Weather on November 21
Arvada, CO
55 Years of Data
Avg High
53°F
Avg Low
23°F
Warmest
1974
57°F avg
Coldest
1985
16°F avg
About This Date
November 21st in Arvada, CO typically brings cool fall weather, with average highs around 53°F and lows near 23°F — a 30°F daily swing. Over 55 years of records, the warmest November 21st was in 1974 (57°F average), while the coldest was 1985 (16°F) — a 41°F range across recorded history. Precipitation has occurred on 15% of recorded November 21st dates, with snow falling 7% 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 Arvada, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 52° | 39° | 45° | — | — |
| 2024 | 53° | 22° | 37° | — | — |
| 2023 | 43° | 26° | 34° | 0.46" | — |
| 2022 | 54° | 23° | 38° | — | — |
| 2021 | 58° | 26° | 42° | — | — |
| 2020 | 54° | 22° | 38° | — | — |
| 2019 | 54° | 26° | 40° | 0.23" | — |
| 2018 | 59° | 34° | 46° | — | — |
| 2017 | 68° | 32° | 50° | — | — |
| 2016 | 67° | 13° | 40° | — | — |
| 2015 | 57° | 3° | 30° | 0.56" | 3" |
| 2014 | 50° | 29° | 39° | — | — |
| 2013 | 60° | 17° | 39° | 0.46" | 1.5" |
| 2012 | 70° | 43° | 56° | — | — |
| 2011 | 44° | 29° | 36° | — | — |
| 2010 | 45° | 27° | 36° | — | — |
| 2009 | 56° | 27° | 41° | — | — |
| 2008 | 56° | 21° | 38° | — | — |
| 2007 | 30° | 9° | 19° | — | — |
| 2006 | 60° | 37° | 49° | — | — |
| 2005 | 52° | 32° | 42° | — | — |
| 2004 | 42° | 13° | 27° | — | — |
| 2003 | 54° | 18° | 36° | — | — |
| 2002 | 54° | 32° | 43° | — | — |
| 2001 | 70° | 36° | 53° | — | — |
| 2000 | 52° | 23° | 37° | — | — |
| 1999 | 70° | 26° | 48° | — | — |
| 1998 | 55° | 31° | 43° | — | — |
| 1997 | 52° | 20° | 36° | — | — |
| 1996 | 70° | 22° | 46° | — | — |
| 1995 | 63° | 29° | 46° | — | — |
| 1994 | 42° | 16° | 29° | — | — |
| 1993 | 62° | 27° | 44° | — | — |
| 1992 | 35° | 29° | 32° | 1.12" | 6" |
| 1991 | 48° | 17° | 33° | — | — |
| 1990 | 68° | 33° | 51° | — | — |
| 1989 | 68° | 28° | 48° | — | — |
| 1988 | 49° | 21° | 35° | — | — |
| 1987 | 55° | 31° | 43° | — | — |
| 1986 | 66° | 24° | 45° | — | — |
| 1985coldest | 31° | 2° | 16° | — | — |
| 1984 | 58° | 25° | 41° | — | — |
| 1983 | 53° | 22° | 37° | — | — |
| 1982 | 53° | 21° | 37° | — | — |
| 1981 | 60° | 28° | 44° | — | — |
| 1980 | 47° | 20° | 33° | — | — |
| 1979 | 24° | 12° | 18° | 0.3" | — |
| 1978 | 44° | 16° | 30° | 0.03" | — |
| 1977 | 49° | 6° | 27° | — | — |
| 1976 | 43° | 18° | 30° | — | — |
| 1975 | 28° | 7° | 17° | — | — |
| 1974warmest | 75° | 39° | 57° | — | — |
| 1973 | 44° | 12° | 28° | — | — |
| 1972 | 36° | 20° | 28° | 0.15" | 1" |
| 1971 | 48° | 28° | 38° | — | — |
55 years of data from WATERTON NORTH COLORADO