July weather in Spearfish, SD
The average temperature in Spearfish in July is 70.6°F (57.6°F–83.6°F). Average precipitation: 2.35 inches.
July is a summer month in Spearfish, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 15h 2m. For travel, July is a comfortable month to visit.
Avg High
83.6°F
Avg Low
57.6°F
Precipitation
2.35 in
Daylight
15h 2m
July records in Spearfish
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 104.0°F (1990) | 39.9°F (1906) | 1.10 in (2004) |
| July 2 | 102.9°F (1990) | 37.0°F (1905) | 0.99 in (1941) |
| July 3 | 108.0°F (1936) | 42.1°F (1906) | 2.00 in (2011) |
| July 4 | 102.9°F (1936) | 39.9°F (1915) | 1.66 in (1958) |
| July 5 | 108.0°F (1936) | 37.9°F (1915) | 1.23 in (1996) |
| July 6 | 109.9°F (1936) | 42.1°F (1919) | 1.18 in (1922) |
| July 7 | 105.1°F (1973) | 36.0°F (1920) | 0.96 in (1956) |
| July 8 | 100.9°F (1981) | 35.1°F (1920) | 2.62 in (1926) |
| July 9 | 106.0°F (1954) | 37.0°F (1920) | 0.62 in (1918) |
| July 10 | 107.1°F (1933) | 42.1°F (1920) | 0.73 in (2018) |
| July 11 | 105.1°F (1939) | 44.1°F (1898) | 1.38 in (2023) |
| July 12 | 102.9°F (1973) | 42.1°F (1906) | 1.50 in (1952) |
| July 13 | 100.9°F (2003) | 35.1°F (1950) | 2.59 in (1937) |
| July 14 | 102.9°F (1988) | 39.9°F (1906) | 2.25 in (1957) |
| July 15 | 109.0°F (2006) | 33.1°F (1906) | 1.15 in (1933) |
| July 16 | 105.1°F (2005) | 35.1°F (1906) | 1.55 in (1989) |
| July 17 | 102.0°F (1977) | 37.0°F (1906) | 1.08 in (1928) |
| July 18 | 102.9°F (1931) | 45.0°F (2014) | 1.95 in (1986) |
| July 19 | 102.9°F (2004) | 43.0°F (1915) | 2.10 in (1990) |
| July 20 | 104.0°F (1939) | 46.9°F (1902) | 1.60 in (1905) |
| July 21 | 102.9°F (2016) | 41.0°F (1942) | 1.10 in (1995) |
| July 22 | 100.9°F (1893) | 44.1°F (1906) | 1.20 in (1978) |
| July 23 | 106.0°F (1936) | 42.1°F (1952) | 2.41 in (1923) |
| July 24 | 104.0°F (1931) | 45.0°F (1906) | 1.73 in (1923) |
| July 25 | 109.0°F (1936) | 39.9°F (1899) | 1.00 in (1948) |
| July 26 | 105.1°F (1987) | 37.9°F (1920) | 0.94 in (1968) |
| July 27 | 105.1°F (1931) | 46.0°F (1915) | 1.80 in (1901) |
| July 28 | 109.0°F (2006) | 44.1°F (1971) | 1.11 in (1916) |
| July 29 | 105.1°F (1933) | 45.0°F (1899) | 3.45 in (1932) |
| July 30 | 104.0°F (2006) | 43.0°F (1920) | 1.60 in (1919) |
| July 31 | 102.0°F (1900) | 45.0°F (1915) | 0.77 in (2020) |