Weather on December 1
Arvada, CO
55 Years of Data
Avg High
48°F
Avg Low
19°F
Warmest
1999
54°F avg
Coldest
1985
5°F avg
About This Date
December 1st in Arvada, CO typically brings chilly winter weather, with average highs around 48°F and lows near 19°F — a 29°F daily swing. Over 54 years of records, the warmest December 1st was in 1999 (54°F average), while the coldest was 1985 (5°F) — a 49°F range across recorded history. Precipitation has occurred on 7% of recorded December 1st dates, with snow falling 7% of the time (heaviest snowfall: 7.5"). The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
Planning for December 1st in Arvada, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 25° | 8° | 16° | — | — |
| 2024 | 53° | 27° | 40° | — | — |
| 2023 | 41° | 18° | 29° | — | — |
| 2022 | 44° | 4° | 24° | — | — |
| 2021 | 65° | 34° | 49° | — | — |
| 2020 | 39° | 30° | 35° | — | — |
| 2019 | 37° | 6° | 22° | — | — |
| 2018 | 36° | 18° | 27° | — | — |
| 2017 | 59° | 24° | 42° | — | — |
| 2016 | 41° | 16° | 28° | — | — |
| 2015 | 30° | 8° | 19° | — | — |
| 2014 | 52° | 14° | 33° | — | — |
| 2013 | 61° | 29° | 45° | — | — |
| 2012 | 64° | 33° | 49° | — | — |
| 2011 | 24° | 10° | 17° | — | — |
| 2010 | 54° | 27° | 40° | — | — |
| 2009 | 52° | 15° | 33° | — | — |
| 2008 | 47° | 19° | 33° | — | — |
| 2007 | 47° | 26° | 36° | — | — |
| 2006 | 39° | 10° | 25° | — | — |
| 2005 | 42° | 18° | 30° | — | — |
| 2004 | 36° | 11° | 23° | — | — |
| 2003 | 59° | 27° | 43° | — | — |
| 2002 | 47° | 29° | 38° | — | — |
| 2001 | 48° | 24° | 36° | — | — |
| 2000 | 57° | 17° | 37° | — | — |
| 1999warmest | 66° | 43° | 54° | — | — |
| 1998 | 66° | 36° | 51° | — | — |
| 1997 | 45° | 22° | 33° | — | — |
| 1996 | 39° | 6° | 23° | — | — |
| 1995 | 69° | 30° | 50° | — | — |
| 1994 | 68° | 25° | 46° | — | — |
| 1993 | 54° | 24° | 39° | — | — |
| 1992 | 50° | 16° | 33° | — | — |
| 1991 | 21° | -2° | 10° | — | — |
| 1990 | 63° | 12° | 37° | — | — |
| 1989 | 52° | 22° | 37° | — | — |
| 1988 | 50° | 35° | 43° | — | — |
| 1987 | 44° | 15° | 30° | — | — |
| 1986 | 33° | 12° | 23° | 2.29" | 7.5" |
| 1985coldest | 15° | -6° | 5° | — | — |
| 1984 | 47° | 22° | 34° | 0.08" | 0.5" |
| 1983 | 21° | -4° | 9° | — | — |
| 1982 | 59° | 28° | 44° | — | — |
| 1981 | 43° | 9° | 26° | — | — |
| 1980 | 67° | 20° | 43° | — | — |
| 1978 | 58° | 8° | 33° | — | — |
| 1977 | 46° | 18° | 32° | — | — |
| 1976 | 39° | 1° | 20° | 0.94" | 6.5" |
| 1975 | 56° | 15° | 35° | — | — |
| 1974 | 43° | 6° | 24° | — | — |
| 1973 | 71° | 28° | 50° | — | — |
| 1972 | 62° | 35° | 49° | — | — |
| 1971 | 38° | 25° | 31° | 0.18" | 2" |
54 years of data from WATERTON NORTH COLORADO