Weather on December 17
Greeley, CO
55 Years of Data
Avg High
43°F
Avg Low
17°F
Warmest
1980
52°F avg
Coldest
1983
9°F avg
About This Date
December 17th in Greeley, CO typically brings chilly winter weather, with average highs around 43°F and lows near 17°F — a 26°F daily swing. Over 55 years of records, the warmest December 17th was in 1980 (52°F average), while the coldest was 1983 (9°F) — a 43°F range across recorded history. Precipitation has occurred on 15% of recorded December 17th dates, with snow falling 13% of the time (heaviest snowfall: 4.5"). The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for December 17th in Greeley, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 28° | 45° | — | — |
| 2024 | 53° | 22° | 37° | — | — |
| 2023 | 64° | 26° | 45° | — | — |
| 2022 | 40° | 9° | 24° | — | — |
| 2021 | 47° | 19° | 33° | — | — |
| 2020 | 39° | 12° | 26° | — | — |
| 2019 | 40° | 8° | 24° | — | — |
| 2018 | 55° | 21° | 38° | — | — |
| 2017 | 45° | 30° | 37° | — | — |
| 2016 | 24° | -2° | 11° | 0.97" | 3.8" |
| 2015 | 25° | 7° | 16° | — | — |
| 2014 | 33° | 17° | 25° | — | — |
| 2013 | 58° | 27° | 42° | — | — |
| 2012 | 52° | 18° | 35° | — | — |
| 2011 | 46° | 15° | 31° | — | — |
| 2010 | 40° | 22° | 31° | — | — |
| 2009 | 53° | 25° | 39° | — | — |
| 2008 | 36° | 7° | 21° | — | — |
| 2007 | 37° | 8° | 23° | — | — |
| 2006 | 40° | 19° | 29° | — | — |
| 2005 | 25° | 9° | 17° | 0.1" | 3" |
| 2004 | 52° | 20° | 36° | — | — |
| 2003 | 54° | 20° | 37° | — | — |
| 2002 | 52° | 30° | 41° | 0.03" | — |
| 2001 | 60° | 16° | 38° | — | — |
| 2000 | 57° | 12° | 35° | — | — |
| 1999 | 61° | 36° | 48° | — | — |
| 1998 | 57° | 23° | 40° | — | — |
| 1997 | 45° | 25° | 35° | — | — |
| 1996 | 17° | 10° | 14° | — | — |
| 1995 | 34° | 28° | 31° | 0.1" | 0.5" |
| 1994 | 53° | 23° | 38° | — | — |
| 1993 | 36° | 14° | 25° | — | — |
| 1992 | 24° | 4° | 14° | — | — |
| 1991 | 36° | 17° | 26° | — | — |
| 1990 | 38° | 26° | 32° | 0.15" | 0.6" |
| 1989 | 21° | 2° | 11° | 0.08" | 0.5" |
| 1988 | 42° | 8° | 25° | — | — |
| 1987 | 35° | 12° | 24° | — | — |
| 1986 | 43° | 21° | 32° | — | — |
| 1985 | 43° | 7° | 25° | — | — |
| 1984 | 23° | 14° | 19° | — | — |
| 1983coldest | 15° | 4° | 9° | 0.05" | 0.2" |
| 1982 | 65° | 20° | 42° | — | — |
| 1981 | 32° | 9° | 20° | — | — |
| 1980warmest | 75° | 28° | 52° | — | — |
| 1979 | 51° | 11° | 31° | — | — |
| 1978 | 28° | 3° | 16° | — | — |
| 1977 | 50° | 23° | 37° | — | — |
| 1976 | 62° | 18° | 40° | — | — |
| 1975 | 18° | 9° | 13° | 0.56" | 4.5" |
| 1974 | 53° | 18° | 35° | — | — |
| 1973 | 52° | 32° | 42° | — | — |
| 1972 | 41° | 9° | 25° | — | — |
| 1971 | 52° | 10° | 31° | — | — |
55 years of data from GREELEY UNC