Weather on October 31
Greeley, CO
55 Years of Data
Avg High
57°F
Avg Low
30°F
Warmest
2016
62°F avg
Coldest
2002
17°F avg
About This Date
October 31st in Greeley, CO typically brings cool fall weather, with average highs around 57°F and lows near 30°F — a 27°F daily swing. Over 55 years of records, the warmest October 31st was in 2016 (62°F average), while the coldest was 2002 (17°F) — a 45°F range across recorded history. Precipitation has occurred on 25% of recorded October 31st dates, with snow falling 7% of the time (heaviest snowfall: 2.5"). The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for October 31st in Greeley, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 55° | 29° | 42° | — | — |
| 2024 | 51° | 32° | 42° | 0.58" | — |
| 2023 | 52° | 22° | 37° | — | — |
| 2022 | 71° | 29° | 50° | — | — |
| 2021 | 59° | 38° | 48° | — | — |
| 2020 | 64° | 34° | 49° | — | — |
| 2019 | 42° | 6° | 24° | — | — |
| 2018 | 53° | 33° | 43° | 0.03" | — |
| 2017 | 49° | 29° | 39° | — | — |
| 2016warmest | 82° | 42° | 62° | — | — |
| 2015 | 70° | 34° | 52° | — | — |
| 2014 | 62° | 31° | 46° | — | — |
| 2013 | 56° | 29° | 42° | — | — |
| 2012 | 75° | 34° | 54° | — | — |
| 2011 | 72° | 31° | 51° | — | — |
| 2010 | 73° | 38° | 55° | — | — |
| 2009 | 58° | 24° | 41° | — | — |
| 2008 | 79° | 33° | 56° | — | — |
| 2007 | 72° | 35° | 53° | 0.03" | — |
| 2006 | 38° | 24° | 31° | — | — |
| 2005 | 56° | 32° | 44° | 0.15" | — |
| 2004 | 64° | 27° | 45° | — | — |
| 2003 | 29° | 23° | 26° | 0.25" | 0.2" |
| 2002coldest | 22° | 12° | 17° | 0.51" | 2" |
| 2001 | 74° | 39° | 56° | — | — |
| 2000 | 46° | 37° | 42° | 0.2" | — |
| 1999 | 75° | 29° | 52° | — | — |
| 1998 | 39° | 35° | 37° | 0.3" | — |
| 1997 | 65° | 40° | 52° | — | — |
| 1996 | 30° | 28° | 29° | — | — |
| 1995 | 39° | 31° | 35° | — | — |
| 1994 | 56° | 22° | 39° | — | — |
| 1993 | 55° | 20° | 37° | — | — |
| 1992 | 55° | 41° | 48° | 0.23" | — |
| 1991 | 36° | 8° | 22° | — | — |
| 1990 | 76° | 34° | 55° | — | — |
| 1989 | 55° | 24° | 40° | 0.58" | 2.5" |
| 1988 | 72° | 35° | 53° | — | — |
| 1987 | 64° | 47° | 55° | 0.56" | — |
| 1986 | 49° | 34° | 41° | 1.02" | 1" |
| 1985 | 55° | 37° | 46° | 0.13" | — |
| 1984 | 65° | 30° | 47° | — | — |
| 1983 | 75° | 38° | 56° | — | — |
| 1982 | 58° | 38° | 48° | 0.03" | — |
| 1981 | 54° | 28° | 41° | — | — |
| 1980 | 61° | 33° | 47° | — | — |
| 1979 | 35° | 27° | 31° | — | — |
| 1978 | 56° | 28° | 42° | — | — |
| 1977 | 61° | 35° | 48° | — | — |
| 1976 | 63° | 23° | 43° | — | — |
| 1975 | 69° | 40° | 54° | — | — |
| 1974 | 50° | 23° | 37° | — | — |
| 1973 | 55° | 40° | 47° | — | — |
| 1972 | 33° | 20° | 26° | — | — |
| 1971 | 50° | 22° | 36° | — | — |
55 years of data from GREELEY UNC