August weather in Superior, MT
The average temperature in Superior in August is 68.8°F (49.4°F–88.2°F). Average precipitation: 1.05 inches.
August is a summer month in Superior, and is warmer than the annual average of 47.7°F. Daily temperatures swing about 38.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 14h 3m. For travel, August is hot.
Avg High
88.2°F
Avg Low
49.4°F
Precipitation
1.05 in
Daylight
14h 3m
August records in Superior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1971) | 30.9°F (1917) | 1.51 in (1991) |
| August 2 | 104.0°F (1914) | 37.0°F (1937) | 0.80 in (2013) |
| August 3 | 104.0°F (1961) | 35.1°F (1923) | 1.42 in (1965) |
| August 4 | 106.0°F (1961) | 35.1°F (2013) | 0.20 in (1994) |
| August 5 | 102.9°F (1961) | 35.1°F (1917) | 1.41 in (1971) |
| August 6 | 102.9°F (1998) | 34.0°F (1935) | 1.20 in (1984) |
| August 7 | 100.0°F (1930) | 32.0°F (1946) | 0.53 in (2009) |
| August 8 | 102.9°F (1930) | 30.9°F (1917) | 0.15 in (1916) |
| August 9 | 100.0°F (1928) | 32.0°F (1914) | 0.93 in (1918) |
| August 10 | 105.1°F (2018) | 34.0°F (1947) | 1.48 in (1952) |
| August 11 | 107.1°F (2018) | 33.1°F (1931) | 0.54 in (1990) |
| August 12 | 104.0°F (1929) | 36.0°F (1918) | 0.40 in (1945) |
| August 13 | 100.0°F (1935) | 24.1°F (1918) | 1.00 in (1944) |
| August 14 | 100.9°F (2015) | 32.0°F (1942) | 0.45 in (1925) |
| August 15 | 99.0°F (1933) | 33.1°F (1935) | 0.49 in (1968) |
| August 16 | 100.0°F (1931) | 30.0°F (1935) | 0.60 in (1930) |
| August 17 | 100.9°F (1931) | 30.9°F (1946) | 0.47 in (1916) |
| August 18 | 100.9°F (2001) | 32.0°F (1920) | 0.37 in (1980) |
| August 19 | 100.9°F (2008) | 30.9°F (1920) | 0.64 in (1924) |
| August 20 | 100.0°F (1942) | 30.9°F (1929) | 0.82 in (1923) |
| August 21 | 100.0°F (1940) | 35.1°F (1997) | 1.11 in (2008) |
| August 22 | 102.9°F (1969) | 37.0°F (1916) | 1.69 in (1947) |
| August 23 | 105.1°F (1969) | 33.1°F (1918) | 0.86 in (2004) |
| August 24 | 105.1°F (1969) | 30.9°F (1921) | 1.00 in (1979) |
| August 25 | 100.0°F (1926) | 33.1°F (1935) | 0.20 in (2004) |
| August 26 | 102.0°F (1986) | 30.0°F (1920) | 0.75 in (2004) |
| August 27 | 98.1°F (1971) | 33.1°F (1936) | 0.65 in (1966) |
| August 28 | 98.1°F (1929) | 30.0°F (1918) | 0.64 in (1964) |
| August 29 | 97.0°F (2011) | 30.0°F (1942) | 0.57 in (1961) |
| August 30 | 100.0°F (1955) | 28.9°F (1924) | 0.71 in (2002) |
| August 31 | 98.1°F (1929) | 28.9°F (1937) | 0.55 in (1986) |