Weather on December 19
Greeley, CO
55 Years of Data
Avg High
42°F
Avg Low
16°F
Warmest
2025
45°F avg
Coldest
1983
8°F avg
About This Date
December 19th in Greeley, CO typically brings chilly winter weather, with average highs around 42°F and lows near 16°F — a 26°F daily swing. Over 55 years of records, the warmest December 19th was in 2025 (45°F average), while the coldest was 1983 (8°F) — a 37°F range across recorded history. Precipitation has occurred on 13% of recorded December 19th dates, with snow falling 11% of the time (heaviest snowfall: 2.5"). The last decade has been 9.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.2°F warmer on this date compared to 20-30 years ago.
Planning for December 19th in Greeley, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 66° | 23° | 45° | — | — |
| 2024 | 61° | 27° | 44° | — | — |
| 2023 | 61° | 28° | 44° | — | — |
| 2022 | 52° | 8° | 30° | — | — |
| 2021 | 58° | 15° | 36° | — | — |
| 2020 | 43° | 14° | 28° | — | — |
| 2019 | 41° | 19° | 30° | — | — |
| 2018 | 57° | 27° | 42° | — | — |
| 2017 | 50° | 16° | 33° | — | — |
| 2016 | 28° | -4° | 12° | — | — |
| 2015 | 36° | 11° | 23° | — | — |
| 2014 | 48° | 20° | 34° | — | — |
| 2013 | 49° | 29° | 39° | — | — |
| 2012 | 38° | 21° | 29° | — | — |
| 2011 | 44° | 28° | 36° | — | — |
| 2010 | 52° | 18° | 35° | — | — |
| 2009 | 47° | 13° | 30° | — | — |
| 2008 | 36° | 17° | 26° | — | — |
| 2007 | 49° | 18° | 33° | — | — |
| 2006 | 36° | 15° | 25° | — | — |
| 2005 | 30° | 0° | 15° | 0.03" | 0.1" |
| 2004 | 54° | 20° | 37° | — | — |
| 2003 | 48° | 17° | 33° | — | — |
| 2002 | 39° | 19° | 29° | — | — |
| 2001 | 52° | 14° | 33° | — | — |
| 2000 | 46° | 9° | 27° | — | — |
| 1999 | 31° | 18° | 24° | — | — |
| 1998 | 16° | 1° | 8° | 0.25" | 1" |
| 1997 | 31° | 26° | 28° | — | — |
| 1996 | 34° | 2° | 18° | — | — |
| 1995 | 36° | 14° | 25° | — | — |
| 1994 | 49° | 25° | 37° | — | — |
| 1993 | 30° | 18° | 24° | — | — |
| 1992 | 23° | 16° | 19° | — | — |
| 1991 | 40° | 24° | 32° | — | — |
| 1990 | 21° | -4° | 9° | 0.08" | 0.5" |
| 1989 | 25° | -8° | 9° | — | — |
| 1988 | 49° | 17° | 33° | 0.2" | — |
| 1987 | 42° | 16° | 29° | 0.1" | 0.4" |
| 1986 | 48° | 15° | 32° | — | — |
| 1985 | 42° | 16° | 29° | — | — |
| 1984 | 39° | 9° | 24° | — | — |
| 1983coldest | 15° | 0° | 8° | — | — |
| 1982 | 53° | 15° | 34° | — | — |
| 1981 | 38° | 17° | 27° | — | — |
| 1980 | 33° | 15° | 24° | 0.25" | 0.5" |
| 1979 | 50° | 18° | 34° | — | — |
| 1978 | 45° | 22° | 33° | — | — |
| 1977 | 44° | 22° | 33° | — | — |
| 1976 | 56° | 22° | 39° | — | — |
| 1975 | 44° | 8° | 26° | — | — |
| 1974 | 42° | 26° | 34° | — | — |
| 1973 | 26° | -1° | 13° | 0.64" | 2.5" |
| 1972 | 44° | 17° | 31° | — | — |
| 1971 | 45° | 26° | 35° | — | — |
55 years of data from GREELEY UNC