May weather in Cascade, MT
The average temperature in Cascade in May is 53.6°F (40.2°F–67.0°F). Average precipitation: 2.98 inches. Average snowfall is 1.2 inches.
May is a spring month in Cascade, and is warmer than the annual average of 47°F. Daily temperatures swing about 26.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 53m. For travel, May is a comfortable month to visit.
Avg High
67.0°F
Avg Low
40.2°F
Precipitation
2.98 in
Snow
1.2 in
May records in Cascade
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2000) | 8.1°F (2009) | 0.51 in (1915) |
| May 2 | 87.1°F (1985) | 10.0°F (2009) | 1.02 in (1950) |
| May 3 | 84.9°F (1966) | 17.1°F (1967) | 1.88 in (1964) |
| May 4 | 86.0°F (1966) | 19.9°F (1967) | 0.76 in (1914) |
| May 5 | 89.1°F (2017) | 19.9°F (1996) | 0.67 in (1975) |
| May 6 | 87.1°F (1928) | 17.1°F (1919) | 1.15 in (1921) |
| May 7 | 87.1°F (1992) | 21.9°F (1955) | 1.17 in (1995) |
| May 8 | 86.0°F (1987) | 21.0°F (2010) | 1.32 in (1918) |
| May 9 | 86.0°F (1906) | 24.1°F (1909) | 2.01 in (1983) |
| May 10 | 88.0°F (1906) | 17.1°F (1946) | 1.70 in (1914) |
| May 11 | 86.0°F (1993) | 19.0°F (1968) | 1.27 in (1963) |
| May 12 | 90.0°F (2001) | 16.0°F (1943) | 1.31 in (1908) |
| May 13 | 87.1°F (2001) | 21.0°F (1953) | 0.96 in (1995) |
| May 14 | 93.0°F (1936) | 25.0°F (1959) | 1.50 in (1909) |
| May 15 | 90.0°F (2012) | 21.9°F (1929) | 1.30 in (1906) |
| May 16 | 91.9°F (1988) | 27.0°F (1985) | 1.49 in (2015) |
| May 17 | 90.0°F (2006) | 25.0°F (1942) | 2.12 in (2017) |
| May 18 | 90.0°F (2006) | 25.0°F (1965) | 0.79 in (1978) |
| May 19 | 91.0°F (1919) | 23.0°F (1918) | 1.11 in (1938) |
| May 20 | 89.1°F (1958) | 25.0°F (1931) | 2.30 in (1957) |
| May 21 | 91.0°F (1980) | 25.0°F (2009) | 2.16 in (1927) |
| May 22 | 91.9°F (1919) | 25.0°F (1973) | 1.28 in (2002) |
| May 23 | 90.0°F (1919) | 27.0°F (1995) | 1.68 in (2004) |
| May 24 | 90.0°F (1922) | 28.9°F (1950) | 2.08 in (1953) |
| May 25 | 91.0°F (1922) | 28.0°F (1964) | 3.35 in (1980) |
| May 26 | 91.0°F (1936) | 26.1°F (1967) | 0.86 in (1908) |
| May 27 | 91.9°F (1934) | 26.1°F (1918) | 1.51 in (2006) |
| May 28 | 96.1°F (1919) | 19.9°F (1947) | 1.49 in (1982) |
| May 29 | 91.9°F (1936) | 28.0°F (1951) | 2.97 in (1927) |
| May 30 | 91.0°F (1936) | 28.9°F (1924) | 1.47 in (2011) |
| May 31 | 91.0°F (1972) | 25.0°F (1917) | 2.21 in (2000) |