Weather on December 20 at Great Basin
Great Basin National Park
Based on 55 years of data from Ely, NV
Elevation Note: Great Basin sits at 6,800 ft. Expect temperatures 24°F cooler than the data shown below, which comes from Ely, NV at a lower elevation.
Planning Your Visit
December 20th in Great Basin National Park (via Ely, NV) typically brings chilly winter weather, with average highs around 41°F and lows near 10°F — a 31°F daily swing. Over 55 years of records, the warmest December 20th was in 1981 (46°F average), while the coldest was 1990 (-2°F) — a 48°F range across recorded history. Precipitation has occurred on 20% of recorded December 20th dates, with snow falling 16% of the time (heaviest snowfall: 11.4"). The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Great Basin? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 53°F | 32°F | 0.03" | 0" |
| 2024 | 61°F | 22°F | 0" | 0" |
| 2023 | 53°F | 29°F | 0" | 0" |
| 2022 | 42°F | 12°F | 0" | 0" |
| 2021 | 40°F | 4°F | 0" | 0" |
| 2020 | 53°F | 15°F | 0" | 0" |
| 2019 | 50°F | 15°F | 0" | 0" |
| 2018 | 56°F | 19°F | 0" | 0" |
| 2017 | 46°F | 10°F | 0.36" | 0.8" |
| 2016 | 54°F | 13°F | 0" | 0" |
| 2015 | 35°F | 26°F | 0.03" | 0.6" |
| 2014 | 40°F | 21°F | 0.08" | 0" |
| 2013 | 22°F | -1°F | 0" | 0" |
| 2012 | 29°F | -10°F | 0" | 0" |
| 2011 | 41°F | 8°F | 0" | 0" |
| 2010 | 39°F | 27°F | 3.28" | 11.4" |
| 2009 | 42°F | 5°F | 0" | 0" |
| 2008 | 34°F | 3°F | 0" | 0" |
| 2007 | 38°F | 15°F | 0.08" | 0.3" |
| 2006 | 33°F | -7°F | 0" | 0" |
| 2005 | 53°F | 25°F | 0" | 0" |
| 2004 | 47°F | 19°F | 0" | 0" |
| 2003 | 51°F | 30°F | 0.05" | 0.2" |
| 2002 | 31°F | 5°F | 0" | 0" |
| 2001 | 40°F | 23°F | 0" | 0" |
| 2000 | 47°F | 17°F | 0" | 0" |
| 1999 | 45°F | 17°F | 0" | 0" |
| 1998 | 20°F | -3°F | 0.05" | 2" |
| 1997 | 37°F | -4°F | 0" | -- |
| 1996 | 46°F | 16°F | 0" | -- |
| 1995 | 29°F | -2°F | 0" | -- |
| 1994 | 50°F | 9°F | 0" | 0" |
| 1993 | 31°F | -6°F | 0" | 0" |
| 1992 | 32°F | -5°F | 0" | 0" |
| 1991 | 34°F | 1°F | 0" | 0" |
| 1990 | 15°F | -20°F | 0" | 0" |
| 1989 | 48°F | 7°F | 0" | 0" |
| 1988 | 38°F | 13°F | 0.03" | 0.1" |
| 1987 | 43°F | 2°F | 0" | 0" |
| 1986 | 40°F | 13°F | 0" | 0" |
| 1985 | 49°F | 9°F | 0" | 0" |
| 1984 | 29°F | -4°F | 0" | 0" |
| 1983 | 26°F | 3°F | 0.05" | 0.3" |
| 1982 | 46°F | 26°F | 0" | 0" |
| 1981 | 57°F | 35°F | 0" | 0" |
| 1980 | 54°F | 21°F | 0" | 0" |
| 1979 | 50°F | 19°F | 0" | 0" |
| 1978 | 25°F | -15°F | 0" | 0" |
| 1977 | 20°F | -17°F | 0" | 0" |
| 1976 | 44°F | -3°F | 0" | 0" |
| 1975 | 43°F | 7°F | 0.03" | 0.1" |
| 1974 | 46°F | 23°F | 0" | 0" |
| 1973 | 49°F | 12°F | 0" | 0" |
| 1972 | 43°F | 24°F | 0" | 0" |
| 1971 | 47°F | 3°F | 0" | 0" |