Weather on December 31
Arvada, CO
55 Years of Data
Avg High
43°F
Avg Low
14°F
Warmest
1980
51°F avg
Coldest
2014
-7°F avg
About This Date
December 31st in Arvada, CO typically brings chilly winter weather, with average highs around 43°F and lows near 14°F — a 29°F daily swing. Over 55 years of records, the warmest December 31st was in 1980 (51°F average), while the coldest was 2014 (-7°F) — a 58°F range across recorded history. Precipitation has occurred on 13% of recorded December 31st dates, with snow falling 9% of the time (heaviest snowfall: 4"). 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 December 31st in Arvada, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 54° | 30° | 42° | — | — |
| 2024 | 46° | 15° | 31° | — | — |
| 2023 | 60° | 28° | 44° | — | — |
| 2022 | 41° | 17° | 29° | — | — |
| 2021 | 48° | 23° | 36° | — | — |
| 2020 | 43° | 20° | 31° | — | — |
| 2019 | 35° | 13° | 24° | — | — |
| 2018 | 55° | 20° | 37° | — | — |
| 2017 | 62° | 17° | 40° | — | — |
| 2016 | 66° | 20° | 43° | — | — |
| 2015 | 30° | 7° | 18° | — | — |
| 2014coldest | -1° | -13° | -7° | 0.03" | 0.5" |
| 2013 | 47° | 21° | 34° | — | — |
| 2012 | 48° | 12° | 30° | — | — |
| 2011 | 41° | 15° | 28° | — | — |
| 2010 | 10° | -11° | 0° | — | — |
| 2009 | 35° | 12° | 24° | — | — |
| 2008 | 49° | 18° | 33° | — | — |
| 2007 | 21° | 2° | 11° | — | — |
| 2006 | 38° | 14° | 26° | — | — |
| 2005 | 54° | 33° | 43° | — | — |
| 2004 | 47° | 25° | 36° | — | — |
| 2003 | 45° | 24° | 34° | — | — |
| 2002 | 50° | 24° | 37° | — | — |
| 2001 | 26° | 10° | 18° | — | — |
| 2000 | 38° | 13° | 25° | — | — |
| 1999 | 59° | 24° | 42° | — | — |
| 1998 | 57° | 22° | 39° | — | — |
| 1997 | 46° | 16° | 31° | — | — |
| 1996 | 63° | 28° | 45° | — | — |
| 1995 | 50° | 22° | 36° | — | — |
| 1994 | 26° | 11° | 18° | 0.56" | 4" |
| 1993 | 56° | 24° | 40° | — | — |
| 1992 | 52° | 23° | 37° | — | — |
| 1991 | 45° | 20° | 32° | — | — |
| 1990 | 53° | 13° | 33° | — | — |
| 1989 | 31° | 5° | 18° | 0.33" | 2" |
| 1988 | 52° | 12° | 32° | — | — |
| 1987 | 42° | -13° | 15° | — | — |
| 1986 | 5° | 14° | 10° | — | — |
| 1985 | 56° | 17° | 36° | — | — |
| 1984 | 42° | 9° | 25° | — | — |
| 1983 | 49° | -9° | 20° | — | — |
| 1982 | 36° | 10° | 23° | — | — |
| 1981 | 52° | 21° | 36° | — | — |
| 1980warmest | 73° | 28° | 51° | — | — |
| 1979 | 37° | 14° | 26° | — | — |
| 1978 | 16° | -17° | 0° | 0.15" | — |
| 1977 | 30° | 0° | 15° | — | — |
| 1976 | 29° | -4° | 12° | — | — |
| 1975 | 55° | 21° | 38° | 0.2" | 3" |
| 1974 | 33° | 12° | 23° | 0.03" | 1" |
| 1973 | 18° | 0° | 9° | 0.1" | — |
| 1972 | 33° | 2° | 17° | — | — |
| 1971 | 55° | 11° | 33° | — | — |
55 years of data from WATERTON NORTH COLORADO