August weather in St. Francis, WI
The average temperature in St. Francis in August is 72.3°F (64.2°F–80.3°F). Average precipitation: 3.65 inches.
August is a summer month in St. Francis, and is warmer than the annual average of 49.3°F. Daily temperatures swing about 16.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 46m. For travel, August is a comfortable month to visit.
Avg High
80.3°F
Avg Low
64.2°F
Precipitation
3.65 in
Daylight
13h 46m
August records in St. Francis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1988) | 48.9°F (1947) | 2.78 in (1953) |
| August 2 | 99.0°F (1988) | 51.1°F (1962) | 4.79 in (2020) |
| August 3 | 100.0°F (1988) | 48.9°F (1966) | 2.23 in (1952) |
| August 4 | 99.0°F (1947) | 48.9°F (1972) | 1.86 in (1989) |
| August 5 | 98.1°F (1947) | 48.0°F (1972) | 3.65 in (1998) |
| August 6 | 93.9°F (1968) | 50.0°F (1971) | 6.81 in (1986) |
| August 7 | 93.9°F (1979) | 50.0°F (1989) | 1.36 in (1980) |
| August 8 | 97.0°F (1983) | 50.0°F (1976) | 2.00 in (1991) |
| August 9 | 95.0°F (2001) | 48.9°F (1964) | 5.74 in (2025) |
| August 10 | 97.0°F (1944) | 50.0°F (1962) | 1.68 in (1938) |
| August 11 | 97.0°F (1941) | 46.9°F (1962) | 0.75 in (1972) |
| August 12 | 93.9°F (1988) | 48.0°F (1967) | 2.32 in (2002) |
| August 13 | 95.0°F (1944) | 48.0°F (1961) | 0.76 in (1977) |
| August 14 | 96.1°F (1944) | 46.9°F (1962) | 2.08 in (2023) |
| August 15 | 93.0°F (1955) | 46.0°F (1962) | 2.38 in (1987) |
| August 16 | 100.0°F (1988) | 46.0°F (1979) | 2.61 in (1995) |
| August 17 | 100.0°F (1988) | 50.0°F (1963) | 2.37 in (1983) |
| August 18 | 97.0°F (1947) | 44.1°F (1962) | 2.45 in (1990) |
| August 19 | 98.1°F (1955) | 50.0°F (1977) | 1.03 in (2007) |
| August 20 | 97.0°F (1955) | 44.1°F (1950) | 2.13 in (2018) |
| August 21 | 100.0°F (1955) | 46.0°F (1950) | 1.37 in (1964) |
| August 22 | 91.9°F (1947) | 45.0°F (1969) | 1.67 in (2013) |
| August 23 | 100.9°F (2023) | 48.9°F (1940) | 1.26 in (2014) |
| August 24 | 100.0°F (1948) | 48.0°F (1942) | 1.14 in (1962) |
| August 25 | 93.9°F (1948) | 46.0°F (1958) | 2.14 in (2020) |
| August 26 | 96.1°F (1953) | 46.9°F (1964) | 2.08 in (1940) |
| August 27 | 99.0°F (1973) | 50.0°F (1982) | 1.36 in (1950) |
| August 28 | 96.1°F (1973) | 45.0°F (1965) | 1.23 in (1976) |
| August 29 | 96.1°F (1973) | 44.1°F (1965) | 1.40 in (1955) |
| August 30 | 96.1°F (1958) | 46.9°F (1946) | 2.09 in (2016) |
| August 31 | 97.0°F (1953) | 46.0°F (2009) | 0.60 in (1989) |