May weather in Fort Collins, CO
The average temperature in Fort Collins in May is 57.5°F (44.1°F–70.9°F). Average precipitation: 2.72 inches. Average snowfall is 1.6 inches.
May is a spring month in Fort Collins, and is warmer than the annual average of 50.7°F. Daily temperatures swing about 26.8°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 15m. For travel, May is a comfortable month to visit.
Avg High
70.9°F
Avg Low
44.1°F
Precipitation
2.72 in
Snow
1.6 in
May records in Fort Collins
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (1928) | 19.0°F (1907) | 1.85 in (1978) |
| May 2 | 84.0°F (1947) | 17.1°F (2013) | 3.02 in (1904) |
| May 3 | 84.9°F (1940) | 23.0°F (1907) | 1.74 in (2018) |
| May 4 | 88.0°F (2000) | 23.0°F (1899) | 1.21 in (1959) |
| May 5 | 90.0°F (2000) | 25.0°F (1944) | 1.61 in (1960) |
| May 6 | 88.0°F (2004) | 12.0°F (1917) | 1.64 in (1978) |
| May 7 | 86.0°F (1896) | 24.1°F (1924) | 1.36 in (1969) |
| May 8 | 90.0°F (1895) | 27.0°F (1938) | 1.76 in (1958) |
| May 9 | 88.0°F (1916) | 24.1°F (1909) | 1.55 in (2015) |
| May 10 | 86.0°F (1961) | 25.0°F (1924) | 1.63 in (2003) |
| May 11 | 88.0°F (1940) | 27.0°F (1911) | 1.97 in (2014) |
| May 12 | 86.0°F (2025) | 26.1°F (1953) | 1.48 in (1910) |
| May 13 | 88.0°F (1988) | 27.0°F (1966) | 3.21 in (1961) |
| May 14 | 87.1°F (1937) | 21.9°F (1912) | 1.18 in (1916) |
| May 15 | 88.0°F (1978) | 28.0°F (1924) | 1.00 in (1957) |
| May 16 | 91.0°F (1996) | 26.1°F (1916) | 1.69 in (1952) |
| May 17 | 89.1°F (1964) | 28.0°F (1910) | 1.56 in (1930) |
| May 18 | 88.0°F (1934) | 27.0°F (1915) | 2.77 in (2017) |
| May 19 | 89.1°F (1939) | 27.0°F (1915) | 1.43 in (2015) |
| May 20 | 91.0°F (2005) | 28.0°F (1931) | 2.23 in (1916) |
| May 21 | 90.0°F (2005) | 28.9°F (1915) | 1.65 in (1923) |
| May 22 | 91.0°F (2012) | 28.9°F (1931) | 2.32 in (1901) |
| May 23 | 91.0°F (1989) | 28.9°F (1930) | 1.60 in (1906) |
| May 24 | 87.1°F (1896) | 32.0°F (2002) | 1.86 in (1908) |
| May 25 | 88.0°F (1964) | 32.0°F (1950) | 2.13 in (1950) |
| May 26 | 90.0°F (1942) | 33.1°F (1950) | 1.12 in (1996) |
| May 27 | 91.0°F (2006) | 35.1°F (1903) | 1.38 in (1924) |
| May 28 | 91.0°F (2010) | 30.9°F (1947) | 1.34 in (1947) |
| May 29 | 97.0°F (2000) | 25.0°F (1947) | 2.15 in (1975) |
| May 30 | 91.9°F (1994) | 32.0°F (1927) | 2.18 in (1895) |
| May 31 | 90.0°F (1940) | 33.1°F (1917) | 1.08 in (1948) |