Weather on May 12
Fort Collins, CO
55 Years of Data
About This Date
May 12th 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 56 years of records, the warmest May 12th was in 2025 (69°F average), while the coldest was 2010 (37°F) — a 32°F range across recorded history. Precipitation has occurred on 41% of recorded May 12th dates, with snow falling 4% of the time (heaviest snowfall: 4.1"). The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for May 12th in Fort Collins, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 77° | 54° | 65° | — | — |
| 2025warmest | 86° | 51° | 69° | — | — |
| 2024 | 73° | 48° | 61° | 0.1" | — |
| 2023 | 65° | 48° | 56° | 2.18" | — |
| 2022 | 71° | 51° | 61° | — | — |
| 2021 | 64° | 36° | 50° | — | — |
| 2020 | 61° | 38° | 49° | 0.03" | — |
| 2019 | 77° | 35° | 56° | — | — |
| 2018 | 60° | 47° | 53° | 0.56" | — |
| 2017 | 80° | 41° | 61° | — | — |
| 2016 | 70° | 36° | 53° | — | — |
| 2015 | 70° | 35° | 52° | — | — |
| 2014 | 47° | 32° | 39° | 0.51" | 1.8" |
| 2013 | 82° | 46° | 64° | — | — |
| 2012 | 50° | 37° | 44° | 0.05" | — |
| 2011 | 50° | 39° | 45° | 2.08" | — |
| 2010coldest | 43° | 32° | 37° | 2.34" | 4.1" |
| 2009 | 85° | 51° | 68° | — | — |
| 2008 | 78° | 39° | 59° | 0.23" | — |
| 2007 | 84° | 48° | 66° | — | — |
| 2006 | 84° | 38° | 61° | — | — |
| 2005 | 58° | 33° | 45° | — | — |
| 2004 | 63° | 36° | 49° | 0.91" | — |
| 2003 | 70° | 37° | 53° | — | — |
| 2002 | 60° | 41° | 51° | 0.2" | — |
| 2001 | 82° | 43° | 62° | — | — |
| 2000 | 56° | 40° | 48° | 0.03" | — |
| 1999 | 66° | 31° | 48° | — | — |
| 1998 | 71° | 39° | 55° | 0.1" | — |
| 1997 | 74° | 36° | 55° | — | — |
| 1996 | 71° | 45° | 58° | — | — |
| 1995 | 61° | 47° | 54° | 0.03" | — |
| 1994 | 79° | 49° | 64° | — | — |
| 1993 | 70° | 53° | 61° | — | — |
| 1992 | 74° | 44° | 59° | 0.08" | — |
| 1991 | 78° | 45° | 61° | — | — |
| 1990 | 63° | 40° | 51° | 0.03" | — |
| 1989 | 74° | 51° | 62° | 0.03" | — |
| 1988 | 84° | 41° | 63° | — | — |
| 1987 | 75° | 47° | 61° | 0.05" | — |
| 1986 | 71° | 46° | 59° | 0.13" | — |
| 1985 | 58° | 40° | 49° | — | — |
| 1984 | 85° | 47° | 66° | — | — |
| 1983 | 59° | 29° | 44° | 0.03" | — |
| 1982 | 47° | 41° | 44° | 2.08" | — |
| 1981 | 67° | 36° | 51° | 0.03" | — |
| 1980 | 56° | 34° | 45° | 1.14" | — |
| 1979 | 63° | 33° | 48° | — | — |
| 1978 | 64° | 44° | 54° | — | — |
| 1977 | 77° | 50° | 64° | — | — |
| 1976 | 64° | 30° | 47° | — | — |
| 1975 | 61° | 46° | 53° | — | — |
| 1974 | 81° | 36° | 58° | — | — |
| 1973 | 61° | 44° | 52° | — | — |
| 1972 | 62° | 38° | 50° | — | — |
| 1971 | 67° | 33° | 50° | — | — |
Fort Collins, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Fort Collins, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Fort Collins, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Fort Collins, CO
Fort Collins, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.