Weather on December 18
Denver, CO
55 Years of Data
About This Date
December 18th in Denver, CO typically brings chilly winter weather, with average highs around 47°F and lows near 20°F — a 27°F daily swing. Over 55 years of records, the warmest December 18th was in 1980 (59°F average), while the coldest was 2016 (-1°F) — a 60°F range across recorded history. Precipitation has occurred on 9% of recorded December 18th dates, with snow falling 7% 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 18th in Denver, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 31° | 51° | 0.03" | — |
| 2024 | 56° | 22° | 39° | — | — |
| 2023 | 61° | 27° | 44° | — | — |
| 2022 | 37° | 15° | 26° | — | — |
| 2021 | 42° | 9° | 25° | — | — |
| 2020 | 50° | 23° | 37° | — | — |
| 2019 | 43° | 15° | 29° | — | — |
| 2018 | 61° | 41° | 51° | — | — |
| 2017 | 38° | 19° | 28° | — | — |
| 2016coldest | 6° | -8° | -1° | — | — |
| 2015 | 25° | 9° | 17° | — | — |
| 2014 | 43° | 23° | 33° | — | — |
| 2013 | 62° | 32° | 47° | — | — |
| 2012 | 50° | 32° | 41° | — | — |
| 2011 | 44° | 25° | 34° | — | — |
| 2010 | 42° | 12° | 27° | — | — |
| 2009 | 56° | 25° | 40° | — | — |
| 2008 | 45° | 13° | 29° | — | — |
| 2007 | 54° | 22° | 38° | — | — |
| 2006 | 34° | 20° | 27° | — | — |
| 2005 | 18° | 7° | 12° | 0.08" | 1" |
| 2004 | 58° | 26° | 42° | — | — |
| 2003 | 52° | 16° | 34° | — | — |
| 2002 | 50° | 26° | 38° | — | — |
| 2001 | 56° | 24° | 40° | — | — |
| 2000 | 58° | 22° | 40° | — | — |
| 1999 | 47° | 19° | 33° | — | — |
| 1998 | 64° | 28° | 46° | — | — |
| 1997 | 55° | 25° | 40° | — | — |
| 1996 | 18° | -9° | 4° | — | — |
| 1995 | 29° | 23° | 26° | 0.08" | — |
| 1994 | 57° | 24° | 41° | — | — |
| 1993 | 36° | 14° | 25° | — | — |
| 1992 | 34° | 9° | 21° | — | — |
| 1991 | 42° | 20° | 31° | — | — |
| 1990 | 40° | 27° | 33° | — | — |
| 1989 | 27° | -3° | 12° | 0.58" | 4" |
| 1988 | 53° | 26° | 40° | — | — |
| 1987 | 38° | 12° | 25° | — | — |
| 1986 | 36° | 17° | 26° | — | — |
| 1985 | 49° | 19° | 34° | — | — |
| 1984 | 52° | 26° | 39° | — | — |
| 1983 | 24° | -2° | 11° | — | 0.5" |
| 1982 | 68° | 32° | 50° | — | — |
| 1981 | 35° | 12° | 24° | — | — |
| 1980warmest | 74° | 45° | 59° | — | — |
| 1979 | 66° | 35° | 51° | — | — |
| 1978 | 43° | 22° | 32° | — | — |
| 1977 | 48° | 34° | 41° | — | — |
| 1976 | 63° | — | — | — | — |
| 1975 | 23° | 3° | 13° | — | — |
| 1974 | 53° | 21° | 37° | — | — |
| 1973 | 61° | 31° | 46° | 0.25" | 1" |
| 1972 | 55° | 38° | 46° | — | — |
| 1971 | 59° | 29° | 44° | — | — |
Denver, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Denver, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Denver, 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 Denver, CO
Denver, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.