August weather in River Falls, WI
The average temperature in River Falls in August is 67.7°F (56.3°F–79.1°F). Average precipitation: 4.68 inches.
August is a summer month in River Falls, and is warmer than the annual average of 43.4°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Daylight averages about 13h 53m. For travel, August is a comfortable month to visit.
Avg High
79.1°F
Avg Low
56.3°F
Precipitation
4.68 in
Daylight
13h 53m
August records in River Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1964) | 46.0°F (1930) | 1.96 in (2001) |
| August 2 | 99.0°F (1964) | 39.9°F (1924) | 2.93 in (2006) |
| August 3 | 95.0°F (1941) | 42.1°F (1927) | 1.92 in (1956) |
| August 4 | 102.9°F (1947) | 39.9°F (1929) | 2.29 in (2002) |
| August 5 | 98.1°F (1932) | 43.0°F (1927) | 1.12 in (2021) |
| August 6 | 95.0°F (1931) | 46.9°F (1961) | 2.71 in (1972) |
| August 7 | 95.0°F (1983) | 44.1°F (1972) | 1.40 in (1951) |
| August 8 | 96.1°F (1929) | 45.0°F (1922) | 5.52 in (2009) |
| August 9 | 99.0°F (1934) | 35.1°F (1927) | 2.35 in (1979) |
| August 10 | 100.0°F (1947) | 43.0°F (1930) | 2.14 in (1945) |
| August 11 | 96.1°F (1928) | 39.9°F (1946) | 3.67 in (2010) |
| August 12 | 96.1°F (1935) | 42.1°F (1924) | 1.53 in (1985) |
| August 13 | 93.9°F (1944) | 41.0°F (1933) | 1.93 in (1995) |
| August 14 | 93.9°F (1944) | 39.9°F (1921) | 2.05 in (2023) |
| August 15 | 93.0°F (1988) | 42.1°F (1921) | 1.99 in (1978) |
| August 16 | 102.0°F (1936) | 42.1°F (2004) | 1.26 in (2025) |
| August 17 | 99.0°F (1988) | 39.9°F (1924) | 2.26 in (2017) |
| August 18 | 95.0°F (1988) | 37.9°F (1932) | 2.05 in (1993) |
| August 19 | 97.0°F (1955) | 34.0°F (1932) | 2.09 in (2015) |
| August 20 | 91.9°F (1955) | 34.0°F (1950) | 3.01 in (1975) |
| August 21 | 95.0°F (1947) | 35.1°F (2004) | 2.58 in (2002) |
| August 22 | 93.9°F (1947) | 34.0°F (2004) | 3.09 in (1918) |
| August 23 | 95.0°F (1948) | 42.1°F (1923) | 3.46 in (1975) |
| August 24 | 93.9°F (1948) | 34.0°F (1934) | 0.80 in (1982) |
| August 25 | 96.1°F (2003) | 39.0°F (1927) | 2.19 in (2006) |
| August 26 | 93.9°F (1991) | 36.0°F (1934) | 1.68 in (1955) |
| August 27 | 93.9°F (2013) | 35.1°F (1986) | 2.72 in (1981) |
| August 28 | 93.9°F (1926) | 37.9°F (1934) | 1.68 in (1950) |
| August 29 | 93.9°F (1926) | 37.9°F (1935) | 1.35 in (1982) |
| August 30 | 93.0°F (1921) | 32.0°F (1931) | 1.22 in (1993) |
| August 31 | 91.9°F (2012) | 33.1°F (1919) | 4.67 in (1977) |