July weather in Vermillion, SD
The average temperature in Vermillion in July is 74.4°F (63.2°F–85.5°F). Average precipitation: 3.61 inches.
July is a summer month in Vermillion, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 51m. For travel, July is a comfortable month to visit.
Avg High
85.5°F
Avg Low
63.2°F
Precipitation
3.61 in
Daylight
14h 51m
July records in Vermillion
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.9°F (1925) | 42.1°F (1995) | 3.64 in (1952) |
| July 2 | 99.0°F (1936) | 41.0°F (1968) | 1.59 in (1902) |
| July 3 | 108.0°F (1990) | 42.1°F (1968) | 2.10 in (1964) |
| July 4 | 109.0°F (1936) | 39.9°F (1967) | 1.84 in (1909) |
| July 5 | 108.0°F (1936) | 37.0°F (1972) | 1.84 in (2023) |
| July 6 | 106.0°F (1936) | 46.9°F (1960) | 1.25 in (2015) |
| July 7 | 105.1°F (1980) | 46.0°F (1908) | 1.60 in (1938) |
| July 8 | 106.0°F (1930) | 48.9°F (2023) | 2.34 in (2025) |
| July 9 | 106.0°F (1930) | 46.9°F (1905) | 2.11 in (2009) |
| July 10 | 107.1°F (1930) | 46.0°F (1996) | 2.65 in (1955) |
| July 11 | 109.0°F (1939) | 48.0°F (1959) | 1.92 in (1944) |
| July 12 | 106.0°F (1995) | 46.0°F (1907) | 2.16 in (2023) |
| July 13 | 106.0°F (1932) | 43.0°F (1926) | 2.29 in (2018) |
| July 14 | 106.0°F (1980) | 42.1°F (1967) | 1.48 in (1910) |
| July 15 | 104.0°F (1901) | 46.0°F (1912) | 2.30 in (1989) |
| July 16 | 107.1°F (1936) | 46.0°F (1912) | 0.91 in (2025) |
| July 17 | 114.1°F (1936) | 46.9°F (1907) | 4.45 in (1996) |
| July 18 | 107.1°F (1936) | 46.9°F (1972) | 3.35 in (1965) |
| July 19 | 107.1°F (1974) | 48.9°F (1911) | 1.98 in (1950) |
| July 20 | 107.1°F (1934) | 43.0°F (1970) | 1.50 in (1972) |
| July 21 | 107.1°F (1934) | 46.0°F (2000) | 2.75 in (1928) |
| July 22 | 108.0°F (1901) | 48.0°F (1925) | 3.60 in (2010) |
| July 23 | 107.1°F (1936) | 46.0°F (1904) | 1.41 in (1935) |
| July 24 | 108.0°F (1940) | 48.9°F (1911) | 2.60 in (1987) |
| July 25 | 107.1°F (1901) | 39.9°F (1902) | 1.38 in (1948) |
| July 26 | 106.0°F (1930) | 41.0°F (1962) | 3.37 in (1908) |
| July 27 | 111.0°F (1930) | 46.0°F (1907) | 1.61 in (1958) |
| July 28 | 102.9°F (1932) | 44.1°F (2013) | 1.00 in (1922) |
| July 29 | 108.0°F (1947) | 48.0°F (2014) | 3.00 in (2010) |
| July 30 | 105.1°F (1947) | 46.9°F (1974) | 2.65 in (1979) |
| July 31 | 104.0°F (1931) | 46.9°F (1960) | 1.18 in (2025) |