Weather on December 9
Arvada, CO
55 Years of Data
About This Date
December 9th in Arvada, CO typically brings chilly winter weather, with average highs around 45°F and lows near 18°F — a 27°F daily swing. Over 55 years of records, the warmest December 9th was in 1996 (55°F average), while the coldest was 1972 (4°F) — a 51°F range across recorded history. Precipitation has occurred on 13% of recorded December 9th dates, with snow falling 13% of the time (heaviest snowfall: 6.4"). The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for December 9th in Arvada, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 26° | 41° | — | — |
| 2024 | 56° | 20° | 38° | — | — |
| 2023 | 42° | 20° | 31° | 0.99" | 6.4" |
| 2022 | 48° | 21° | 35° | — | — |
| 2021 | 57° | 28° | 43° | — | — |
| 2020 | 67° | 30° | 48° | — | — |
| 2019 | 39° | 20° | 29° | — | — |
| 2018 | 50° | 11° | 30° | — | — |
| 2017 | 61° | 14° | 37° | — | — |
| 2016 | 20° | -4° | 8° | — | — |
| 2015 | 59° | 34° | 46° | — | — |
| 2014 | 50° | 26° | 38° | — | — |
| 2013 | 23° | -6° | 9° | — | — |
| 2012 | 54° | 16° | 35° | 0.25" | 1" |
| 2011 | 38° | 17° | 27° | — | — |
| 2010 | 47° | 31° | 39° | — | — |
| 2009 | 18° | -10° | 4° | — | — |
| 2008 | 26° | 10° | 18° | — | — |
| 2007 | 34° | 9° | 21° | — | — |
| 2006 | 53° | 27° | 40° | — | — |
| 2005 | 38° | 10° | 24° | — | — |
| 2004 | 43° | 29° | 36° | — | — |
| 2003 | 34° | 8° | 21° | — | — |
| 2002 | 51° | 23° | 37° | — | — |
| 2001 | 55° | 22° | 38° | — | — |
| 2000 | 40° | 23° | 31° | — | — |
| 1999 | 28° | 7° | 17° | — | — |
| 1998 | 50° | 20° | 35° | — | — |
| 1997 | 50° | 20° | 35° | 0.18" | 1" |
| 1996warmest | 67° | 43° | 55° | — | — |
| 1995 | 26° | -2° | 12° | — | — |
| 1994 | 28° | 10° | 19° | 0.25" | 3" |
| 1993 | 63° | 16° | 39° | — | — |
| 1992 | 52° | 22° | 37° | — | — |
| 1991 | 46° | 30° | 38° | — | — |
| 1990 | 52° | 25° | 38° | — | — |
| 1989 | 50° | 26° | 38° | — | — |
| 1988 | 32° | 7° | 19° | — | — |
| 1987 | 50° | 17° | 34° | — | — |
| 1986 | 39° | 10° | 25° | 0.79" | 5.5" |
| 1985 | 40° | 20° | 30° | 1.14" | 6" |
| 1984 | 52° | 30° | 41° | — | — |
| 1983 | 54° | 20° | 37° | — | — |
| 1982 | 26° | 12° | 19° | — | — |
| 1981 | 69° | 36° | 52° | — | — |
| 1980 | 44° | — | — | — | — |
| 1979 | 52° | 26° | 39° | — | — |
| 1978 | 38° | 7° | 22° | — | — |
| 1977 | 38° | -2° | 18° | — | — |
| 1976 | 58° | 32° | 45° | — | — |
| 1975 | 67° | 38° | 52° | — | — |
| 1974 | 52° | 24° | 38° | — | — |
| 1973 | 42° | 22° | 32° | — | — |
| 1972coldest | 16° | -7° | 4° | 0.46" | 3" |
| 1971 | 56° | -8° | 24° | — | — |
Arvada, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Arvada, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Arvada, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Arvada, CO
Arvada, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.