August weather in Cass Lake, MN
The average temperature in Cass Lake in August is 66.6°F (55.9°F–77.3°F). Average precipitation: 3.06 inches.
August is a summer month in Cass Lake, and is warmer than the annual average of 39.9°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 4m. For travel, August is one of the best months of the year to visit.
Avg High
77.3°F
Avg Low
55.9°F
Precipitation
3.06 in
Daylight
14h 4m
August records in Cass Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (1955) | 19.9°F (1952) | 2.04 in (1950) |
| August 2 | 96.1°F (1989) | 41.0°F (1976) | 1.96 in (1988) |
| August 3 | 96.1°F (1989) | 33.1°F (1971) | 1.60 in (1952) |
| August 4 | 100.0°F (1989) | 36.0°F (1972) | 1.96 in (2016) |
| August 5 | 96.1°F (2001) | 35.1°F (1957) | 2.20 in (1986) |
| August 6 | 95.0°F (1983) | 39.0°F (1977) | 2.56 in (1965) |
| August 7 | 96.1°F (2001) | 39.9°F (1972) | 1.94 in (1966) |
| August 8 | 100.9°F (1983) | 37.9°F (1964) | 1.16 in (2001) |
| August 9 | 90.0°F (1949) | 39.9°F (1972) | 1.51 in (1993) |
| August 10 | 99.0°F (1958) | 37.0°F (1982) | 1.66 in (2017) |
| August 11 | 91.9°F (2007) | 30.9°F (1982) | 2.29 in (1909) |
| August 12 | 93.0°F (1958) | 39.9°F (1986) | 1.57 in (1974) |
| August 13 | 93.9°F (1978) | 32.0°F (1964) | 2.58 in (1999) |
| August 14 | 93.9°F (1978) | 35.1°F (1960) | 2.14 in (1949) |
| August 15 | 97.0°F (2003) | 33.1°F (1979) | 1.13 in (2020) |
| August 16 | 91.0°F (1967) | 39.9°F (1958) | 1.86 in (1987) |
| August 17 | 97.0°F (1988) | 36.0°F (1962) | 0.80 in (2017) |
| August 18 | 95.0°F (2021) | 34.0°F (1975) | 2.30 in (1978) |
| August 19 | 100.0°F (1976) | 35.1°F (1991) | 1.36 in (1995) |
| August 20 | 100.9°F (1976) | 33.1°F (2004) | 2.26 in (2010) |
| August 21 | 97.0°F (1976) | 35.1°F (1986) | 1.82 in (2021) |
| August 22 | 91.0°F (1976) | 35.1°F (1958) | 0.72 in (1963) |
| August 23 | 89.1°F (1995) | 37.0°F (1950) | 3.63 in (1978) |
| August 24 | 89.1°F (2011) | 30.9°F (1977) | 0.63 in (1974) |
| August 25 | 95.0°F (1976) | 34.0°F (1950) | 1.27 in (1959) |
| August 26 | 91.9°F (1983) | 37.0°F (1992) | 0.77 in (1987) |
| August 27 | 91.9°F (1953) | 26.1°F (1982) | 0.76 in (2013) |
| August 28 | 97.0°F (1984) | 30.0°F (1965) | 1.65 in (1964) |
| August 29 | 98.1°F (1984) | 30.9°F (1976) | 0.88 in (2016) |
| August 30 | 91.0°F (1969) | 34.0°F (1982) | 1.40 in (2013) |
| August 31 | 91.9°F (1961) | 30.0°F (1967) | 1.30 in (2020) |