Weather on November 21
Denver, CO
55 Years of Data
Avg High
52°F
Avg Low
24°F
Warmest
2017
56°F avg
Coldest
1977
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 1977 (16°F) — a 40°F range across recorded history. Precipitation has occurred on 22% of recorded November 21st dates, with snow falling 18% of the time (heaviest snowfall: 2"). The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for November 21st in Denver, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 39° | 44° | 0.1" | — |
| 2024 | 50° | 18° | 34° | — | — |
| 2023 | 43° | 23° | 33° | 0.08" | — |
| 2022 | 49° | 16° | 32° | — | — |
| 2021 | 58° | 26° | 42° | — | — |
| 2020 | 57° | 30° | 44° | — | — |
| 2019 | 52° | 26° | 39° | 0.28" | 0.2" |
| 2018 | 58° | 21° | 39° | — | — |
| 2017warmest | 69° | 43° | 56° | — | — |
| 2016 | 68° | 36° | 52° | — | — |
| 2015 | 52° | 14° | 33° | 0.2" | 1.4" |
| 2014 | 49° | 21° | 35° | — | — |
| 2013 | 58° | 16° | 37° | 0.3" | 1.2" |
| 2012 | 69° | 33° | 51° | — | — |
| 2011 | 42° | 21° | 32° | — | — |
| 2010 | 42° | 24° | 33° | — | — |
| 2009 | 58° | 26° | 42° | — | — |
| 2008 | 35° | 20° | 27° | — | — |
| 2007 | 39° | 22° | 30° | 0.33" | 2" |
| 2006 | 66° | 28° | 47° | — | — |
| 2005 | 62° | 28° | 45° | — | — |
| 2004 | 31° | 19° | 25° | 0.18" | 1.1" |
| 2003 | 70° | 27° | 48° | — | — |
| 2002 | 61° | 30° | 45° | — | — |
| 2001 | 65° | 23° | 44° | — | — |
| 2000 | 48° | 16° | 32° | — | — |
| 1999 | 64° | 27° | 45° | — | — |
| 1998 | 68° | 29° | 48° | — | — |
| 1997 | 44° | 25° | 34° | — | — |
| 1996 | 47° | 26° | 36° | — | — |
| 1995 | 66° | 25° | 45° | — | — |
| 1994 | 40° | 25° | 32° | — | — |
| 1993 | 61° | 28° | 44° | — | — |
| 1992 | 36° | 15° | 25° | 0.38" | 1.5" |
| 1991 | 54° | 27° | 40° | 0.2" | 0.8" |
| 1990 | 50° | 29° | 39° | — | — |
| 1989 | 68° | 26° | 47° | — | — |
| 1988 | 50° | 20° | 35° | — | — |
| 1987 | 59° | 29° | 44° | — | — |
| 1986 | 70° | 33° | 51° | — | — |
| 1985 | 29° | 5° | 17° | — | — |
| 1984 | 60° | 19° | 40° | — | — |
| 1983 | 35° | 23° | 29° | 0.3" | 1.4" |
| 1982 | 48° | 20° | 34° | — | — |
| 1981 | 63° | 32° | 47° | — | — |
| 1980 | 62° | 29° | 45° | — | — |
| 1979 | 24° | 21° | 23° | 0.41" | 1" |
| 1978 | 36° | 21° | 28° | — | — |
| 1977coldest | 26° | 7° | 16° | — | — |
| 1976 | 42° | 18° | 30° | — | — |
| 1975 | 28° | 12° | 20° | — | — |
| 1974 | 73° | 30° | 52° | — | — |
| 1973 | 43° | 16° | 29° | — | — |
| 1972 | 37° | 17° | 27° | 0.13" | 0.8" |
| 1971 | 53° | 26° | 40° | — | — |
55 years of data from DENVER-STAPLETON