August weather in Casco, WI
The average temperature in Casco in August is 67.6°F (59.8°F–75.3°F). Average precipitation: 3.42 inches.
August is a summer month in Casco, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 15.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 52m. For travel, August is one of the best months of the year to visit.
Avg High
75.3°F
Avg Low
59.8°F
Precipitation
3.42 in
Daylight
13h 52m
August records in Casco
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 98.1°F (2006) | 44.1°F (1990) | 1.51 in (1994) |
| August 2 | 97.0°F (1964) | 46.9°F (1920) | 1.70 in (1934) |
| August 3 | 91.0°F (1957) | 46.9°F (1912) | 3.02 in (1984) |
| August 4 | 93.0°F (1955) | 42.1°F (1972) | 1.90 in (1935) |
| August 5 | 100.0°F (1931) | 46.0°F (1994) | 1.32 in (1989) |
| August 6 | 100.9°F (1918) | 46.9°F (1990) | 1.72 in (1958) |
| August 7 | 97.0°F (1918) | 42.1°F (1990) | 2.25 in (2022) |
| August 8 | 98.1°F (1949) | 37.9°F (1926) | 2.95 in (2021) |
| August 9 | 96.1°F (1949) | 46.0°F (1972) | 1.33 in (1913) |
| August 10 | 93.9°F (1944) | 45.0°F (1972) | 1.55 in (1938) |
| August 11 | 100.0°F (1944) | 43.0°F (2001) | 1.54 in (1941) |
| August 12 | 97.0°F (1944) | 46.9°F (1946) | 3.21 in (1995) |
| August 13 | 93.9°F (1918) | 45.0°F (1950) | 1.41 in (1985) |
| August 14 | 95.0°F (1965) | 44.1°F (1979) | 1.22 in (2022) |
| August 15 | 91.9°F (1937) | 44.1°F (1976) | 1.53 in (2000) |
| August 16 | 96.1°F (1937) | 44.1°F (1979) | 1.20 in (1938) |
| August 17 | 90.0°F (1969) | 46.0°F (1953) | 2.00 in (1965) |
| August 18 | 93.9°F (1947) | 44.1°F (1963) | 2.16 in (1914) |
| August 19 | 96.1°F (1916) | 44.1°F (2004) | 4.40 in (2005) |
| August 20 | 102.0°F (1916) | 41.0°F (1934) | 4.08 in (1980) |
| August 21 | 100.0°F (1955) | 42.1°F (2004) | 2.60 in (2010) |
| August 22 | 95.0°F (1968) | 43.0°F (1967) | 2.11 in (2002) |
| August 23 | 95.0°F (1909) | 41.0°F (1940) | 2.00 in (1975) |
| August 24 | 102.0°F (1948) | 43.0°F (1934) | 1.00 in (1910) |
| August 25 | 99.0°F (1948) | 39.9°F (1917) | 1.09 in (1985) |
| August 26 | 95.0°F (1970) | 39.9°F (1940) | 1.20 in (1940) |
| August 27 | 95.0°F (1953) | 37.9°F (1915) | 2.00 in (2019) |
| August 28 | 95.0°F (1953) | 39.9°F (1915) | 1.23 in (1975) |
| August 29 | 91.9°F (1953) | 41.0°F (1917) | 1.70 in (2018) |
| August 30 | 93.0°F (1969) | 37.9°F (1915) | 1.13 in (1984) |
| August 31 | 91.9°F (1929) | 42.1°F (2009) | 1.38 in (1997) |