August weather in St. Donatus, IA
The average temperature in St. Donatus in August is 69.9°F (59.5°F–80.3°F). Average precipitation: 4.19 inches.
August is a summer month in St. Donatus, and is warmer than the annual average of 47°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 43m. For travel, August is a comfortable month to visit.
Avg High
80.3°F
Avg Low
59.5°F
Precipitation
4.19 in
Daylight
13h 43m
August records in St. Donatus
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (1897) | 48.0°F (1895) | 0.98 in (1942) |
| August 2 | 93.9°F (2012) | 55.0°F (1898) | 3.60 in (1972) |
| August 3 | 93.0°F (2012) | 50.0°F (2013) | 1.92 in (1952) |
| August 4 | 95.0°F (1896) | 46.9°F (1898) | 2.20 in (1982) |
| August 5 | 93.9°F (1896) | 51.1°F (1901) | 2.03 in (1955) |
| August 6 | 88.0°F (1896) | 52.0°F (1901) | 2.97 in (2018) |
| August 7 | 93.9°F (1901) | 52.0°F (1895) | 1.72 in (1933) |
| August 8 | 93.9°F (1896) | 52.0°F (2017) | 3.18 in (1991) |
| August 9 | 98.1°F (1895) | 48.9°F (1898) | 2.94 in (2010) |
| August 10 | 91.0°F (1899) | 53.1°F (1897) | 3.07 in (1949) |
| August 11 | 91.0°F (1899) | 48.0°F (2012) | 1.49 in (1974) |
| August 12 | 90.0°F (1901) | 45.0°F (1898) | 1.91 in (2016) |
| August 13 | 96.1°F (1895) | 46.9°F (1898) | 3.85 in (1943) |
| August 14 | 100.0°F (1895) | 46.9°F (2013) | 2.35 in (1945) |
| August 15 | 90.0°F (1895) | 46.0°F (2013) | 2.80 in (1898) |
| August 16 | 96.1°F (1895) | 48.0°F (2013) | 1.81 in (1938) |
| August 17 | 91.9°F (1901) | 46.9°F (1896) | 2.18 in (1965) |
| August 18 | 91.0°F (1899) | 44.1°F (1897) | 1.26 in (1946) |
| August 19 | 93.9°F (1901) | 46.0°F (1896) | 2.73 in (1935) |
| August 20 | 91.9°F (1901) | 37.0°F (1897) | 2.07 in (1952) |
| August 21 | 91.0°F (1901) | 42.1°F (1897) | 2.28 in (2018) |
| August 22 | 91.9°F (1895) | 44.1°F (1897) | 11.69 in (2002) |
| August 23 | 90.0°F (1898) | 48.0°F (1896) | 2.06 in (1928) |
| August 24 | 91.0°F (2012) | 44.1°F (1896) | 2.09 in (1962) |
| August 25 | 91.0°F (2012) | 41.0°F (1897) | 1.12 in (1990) |
| August 26 | 89.1°F (1901) | 45.0°F (1896) | 1.41 in (1983) |
| August 27 | 96.1°F (1895) | 39.0°F (1896) | 1.93 in (1979) |
| August 28 | 93.0°F (1897) | 44.1°F (1896) | 1.87 in (1936) |
| August 29 | 91.0°F (2021) | 51.1°F (2019) | 1.53 in (1960) |
| August 30 | 88.0°F (1898) | 37.0°F (1897) | 1.57 in (1957) |
| August 31 | 93.0°F (2013) | 46.0°F (1896) | 2.28 in (1956) |