Weather on December 23 at Rocky Mountain
Rocky Mountain National Park
Based on 51 years of data from Estes Park, CO
Elevation Note: Rocky Mountain sits at 8,000 ft. Expect temperatures 28°F cooler than the data shown below, which comes from Estes Park, CO at a lower elevation.
Planning Your Visit
December 23rd in Rocky Mountain National Park (via Estes Park, CO) typically brings cold winter weather, with average highs around 34°F and lows near 16°F. Over 51 years of records, the warmest December 23rd was in 2025 (52°F average), while the coldest was 2022 (-3°F) — a 55°F range across recorded history. Precipitation has occurred on 24% of recorded December 23rd dates, with snow falling 24% of the time (heaviest snowfall: 4.6"). The last decade has been 8.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.8°F warmer on this date compared to 20-30 years ago.
Planning for December 23rd in Rocky Mountain? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 58°F | 47°F | 0" | -- |
| 2024 | 54°F | 34°F | 0" | 0" |
| 2023 | 48°F | 25°F | 0" | 0" |
| 2022 | 9°F | -15°F | 0" | 0" |
| 2021 | 40°F | 32°F | -- | -- |
| 2020 | 46°F | 8°F | -- | 0.7" |
| 2019 | 53°F | 26°F | 0" | 0" |
| 2018 | 30°F | 14°F | 0" | 0" |
| 2017 | 30°F | 18°F | 0" | 0" |
| 2016 | 35°F | 17°F | 0" | 0.1" |
| 2015 | 34°F | 17°F | 0.79" | 4.6" |
| 2014 | 29°F | 19°F | 0.15" | 0.8" |
| 2013 | 25°F | 10°F | 0" | 0" |
| 2012 | 43°F | 30°F | 0" | 0" |
| 2011 | 18°F | -4°F | 0.03" | 0.3" |
| 2010 | 40°F | 16°F | 0" | 0" |
| 2009 | 38°F | 22°F | 0.46" | 3.9" |
| 2008 | 38°F | 20°F | 0.05" | 0.4" |
| 2007 | 24°F | 10°F | 0" | 0" |
| 2006 | 34°F | 12°F | 0" | 0" |
| 2005 | 47°F | 35°F | 0" | 0" |
| 2004 | 18°F | 0°F | 0.05" | 0.6" |
| 2003 | 49°F | 32°F | -- | -- |
| 2002 | 30°F | 9°F | 0.03" | 0.4" |
| 2001 | 24°F | 19°F | 0" | 0" |
| 2000 | 33°F | 20°F | 0.33" | 1.3" |
| 1999 | 26°F | 14°F | 0" | 0" |
| 1998 | 20°F | -17°F | 0" | 0" |
| 1997 | 25°F | 8°F | 0" | 0" |
| 1996 | 29°F | 13°F | 0.13" | 0.9" |
| 1995 | 13°F | -4°F | -- | -- |
| 1994 | 47°F | 16°F | 0" | 0" |
| 1993 | 25°F | 16°F | 0" | 0" |
| 1992 | 26°F | 13°F | 0" | -- |
| 1991 | 45°F | 8°F | 0" | 0" |
| 1990 | 20°F | 5°F | 0" | 0" |
| 1989 | 42°F | 27°F | 0" | 0" |
| 1988 | 29°F | 18°F | 0" | 0" |
| 1986 | 48°F | 20°F | 0" | -- |
| 1983 | 12°F | -11°F | 0.15" | -- |
| 1982 | 44°F | 22°F | 0" | 0" |
| 1981 | 21°F | 8°F | 0" | -- |
| 1980 | 45°F | 30°F | 0" | 0" |
| 1978 | 29°F | 5°F | 0" | -- |
| 1977 | 38°F | 26°F | 0" | -- |
| 1976 | 40°F | 24°F | 0" | 0" |
| 1975 | 36°F | 9°F | 0" | -- |
| 1974 | 16°F | 9°F | 0.18" | 0" |
| 1973 | 45°F | 21°F | 0.05" | 1" |
| 1972 | 42°F | 30°F | 0" | -- |
| 1971 | 50°F | 37°F | 0" | -- |