April weather in Spearfish, SD
The average temperature in Spearfish in April is 43.5°F (32.0°F–54.9°F). Average precipitation: 2.23 inches. Average snowfall is 8.5 inches.
April is a spring month in Spearfish, and is cooler than the annual average of 46.5°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 15m. For travel, April is cool.
Avg High
54.9°F
Avg Low
32.0°F
Precipitation
2.23 in
Snow
8.5 in
April records in Spearfish
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 79.0°F (1908) | 1.0°F (1899) | 1.11 in (1958) |
| April 2 | 81.0°F (2012) | -2.0°F (1920) | 0.70 in (2010) |
| April 3 | 79.0°F (1943) | -4.0°F (2020) | 1.50 in (1986) |
| April 4 | 90.0°F (1921) | -8.0°F (1920) | 1.04 in (1997) |
| April 5 | 77.0°F (1991) | 5.0°F (1920) | 1.12 in (1895) |
| April 6 | 80.1°F (1969) | 6.1°F (1920) | 1.43 in (1922) |
| April 7 | 78.1°F (1952) | 3.9°F (1997) | 2.01 in (2024) |
| April 8 | 82.0°F (2005) | 6.1°F (1997) | 1.25 in (1969) |
| April 9 | 84.0°F (1977) | 10.0°F (1928) | 0.62 in (1900) |
| April 10 | 80.1°F (1960) | 9.0°F (1997) | 1.50 in (2017) |
| April 11 | 80.1°F (1931) | 3.9°F (1940) | 1.08 in (1970) |
| April 12 | 84.0°F (2016) | 8.1°F (1940) | 1.50 in (1894) |
| April 13 | 86.0°F (1936) | 8.1°F (2022) | 1.78 in (1941) |
| April 14 | 82.9°F (1895) | 6.1°F (1928) | 2.31 in (1941) |
| April 15 | 82.0°F (2015) | 6.1°F (1961) | 1.23 in (2012) |
| April 16 | 84.9°F (1979) | 10.9°F (1907) | 1.30 in (1989) |
| April 17 | 82.9°F (1979) | 17.1°F (1961) | 2.14 in (1976) |
| April 18 | 82.9°F (2005) | 14.0°F (1953) | 1.98 in (1986) |
| April 19 | 84.9°F (1936) | 12.0°F (1920) | 3.55 in (1903) |
| April 20 | 88.0°F (1910) | 10.0°F (1966) | 1.71 in (1973) |
| April 21 | 87.1°F (1980) | 12.9°F (1927) | 2.36 in (1933) |
| April 22 | 91.0°F (1980) | 17.1°F (1967) | 1.15 in (1968) |
| April 23 | 84.9°F (1906) | 17.1°F (1931) | 3.19 in (1908) |
| April 24 | 86.0°F (1962) | 10.9°F (1920) | 1.76 in (1932) |
| April 25 | 84.9°F (2012) | 10.9°F (1920) | 2.04 in (1929) |
| April 26 | 84.9°F (1898) | 12.0°F (1920) | 1.97 in (1984) |
| April 27 | 86.0°F (1910) | 9.0°F (1920) | 1.22 in (1990) |
| April 28 | 84.9°F (2001) | 12.9°F (1969) | 1.54 in (1940) |
| April 29 | 84.0°F (1987) | 12.9°F (1907) | 1.31 in (2025) |
| April 30 | 89.1°F (1992) | 12.0°F (1950) | 2.15 in (1967) |