Weather on December 15
Greeley, CO
55 Years of Data
Avg High
42°F
Avg Low
17°F
Warmest
1980
46°F avg
Coldest
2008
-4°F avg
About This Date
December 15th in Greeley, CO typically brings chilly winter weather, with average highs around 42°F and lows near 17°F — a 25°F daily swing. Over 55 years of records, the warmest December 15th was in 1980 (46°F average), while the coldest was 2008 (-4°F) — a 50°F range across recorded history. Precipitation has occurred on 9% of recorded December 15th dates, with snow falling 7% of the time (heaviest snowfall: 10.5"). 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 15th in Greeley, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 18° | 42° | — | — |
| 2024 | 57° | 26° | 42° | — | — |
| 2023 | 53° | 21° | 37° | — | — |
| 2022 | 36° | 20° | 28° | — | — |
| 2021 | 55° | 26° | 41° | — | — |
| 2020 | 35° | 16° | 25° | 0.05" | — |
| 2019 | 35° | 20° | 27° | — | — |
| 2018 | 44° | 23° | 34° | — | — |
| 2017 | 54° | 8° | 31° | — | — |
| 2016 | 30° | 13° | 21° | — | — |
| 2015 | 31° | 18° | 24° | 2.06" | 10.5" |
| 2014 | 43° | 28° | 35° | — | — |
| 2013 | 53° | 19° | 36° | — | — |
| 2012 | 43° | 28° | 35° | — | — |
| 2011 | 42° | 21° | 32° | — | — |
| 2010 | 54° | 27° | 40° | — | — |
| 2009 | 44° | 9° | 26° | — | — |
| 2008coldest | 5° | -13° | -4° | — | — |
| 2007 | 25° | -1° | 12° | — | — |
| 2006 | 51° | 32° | 42° | — | — |
| 2005 | 38° | 16° | 27° | — | — |
| 2004 | 49° | 24° | 36° | — | — |
| 2003 | 38° | 27° | 32° | — | — |
| 2002 | 57° | 24° | 41° | — | — |
| 2001 | 45° | 15° | 30° | 0.08" | 0.6" |
| 2000 | 46° | 21° | 34° | — | — |
| 1999 | 45° | 19° | 32° | — | — |
| 1998 | 45° | 25° | 35° | — | — |
| 1997 | 57° | 23° | 40° | — | — |
| 1996 | 41° | 16° | 28° | — | — |
| 1995 | 54° | 18° | 36° | — | — |
| 1994 | 43° | 15° | 29° | — | — |
| 1993 | 38° | 17° | 27° | — | — |
| 1992 | 40° | 14° | 27° | — | — |
| 1991 | 46° | 16° | 31° | — | — |
| 1990 | 42° | 13° | 27° | — | — |
| 1989 | 18° | 3° | 10° | 0.08" | 0.5" |
| 1988 | 22° | 17° | 19° | 0.46" | 2.5" |
| 1987 | 30° | 1° | 16° | — | — |
| 1986 | 46° | 15° | 31° | — | — |
| 1985 | 29° | 3° | 16° | — | — |
| 1984 | 31° | 7° | 19° | — | — |
| 1983 | 32° | 20° | 26° | — | — |
| 1982 | 38° | 14° | 26° | — | — |
| 1981 | 44° | 23° | 34° | — | — |
| 1980warmest | 67° | 26° | 46° | — | — |
| 1979 | 51° | 17° | 34° | — | — |
| 1978 | 40° | 12° | 26° | — | — |
| 1977 | 56° | 32° | 44° | — | — |
| 1976 | 54° | 18° | 36° | — | — |
| 1975 | 39° | 4° | 21° | — | — |
| 1974 | 40° | 19° | 29° | — | — |
| 1973 | 44° | 26° | 35° | — | — |
| 1972 | 22° | -9° | 6° | — | — |
| 1971 | 41° | 11° | 26° | — | — |
55 years of data from GREELEY UNC