August weather in St. Peter, MN
The average temperature in St. Peter in August is 69.1°F (58.8°F–79.4°F). Average precipitation: 3.56 inches.
August is a summer month in St. Peter, and is warmer than the annual average of 43.9°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 51m. For travel, August is one of the best months of the year to visit.
Avg High
79.4°F
Avg Low
58.8°F
Precipitation
3.56 in
Daylight
13h 51m
August records in St. Peter
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.0°F (1988) | 45.0°F (1898) | 3.38 in (1928) |
| August 2 | 100.0°F (1930) | 39.0°F (1994) | 1.74 in (2006) |
| August 3 | 99.0°F (1930) | 37.0°F (1894) | 1.30 in (1937) |
| August 4 | 104.0°F (1947) | 39.0°F (1894) | 2.31 in (1979) |
| August 5 | 102.0°F (1947) | 44.1°F (1948) | 2.61 in (1898) |
| August 6 | 98.1°F (1919) | 44.1°F (1994) | 1.80 in (1967) |
| August 7 | 98.1°F (1949) | 46.0°F (1903) | 8.62 in (1968) |
| August 8 | 98.1°F (1930) | 42.1°F (1904) | 2.96 in (1951) |
| August 9 | 98.1°F (1947) | 37.9°F (1927) | 2.01 in (1987) |
| August 10 | 102.9°F (1947) | 42.1°F (1904) | 4.00 in (1994) |
| August 11 | 100.0°F (1947) | 43.0°F (2004) | 2.55 in (2016) |
| August 12 | 97.0°F (1947) | 44.1°F (1946) | 2.67 in (1985) |
| August 13 | 98.1°F (1895) | 43.0°F (1916) | 1.91 in (1981) |
| August 14 | 97.0°F (1938) | 41.0°F (1964) | 5.40 in (1993) |
| August 15 | 104.0°F (1936) | 41.0°F (1964) | 1.90 in (1928) |
| August 16 | 100.9°F (1988) | 43.0°F (1896) | 1.00 in (1932) |
| August 17 | 100.9°F (1947) | 42.1°F (1896) | 2.05 in (2025) |
| August 18 | 100.0°F (1947) | 42.1°F (1896) | 2.06 in (2025) |
| August 19 | 97.0°F (1922) | 41.0°F (1950) | 3.77 in (2007) |
| August 20 | 98.1°F (1955) | 36.0°F (1950) | 2.50 in (1947) |
| August 21 | 99.0°F (1947) | 37.9°F (2004) | 1.95 in (1964) |
| August 22 | 98.1°F (1947) | 41.0°F (1908) | 2.33 in (1928) |
| August 23 | 97.0°F (1947) | 43.0°F (1908) | 1.98 in (1957) |
| August 24 | 102.0°F (1936) | 37.0°F (1927) | 2.05 in (1947) |
| August 25 | 98.1°F (1948) | 39.9°F (1893) | 2.27 in (1960) |
| August 26 | 95.0°F (1937) | 37.9°F (1934) | 1.22 in (1967) |
| August 27 | 100.9°F (1926) | 42.1°F (1896) | 1.48 in (1944) |
| August 28 | 100.0°F (1926) | 39.0°F (1935) | 3.07 in (1936) |
| August 29 | 98.1°F (1921) | 36.0°F (1911) | 1.26 in (1920) |
| August 30 | 98.1°F (1921) | 34.0°F (1931) | 1.33 in (1997) |
| August 31 | 96.1°F (2012) | 36.0°F (1928) | 1.86 in (1897) |