Weather on November 21
Denver, CO
55 Years of Data
Avg High
52°F
Avg Low
24°F
Warmest
2017
56°F avg
Coldest
1975
16°F avg
About This Date
November 21st in Denver, CO typically brings cool fall weather, with average highs around 52°F and lows near 24°F — a 28°F daily swing. Over 55 years of records, the warmest November 21st was in 2017 (56°F average), while the coldest was 1975 (16°F) — a 40°F range across recorded history. Precipitation has occurred on 18% of recorded November 21st dates, with snow falling 18% of the time (heaviest snowfall: 6"). 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 November 21st in Denver, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
2.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 39° | 46° | 0.1" | — |
| 2024 | 54° | 24° | 39° | — | — |
| 2023 | 46° | 26° | 36° | — | — |
| 2022 | 51° | 17° | 34° | — | — |
| 2021 | 57° | 26° | 42° | — | — |
| 2020 | 56° | 28° | 42° | — | — |
| 2019 | 54° | 26° | 40° | 0.3" | 0.8" |
| 2018 | 60° | 22° | 41° | — | — |
| 2017warmest | 69° | 43° | 56° | — | — |
| 2016 | 70° | 37° | 53° | — | — |
| 2015 | 58° | 11° | 34° | 0.38" | 2" |
| 2014 | 52° | 23° | 37° | — | — |
| 2013 | 61° | 15° | 38° | 0.33" | 1" |
| 2012 | 67° | 33° | 50° | — | — |
| 2011 | 48° | 25° | 36° | — | — |
| 2010 | 43° | 25° | 34° | — | — |
| 2009 | 56° | 26° | 41° | — | — |
| 2008 | 37° | 21° | 29° | — | — |
| 2007 | 40° | 23° | 31° | 0.41" | 2.3" |
| 2006 | 61° | 32° | 46° | — | — |
| 2005 | 67° | 28° | 47° | — | — |
| 2004 | 56° | 17° | 36° | 0.08" | 2" |
| 2003 | 75° | 27° | 51° | — | — |
| 2002 | 66° | 33° | 50° | — | — |
| 2001 | 67° | 24° | 45° | — | — |
| 2000 | 55° | 20° | 37° | — | — |
| 1999 | 52° | 31° | 41° | 0.28" | 0.5" |
| 1998 | 68° | 40° | 54° | — | — |
| 1997 | 47° | 24° | 35° | — | — |
| 1996 | 50° | 26° | 38° | — | — |
| 1995 | 60° | 22° | 41° | — | — |
| 1994 | 35° | 23° | 29° | — | — |
| 1993 | 60° | 31° | 45° | — | — |
| 1992 | 35° | 16° | 25° | — | 1" |
| 1991 | 51° | 28° | 40° | 0.3" | 1" |
| 1990 | 49° | 28° | 38° | — | — |
| 1989 | 67° | 28° | 47° | — | — |
| 1988 | 47° | — | — | — | — |
| 1987 | 59° | 26° | 43° | — | — |
| 1986 | 68° | 32° | 50° | — | — |
| 1985 | 28° | 4° | 16° | — | — |
| 1984 | 57° | 22° | 39° | — | — |
| 1983 | 42° | 25° | 33° | — | — |
| 1982 | 48° | 19° | 34° | — | — |
| 1981 | 62° | 24° | 43° | — | — |
| 1980 | 63° | 17° | 40° | — | — |
| 1979 | 22° | 19° | 20° | 1.12" | 6" |
| 1978 | 30° | 20° | 25° | — | — |
| 1977 | 26° | 7° | 16° | — | — |
| 1976 | 42° | 13° | 27° | — | — |
| 1975coldest | 26° | 5° | 16° | — | — |
| 1974 | 71° | 26° | 49° | — | — |
| 1973 | 43° | 11° | 27° | — | — |
| 1972 | 37° | 17° | 27° | 0.13" | 0.8" |
| 1971 | 53° | 26° | 40° | — | — |
55 years of data from NORTHGLENN