Weather on October 31
Arvada, CO
55 Years of Data
Avg High
55°F
Avg Low
29°F
Warmest
2001
65°F avg
Coldest
2019
13°F avg
About This Date
October 31st in Arvada, CO typically brings cool fall weather, with average highs around 55°F and lows near 29°F — a 26°F daily swing. Over 55 years of records, the warmest October 31st was in 2001 (65°F average), while the coldest was 2019 (13°F) — a 52°F range across recorded history. Precipitation has occurred on 22% of recorded October 31st 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 October 31st in Arvada, CO? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 30° | 43° | — | — |
| 2024 | 42° | 23° | 33° | 0.56" | — |
| 2023 | 48° | 17° | 33° | — | — |
| 2022 | 60° | 35° | 48° | — | — |
| 2021 | 75° | 32° | 54° | — | — |
| 2020 | 65° | 26° | 45° | — | — |
| 2019coldest | 23° | 3° | 13° | — | — |
| 2018 | 43° | 32° | 37° | 1.5" | 1" |
| 2017 | 31° | 26° | 28° | 0.05" | — |
| 2016 | 76° | 39° | 57° | — | — |
| 2015 | 47° | 31° | 39° | — | — |
| 2014 | 65° | 29° | 47° | — | — |
| 2013 | 55° | 29° | 42° | 0.05" | — |
| 2012 | 71° | 43° | 57° | — | — |
| 2011 | 62° | 33° | 48° | — | — |
| 2010 | 55° | 32° | 44° | — | — |
| 2009 | 64° | 29° | 46° | — | — |
| 2008 | 65° | 39° | 52° | — | — |
| 2007 | 41° | 25° | 33° | — | — |
| 2006 | 50° | 17° | 34° | — | — |
| 2005 | 47° | 19° | 33° | — | — |
| 2004 | 46° | 21° | 34° | — | — |
| 2003 | 26° | 17° | 22° | — | — |
| 2002 | 42° | 9° | 25° | — | — |
| 2001warmest | 78° | 52° | 65° | — | — |
| 2000 | 59° | 33° | 46° | — | — |
| 1999 | 63° | 30° | 46° | — | — |
| 1998 | 46° | 37° | 42° | 0.2" | — |
| 1997 | 60° | 37° | 49° | — | — |
| 1996 | 46° | 28° | 37° | — | — |
| 1995 | 55° | 22° | 38° | — | — |
| 1994 | 40° | 26° | 33° | 0.66" | — |
| 1993 | 40° | 8° | 24° | — | — |
| 1992 | 68° | 37° | 53° | — | — |
| 1991 | 25° | 10° | 17° | — | — |
| 1990 | 78° | 44° | 61° | — | — |
| 1989 | 59° | 17° | 38° | 1.07" | 6" |
| 1988 | 70° | 37° | 53° | — | — |
| 1987 | 59° | 37° | 48° | 1.83" | — |
| 1986 | 73° | 34° | 53° | 0.2" | — |
| 1985 | 71° | 32° | 52° | — | — |
| 1984 | 42° | 23° | 33° | — | — |
| 1983 | 71° | 44° | 58° | — | — |
| 1982 | 68° | 32° | 50° | — | — |
| 1981 | 50° | 28° | 39° | 2.24" | — |
| 1980 | 68° | 40° | 54° | — | — |
| 1979 | 40° | 17° | 28° | — | — |
| 1978 | 59° | 34° | 46° | — | — |
| 1977 | 52° | 19° | 35° | 0.94" | 1" |
| 1976 | 62° | 26° | 44° | — | — |
| 1975 | 53° | 42° | 48° | — | — |
| 1974 | 57° | 30° | 44° | — | — |
| 1973 | 61° | 36° | 48° | — | — |
| 1972 | 31° | 14° | 22° | 0.18" | 1" |
| 1971 | 55° | 26° | 41° | — | — |
55 years of data from WATERTON NORTH COLORADO