May weather in Cass Lake, MN
The average temperature in Cass Lake in May is 53.6°F (42.3°F–65.0°F). Average precipitation: 2.93 inches.
May is a spring month in Cass Lake, and is warmer than the annual average of 39.9°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 54m. For travel, May is a comfortable month to visit.
Avg High
65.0°F
Avg Low
42.3°F
Precipitation
2.93 in
Daylight
14h 54m
May records in Cass Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1952) | 10.0°F (1966) | 0.64 in (1987) |
| May 2 | 87.1°F (1959) | 15.1°F (1967) | 0.55 in (1951) |
| May 3 | 93.9°F (1959) | 14.0°F (1967) | 0.74 in (1954) |
| May 4 | 91.0°F (1952) | 17.1°F (1973) | 0.75 in (1959) |
| May 5 | 88.0°F (1980) | 12.0°F (1967) | 1.34 in (1950) |
| May 6 | 89.1°F (2016) | 17.1°F (1974) | 0.97 in (1949) |
| May 7 | 89.1°F (2016) | 16.0°F (1976) | 0.87 in (2023) |
| May 8 | 88.0°F (1953) | 19.0°F (1983) | 0.89 in (2000) |
| May 9 | 86.0°F (1987) | 21.0°F (1960) | 0.90 in (1995) |
| May 10 | 88.0°F (1992) | 18.0°F (1966) | 1.53 in (1999) |
| May 11 | 81.0°F (1987) | 21.9°F (1990) | 1.45 in (1985) |
| May 12 | 93.0°F (2025) | 19.0°F (1967) | 0.92 in (1985) |
| May 13 | 89.1°F (2025) | 21.9°F (1953) | 1.25 in (1961) |
| May 14 | 89.1°F (1977) | 25.0°F (1984) | 1.02 in (1906) |
| May 15 | 91.0°F (1991) | 19.9°F (1980) | 2.00 in (1969) |
| May 16 | 86.0°F (1987) | 19.0°F (1983) | 1.20 in (1998) |
| May 17 | 86.0°F (1972) | 19.9°F (1983) | 1.75 in (2015) |
| May 18 | 91.0°F (1972) | 25.0°F (1976) | 1.08 in (2015) |
| May 19 | 91.9°F (2012) | 24.1°F (1968) | 0.50 in (1910) |
| May 20 | 88.0°F (1994) | 26.1°F (1990) | 1.32 in (2013) |
| May 21 | 87.1°F (1992) | 25.0°F (1993) | 1.81 in (1953) |
| May 22 | 95.0°F (1964) | 23.0°F (1959) | 1.77 in (2007) |
| May 23 | 88.0°F (1964) | 21.0°F (1963) | 3.13 in (1962) |
| May 24 | 89.1°F (1980) | 27.0°F (1949) | 1.81 in (1993) |
| May 25 | 88.0°F (1980) | 23.0°F (1983) | 1.93 in (1908) |
| May 26 | 90.0°F (2018) | 27.0°F (1961) | 0.74 in (1906) |
| May 27 | 88.0°F (2018) | 25.0°F (1984) | 1.03 in (1963) |
| May 28 | 93.0°F (1980) | 27.0°F (1958) | 0.82 in (1955) |
| May 29 | 90.0°F (1980) | 26.1°F (1984) | 0.74 in (2015) |
| May 30 | 91.0°F (2018) | 28.0°F (1966) | 2.05 in (1949) |
| May 31 | 91.9°F (1986) | 27.0°F (1964) | 2.46 in (2023) |