August weather in Trempealeau, WI
The average temperature in Trempealeau in August is 70.2°F (60.7°F–79.7°F). Average precipitation: 4.09 inches.
August is a summer month in Trempealeau, and is warmer than the annual average of 46.6°F. Daily temperatures swing about 19°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 50m. For travel, August is a comfortable month to visit.
Avg High
79.7°F
Avg Low
60.7°F
Precipitation
4.09 in
Daylight
13h 50m
August records in Trempealeau
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1988) | 50.0°F (1990) | 1.35 in (1945) |
| August 2 | 100.9°F (1964) | 52.0°F (1950) | 1.58 in (1952) |
| August 3 | 100.0°F (1982) | 46.0°F (1950) | 1.90 in (1940) |
| August 4 | 99.0°F (1982) | 46.9°F (1971) | 1.61 in (1979) |
| August 5 | 98.1°F (1937) | 44.1°F (1957) | 2.25 in (2016) |
| August 6 | 100.9°F (1937) | 46.9°F (1957) | 1.35 in (2024) |
| August 7 | 102.0°F (1937) | 48.9°F (1976) | 3.15 in (1973) |
| August 8 | 100.0°F (1937) | 46.9°F (1976) | 2.96 in (2021) |
| August 9 | 98.1°F (1937) | 46.0°F (1972) | 1.96 in (1965) |
| August 10 | 99.0°F (1937) | 43.0°F (1982) | 2.53 in (2025) |
| August 11 | 93.0°F (1947) | 42.1°F (1982) | 2.46 in (1994) |
| August 12 | 93.9°F (1947) | 43.0°F (1982) | 1.77 in (2007) |
| August 13 | 95.0°F (1944) | 45.0°F (1990) | 1.40 in (1940) |
| August 14 | 93.9°F (1965) | 39.9°F (1964) | 2.33 in (2010) |
| August 15 | 93.0°F (1938) | 43.0°F (1979) | 1.25 in (1993) |
| August 16 | 98.1°F (1988) | 39.9°F (1976) | 1.38 in (1938) |
| August 17 | 108.0°F (1937) | 42.1°F (1981) | 1.32 in (2000) |
| August 18 | 97.0°F (1947) | 44.1°F (1950) | 0.95 in (2025) |
| August 19 | 95.0°F (1982) | 43.0°F (1985) | 3.50 in (2007) |
| August 20 | 100.0°F (1990) | 39.9°F (1950) | 2.03 in (1939) |
| August 21 | 97.0°F (1955) | 42.1°F (2004) | 1.11 in (1939) |
| August 22 | 96.1°F (1947) | 42.1°F (1950) | 1.67 in (2002) |
| August 23 | 100.9°F (1948) | 46.0°F (1984) | 3.10 in (1973) |
| August 24 | 100.9°F (2023) | 43.0°F (1942) | 0.98 in (2016) |
| August 25 | 96.1°F (1948) | 39.9°F (1958) | 1.95 in (1975) |
| August 26 | 93.9°F (1948) | 43.0°F (1964) | 1.93 in (1990) |
| August 27 | 100.0°F (1937) | 44.1°F (1968) | 1.97 in (1959) |
| August 28 | 104.0°F (1937) | 44.1°F (1982) | 1.50 in (2021) |
| August 29 | 95.0°F (1937) | 39.9°F (1976) | 3.79 in (1960) |
| August 30 | 96.1°F (1937) | 43.0°F (1949) | 2.30 in (2024) |
| August 31 | 99.0°F (1937) | 41.0°F (1984) | 3.15 in (1962) |