Weather on January 15
Fort Collins, CO
55 Years of Data
Avg High
45°F
Avg Low
16°F
Warmest
1999
46°F avg
Coldest
2024
-3°F avg
About This Date
January 15th in Fort Collins, CO typically brings chilly winter weather, with average highs around 45°F and lows near 16°F — a 29°F daily swing. Over 56 years of records, the warmest January 15th was in 1999 (46°F average), while the coldest was 2024 (-3°F) — a 49°F range across recorded history. Precipitation has occurred on 11% of recorded January 15th dates, with snow falling 14% of the time (heaviest snowfall: 2.7"). The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.9°F cooler on this date compared to 20-30 years ago.
Planning for January 15th in Fort Collins, CO? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 25° | 43° | — | — |
| 2025 | 50° | 12° | 31° | — | — |
| 2024coldest | 3° | -9° | -3° | 0.18" | 1.1" |
| 2023 | 47° | 28° | 37° | — | — |
| 2022 | 44° | 15° | 30° | — | — |
| 2021 | 46° | 22° | 34° | — | — |
| 2020 | 45° | 24° | 34° | — | — |
| 2019 | 53° | 16° | 34° | — | — |
| 2018 | 38° | 14° | 26° | 0.18" | 1.9" |
| 2017 | 38° | 22° | 30° | — | — |
| 2016 | 39° | 22° | 30° | — | 0.1" |
| 2015 | 50° | 17° | 34° | — | — |
| 2014 | 61° | 18° | 39° | — | — |
| 2013 | 33° | -4° | 15° | — | — |
| 2012 | 49° | 27° | 38° | — | — |
| 2011 | 44° | 25° | 34° | — | — |
| 2010 | 47° | 17° | 32° | — | — |
| 2009 | 40° | 21° | 30° | — | — |
| 2008 | 50° | 19° | 35° | — | — |
| 2007 | 24° | -8° | 8° | — | — |
| 2006 | 59° | 34° | 46° | — | — |
| 2005 | 26° | 8° | 17° | — | 0.6" |
| 2004 | 57° | 21° | 39° | — | — |
| 2003 | 51° | 24° | 38° | — | — |
| 2002 | 26° | 14° | 20° | — | — |
| 2001 | 36° | 12° | 24° | — | — |
| 2000 | 57° | 23° | 40° | — | — |
| 1999warmest | 58° | 34° | 46° | — | — |
| 1998 | 50° | 16° | 33° | — | — |
| 1997 | 41° | 10° | 26° | — | — |
| 1996 | 62° | 22° | 42° | — | — |
| 1995 | 65° | 26° | 45° | — | — |
| 1994 | 50° | 18° | 34° | — | — |
| 1993 | 50° | 13° | 31° | — | — |
| 1992 | 25° | -2° | 11° | — | — |
| 1991 | 41° | 21° | 31° | — | — |
| 1990 | 50° | 26° | 38° | — | — |
| 1989 | 34° | 11° | 22° | — | — |
| 1988 | 58° | 24° | 41° | — | — |
| 1987 | 30° | 8° | 19° | 0.25" | 2.7" |
| 1986 | 53° | 21° | 37° | — | — |
| 1985 | 46° | 15° | 31° | — | — |
| 1984 | 15° | -11° | 2° | 0.03" | 0.4" |
| 1983 | 44° | 14° | 29° | — | — |
| 1982 | 46° | 10° | 28° | — | — |
| 1981 | 48° | 20° | 34° | — | — |
| 1980 | 48° | 29° | 38° | — | — |
| 1979 | 49° | 8° | 28° | — | — |
| 1978 | 35° | 14° | 25° | 0.28" | 1.8" |
| 1977 | 26° | 9° | 17° | 0.03" | 0.2" |
| 1976 | 55° | 25° | 40° | — | — |
| 1975 | 56° | 26° | 41° | — | — |
| 1974 | 56° | 29° | 42° | — | — |
| 1973 | 55° | 25° | 40° | — | — |
| 1972 | 34° | -11° | 11° | — | — |
| 1971 | 38° | 13° | 25° | — | — |
56 years of data from FT COLLINS