Weather on May 20
Fort Collins, CO
55 Years of Data
Avg High
71°F
Avg Low
46°F
Warmest
2020
73°F avg
Coldest
2015
40°F avg
About This Date
May 20th in Fort Collins, CO typically brings pleasant spring weather, with average highs around 71°F and lows near 46°F — a 25°F daily swing. Over 55 years of records, the warmest May 20th was in 2020 (73°F average), while the coldest was 2015 (40°F) — a 33°F range across recorded history. Precipitation has occurred on 42% of recorded May 20th dates, with snow falling 2% of the time. The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.6°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Fort Collins, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 41° | 55° | — | — |
| 2024 | 68° | 48° | 58° | — | — |
| 2023 | 70° | 49° | 59° | 0.03" | — |
| 2022 | 52° | 34° | 43° | 0.38" | — |
| 2021 | 80° | 47° | 63° | — | — |
| 2020warmest | 88° | 59° | 73° | — | — |
| 2019 | 48° | 35° | 42° | 1.14" | — |
| 2018 | 53° | 41° | 47° | 0.23" | — |
| 2017 | 63° | 32° | 47° | — | — |
| 2016 | 77° | 44° | 61° | — | — |
| 2015coldest | 46° | 33° | 40° | 0.38" | — |
| 2014 | 74° | 56° | 65° | — | — |
| 2013 | 65° | 47° | 56° | 0.15" | — |
| 2012 | 75° | 40° | 57° | — | — |
| 2011 | 59° | 39° | 49° | 0.25" | — |
| 2010 | 67° | 50° | 58° | 0.05" | — |
| 2009 | 84° | 56° | 70° | 0.1" | — |
| 2008 | 84° | 45° | 64° | — | — |
| 2007 | 80° | 48° | 64° | — | — |
| 2006 | 85° | 56° | 70° | 0.08" | — |
| 2005 | 91° | 53° | 72° | — | — |
| 2004 | 72° | 52° | 62° | — | — |
| 2003 | 62° | 42° | 52° | — | — |
| 2002 | 61° | 46° | 53° | — | — |
| 2001 | 72° | 33° | 52° | 0.18" | 0.3" |
| 2000 | 67° | 49° | 58° | 0.2" | — |
| 1999 | 72° | 53° | 62° | 0.41" | — |
| 1998 | 81° | 54° | 67° | — | — |
| 1997 | 78° | 41° | 60° | — | — |
| 1996 | 66° | 46° | 56° | 0.25" | — |
| 1995 | 61° | 44° | 52° | 1.63" | — |
| 1994 | 80° | 49° | 64° | — | — |
| 1993 | 71° | 43° | 57° | 0.08" | — |
| 1992 | 84° | 52° | 68° | — | — |
| 1991 | 73° | 55° | 64° | — | — |
| 1990 | 67° | 48° | 57° | — | — |
| 1989 | 76° | 43° | 59° | — | — |
| 1988 | 55° | 41° | 48° | 1.32" | — |
| 1987 | 63° | 51° | 57° | 0.64" | — |
| 1986 | 79° | 45° | 62° | — | — |
| 1985 | 63° | 47° | 55° | 0.08" | — |
| 1984 | 86° | 45° | 65° | — | — |
| 1983 | 60° | 42° | 51° | 0.03" | — |
| 1982 | 62° | 47° | 54° | — | — |
| 1981 | 67° | 41° | 54° | — | — |
| 1980 | 76° | 40° | 58° | — | — |
| 1979 | 62° | 42° | 52° | 0.28" | — |
| 1978 | 69° | 47° | 58° | — | — |
| 1977 | 59° | 43° | 51° | 0.2" | — |
| 1976 | 80° | 46° | 63° | 0.13" | — |
| 1975 | 68° | 42° | 55° | — | — |
| 1974 | 76° | 46° | 61° | — | — |
| 1973 | 82° | 50° | 66° | — | — |
| 1972 | 81° | 50° | 65° | — | — |
| 1971 | 68° | 35° | 52° | — | — |
55 years of data from FT COLLINS