | 52° | 29° | 40° | — | — |
| 1981 | 54° | 32° | 43° | 0.76" | — |
| 1980 | 51° | 24° | 38° | — | — |
| 1979 | 42° | 18° | 30° | 0.05" | — |
| 1978coldest | 16° | -7° | 4° | — | — |
| 1977 | 35° | 23° | 29° | — | — |
| 1976 | 48° | 8° | 28° | — | — |
| 1975 | 45° | 8° | 26° | — | — |
| 1974 | 51° | 21° | 36° | — | — |
| 1973 | 45° | 26° | 35° | — | — |
| 1972 | 54° | 29° | 41° | — | — |
| 1971 | 51° | 8° | 30° | — | — |
55 years of data from RENO WFO