Weather on January 31
Fort Collins, CO
55 Years of Data
Avg High
45°F
Avg Low
18°F
Warmest
1997
54°F avg
Coldest
1985
-3°F avg
About This Date
January 31st in Fort Collins, CO typically brings chilly winter weather, with average highs around 45°F and lows near 18°F — a 27°F daily swing. Over 56 years of records, the warmest January 31st was in 1997 (54°F average), while the coldest was 1985 (-3°F) — a 57°F range across recorded history. Precipitation has occurred on 18% of recorded January 31st dates, with snow falling 18% of the time (heaviest snowfall: 5.8"). 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 January 31st in Fort Collins, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 61° | 24° | 42° | — | — |
| 2025 | 56° | 17° | 36° | — | — |
| 2024 | 63° | 22° | 42° | — | — |
| 2023 | 25° | -6° | 10° | — | — |
| 2022 | 55° | 16° | 35° | — | — |
| 2021 | 51° | 21° | 36° | — | — |
| 2020 | 54° | 22° | 38° | — | — |
| 2019 | 52° | 17° | 34° | — | — |
| 2018 | 56° | 27° | 41° | — | — |
| 2017 | 58° | 27° | 42° | — | — |
| 2016 | 39° | 23° | 31° | 0.13" | 0.8" |
| 2015 | 44° | 32° | 38° | — | — |
| 2014 | 34° | 16° | 25° | 1.63" | 5.8" |
| 2013 | 41° | 22° | 31° | — | — |
| 2012 | 49° | 25° | 37° | — | — |
| 2011 | 33° | 5° | 19° | 0.08" | 0.3" |
| 2010 | 42° | 22° | 32° | — | — |
| 2009 | 62° | 19° | 41° | — | — |
| 2008 | 38° | 10° | 24° | — | — |
| 2007 | 29° | 13° | 21° | 0.03" | 0.3" |
| 2006 | 58° | 25° | 41° | — | — |
| 2005 | 42° | 29° | 35° | 0.38" | 1.7" |
| 2004 | 39° | 26° | 33° | 0.41" | 2.8" |
| 2003 | 64° | 30° | 47° | — | — |
| 2002 | 34° | 0° | 17° | — | — |
| 2001 | 36° | 8° | 22° | — | — |
| 2000 | 46° | 10° | 28° | — | — |
| 1999 | 42° | 28° | 35° | — | — |
| 1998 | 45° | 27° | 36° | — | — |
| 1997warmest | 66° | 41° | 54° | — | — |
| 1996 | 15° | 4° | 9° | 0.38" | 2" |
| 1995 | 56° | 29° | 42° | — | — |
| 1994 | 27° | -2° | 12° | — | — |
| 1993 | 54° | 18° | 36° | — | — |
| 1992 | 59° | 25° | 42° | — | — |
| 1991 | 42° | 9° | 25° | — | — |
| 1990 | 53° | 18° | 35° | — | — |
| 1989 | 58° | 29° | 43° | — | — |
| 1988 | 44° | 18° | 31° | 0.03" | 0.2" |
| 1987 | 54° | 26° | 40° | — | — |
| 1986 | 57° | 30° | 44° | — | — |
| 1985coldest | 9° | -15° | -3° | — | — |
| 1984 | 52° | 18° | 35° | — | — |
| 1983 | 35° | 24° | 30° | 0.03" | 0.2" |
| 1982 | 47° | 18° | 32° | — | — |
| 1981 | 38° | 25° | 31° | — | — |
| 1980 | 32° | -9° | 12° | — | — |
| 1979 | 25° | -12° | 7° | — | — |
| 1978 | 30° | 18° | 24° | — | — |
| 1977 | 56° | 14° | 35° | — | — |
| 1976 | 55° | 21° | 38° | — | — |
| 1975 | 34° | 9° | 21° | 0.03" | 1" |
| 1974 | 53° | 34° | 43° | — | — |
| 1973 | 44° | 23° | 34° | — | — |
| 1972 | 44° | 10° | 27° | — | — |
| 1971 | 60° | 21° | 41° | — | — |
56 years of data from FT COLLINS