Weather on January 21 at Rocky Mountain
Rocky Mountain National Park
Based on 56 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
January 21st in Rocky Mountain National Park (via Estes Park, CO) typically brings cold winter weather, with average highs around 38°F and lows near 17°F. Over 56 years of records, the warmest January 21st was in 1989 (48°F average), while the coldest was 2023 (13°F) — a 35°F range across recorded history. Precipitation has occurred on 11% of recorded January 21st dates, with snow falling 9% of the time (heaviest snowfall: 4.1"). Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for January 21st in Rocky Mountain? Bundle up with warm layers and protect extremities from the cold.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 45°F | 28°F | 0" | -- |
| 2025 | 25°F | 1°F | 0" | 0" |
| 2024 | 47°F | 37°F | 0" | 0" |
| 2023 | 25°F | 1°F | 0" | 0" |
| 2022 | 32°F | 21°F | -- | -- |
| 2021 | 39°F | 24°F | -- | -- |
| 2020 | 46°F | 5°F | 0" | 0" |
| 2019 | 45°F | 23°F | 0" | 0" |
| 2018 | 48°F | 18°F | 0.74" | 4.1" |
| 2017 | 34°F | 15°F | 0" | 0" |
| 2016 | 33°F | 22°F | 0" | 0" |
| 2015 | 29°F | 16°F | 0" | 0.1" |
| 2014 | 40°F | 27°F | 0" | 0" |
| 2013 | 40°F | 19°F | 0" | 0" |
| 2012 | 39°F | 33°F | 0" | 0" |
| 2011 | 29°F | 4°F | 0" | 0" |
| 2010 | 32°F | 18°F | 0" | 0" |
| 2009 | 55°F | 20°F | 0" | 0" |
| 2008 | 35°F | 2°F | 0" | 0" |
| 2007 | 34°F | 8°F | 0" | 0" |
| 2006 | 21°F | 13°F | 0" | 0" |
| 2005 | 60°F | 31°F | 0" | 0" |
| 2004 | 25°F | 3°F | 0.3" | 3.1" |
| 2003 | 46°F | 34°F | 0" | 0" |
| 2002 | 25°F | 14°F | 0" | 0" |
| 2001 | 24°F | 16°F | 0" | 0" |
| 2000 | 40°F | 32°F | 0" | 0" |
| 1999 | 37°F | 21°F | 0.05" | 0.3" |
| 1998 | 24°F | 15°F | 0" | 0" |
| 1997 | 48°F | 23°F | 0" | 0" |
| 1996 | 23°F | 13°F | 0" | 0" |
| 1995 | 30°F | -- | -- | -- |
| 1994 | 54°F | 10°F | 0" | 0" |
| 1993 | 41°F | 30°F | 0" | 0" |
| 1992 | 48°F | 10°F | 0" | 0" |
| 1991 | 25°F | 10°F | 0" | 0" |
| 1990 | 43°F | 27°F | 0" | 0" |
| 1989 | 53°F | 43°F | 0" | 0" |
| 1988 | 25°F | 11°F | 0" | -- |
| 1987 | 24°F | 9°F | 0" | 0" |
| 1986 | 48°F | 20°F | 0" | 0" |
| 1985 | 20°F | 10°F | 0.3" | -- |
| 1984 | 37°F | 18°F | 0" | 0" |
| 1983 | 37°F | 11°F | 0" | 0" |
| 1982 | 35°F | 4°F | 0.03" | -- |
| 1981 | 47°F | 3°F | 0" | 0" |
| 1980 | 38°F | 18°F | 0" | 0" |
| 1979 | 38°F | 24°F | 0" | -- |
| 1978 | 34°F | 8°F | 0" | -- |
| 1977 | 50°F | 7°F | 0" | -- |
| 1976 | 52°F | 10°F | 0" | -- |
| 1975 | 38°F | 14°F | 0.61" | 3.5" |
| 1974 | 38°F | 22°F | 0" | -- |
| 1973 | 34°F | 20°F | 0" | -- |
| 1972 | 43°F | 34°F | 0" | -- |
| 1971 | 50°F | 25°F | 0" | -- |