Weather on May 11
Fort Collins, CO
55 Years of Data
Avg High
68°F
Avg Low
41°F
Warmest
1991
69°F avg
Coldest
2021
37°F avg
About This Date
May 11th in Fort Collins, CO typically brings mild spring weather, with average highs around 68°F and lows near 41°F — a 27°F daily swing. Over 55 years of records, the warmest May 11th was in 1991 (69°F average), while the coldest was 2021 (37°F) — a 32°F range across recorded history. Precipitation has occurred on 38% of recorded May 11th dates, with snow falling 4% of the time (heaviest snowfall: 3.8"). The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Fort Collins, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 46° | 65° | — | — |
| 2024 | 68° | 36° | 52° | — | — |
| 2023 | 56° | 48° | 52° | 2.31" | — |
| 2022 | 85° | 43° | 64° | — | — |
| 2021coldest | 42° | 32° | 37° | 1.52" | 0.8" |
| 2020 | 59° | 34° | 46° | 0.41" | — |
| 2019 | 65° | 31° | 48° | 0.13" | — |
| 2018 | 68° | 50° | 59° | — | — |
| 2017 | 66° | 43° | 54° | — | — |
| 2016 | 61° | 41° | 51° | 0.05" | — |
| 2015 | 57° | 28° | 43° | — | — |
| 2014 | 54° | 33° | 43° | 5" | 3.8" |
| 2013 | 67° | 47° | 57° | 0.03" | — |
| 2012 | 74° | 41° | 57° | 0.1" | — |
| 2011 | 66° | 38° | 52° | 2.57" | — |
| 2010 | 57° | 34° | 45° | 1.47" | — |
| 2009 | 70° | 45° | 57° | — | — |
| 2008 | 76° | 28° | 52° | — | — |
| 2007 | 85° | 47° | 66° | — | — |
| 2006 | 68° | 33° | 51° | — | — |
| 2005 | 58° | 40° | 49° | 2.87" | — |
| 2004 | 83° | 52° | 67° | — | — |
| 2003 | 57° | 31° | 44° | — | — |
| 2002 | 62° | 45° | 53° | 0.3" | — |
| 2001 | 73° | 49° | 61° | — | — |
| 2000 | 70° | 46° | 58° | — | — |
| 1999 | 54° | 33° | 43° | — | — |
| 1998 | 68° | 52° | 60° | — | — |
| 1997 | 75° | 47° | 61° | — | — |
| 1996 | 77° | 46° | 62° | 0.03" | — |
| 1995 | 69° | 40° | 54° | — | — |
| 1994 | 79° | 49° | 64° | — | — |
| 1993 | 68° | 36° | 52° | — | — |
| 1992 | 80° | 41° | 61° | — | — |
| 1991warmest | 85° | 54° | 69° | — | — |
| 1990 | 60° | 40° | 50° | 0.36" | — |
| 1989 | 79° | 43° | 61° | — | — |
| 1988 | 77° | 35° | 56° | — | — |
| 1987 | 75° | 47° | 61° | 0.13" | — |
| 1986 | 76° | 38° | 57° | — | — |
| 1985 | 68° | 51° | 60° | — | — |
| 1984 | 78° | 48° | 63° | — | — |
| 1983 | 64° | 34° | 49° | 0.2" | — |
| 1982 | 59° | 38° | 48° | 0.69" | — |
| 1981 | 62° | 40° | 51° | — | — |
| 1980 | 53° | 39° | 46° | 0.86" | — |
| 1979 | 60° | 29° | 44° | — | — |
| 1978 | 70° | 46° | 58° | — | — |
| 1977 | 70° | 42° | 56° | — | — |
| 1976 | 74° | 43° | 58° | 0.05" | — |
| 1975 | 65° | 47° | 56° | — | — |
| 1974 | 74° | 37° | 55° | — | — |
| 1973 | 60° | 38° | 49° | — | — |
| 1972 | 61° | 41° | 51° | 0.33" | — |
| 1971 | 48° | 41° | 45° | 0.74" | — |
55 years of data from FT COLLINS