October weather in Eureka, SD
The average temperature in Eureka in October is 43.7°F (31.9°F–55.5°F). Average precipitation: 1.74 inches. Average snowfall is 2.0 inches.
October is a fall month in Eureka, and is warmer than the annual average of 41.8°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 40m. For travel, October is cool.
Avg High
55.5°F
Avg Low
31.9°F
Precipitation
1.74 in
Snow
2.0 in
October records in Eureka
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.9°F (1897) | 15.1°F (1936) | 1.47 in (1983) |
| October 2 | 91.0°F (1914) | 21.0°F (1974) | 1.49 in (1971) |
| October 3 | 93.9°F (1922) | 18.0°F (1989) | 2.15 in (1915) |
| October 4 | 93.0°F (1963) | 15.1°F (1935) | 1.37 in (1951) |
| October 5 | 91.9°F (1970) | 16.0°F (1935) | 1.51 in (1995) |
| October 6 | 90.0°F (1993) | 16.0°F (1991) | 0.91 in (1982) |
| October 7 | 90.0°F (1934) | 12.9°F (1976) | 1.35 in (2007) |
| October 8 | 86.0°F (1936) | 12.9°F (1917) | 0.99 in (1982) |
| October 9 | 86.0°F (1955) | 10.9°F (1925) | 2.92 in (1982) |
| October 10 | 91.9°F (1910) | 10.0°F (1919) | 2.45 in (1949) |
| October 11 | 89.1°F (1934) | 10.0°F (1935) | 1.46 in (1929) |
| October 12 | 90.0°F (2015) | 1.9°F (1917) | 1.36 in (1997) |
| October 13 | 89.1°F (1958) | 5.0°F (1917) | 0.55 in (1947) |
| October 14 | 87.1°F (1933) | 9.0°F (1937) | 1.53 in (2013) |
| October 15 | 88.0°F (1964) | 15.1°F (2018) | 0.90 in (2013) |
| October 16 | 89.1°F (1910) | 7.0°F (1976) | 2.25 in (1980) |
| October 17 | 86.0°F (1914) | 6.1°F (1930) | 2.24 in (1998) |
| October 18 | 84.9°F (1914) | 8.1°F (2022) | 0.67 in (1994) |
| October 19 | 87.1°F (1958) | 1.9°F (1917) | 0.96 in (1908) |
| October 20 | 84.0°F (1947) | 7.0°F (1916) | 0.44 in (1951) |
| October 21 | 88.0°F (1947) | 9.0°F (1930) | 0.59 in (2019) |
| October 22 | 81.0°F (1915) | 8.1°F (1936) | 0.50 in (1931) |
| October 23 | 78.1°F (1963) | 1.0°F (1917) | 0.66 in (1947) |
| October 24 | 82.0°F (1989) | 7.0°F (2020) | 0.67 in (1923) |
| October 25 | 82.0°F (1989) | 1.9°F (1942) | 0.85 in (1956) |
| October 26 | 78.1°F (1955) | -2.9°F (1936) | 1.14 in (1921) |
| October 27 | 78.1°F (1944) | -0.9°F (2020) | 0.39 in (1995) |
| October 28 | 80.1°F (1937) | 1.9°F (1925) | 1.09 in (1991) |
| October 29 | 78.1°F (1933) | -6.0°F (1925) | 1.17 in (2009) |
| October 30 | 86.0°F (1950) | 0.0°F (1991) | 1.12 in (1927) |
| October 31 | 77.0°F (1933) | 1.0°F (1991) | 1.00 in (1943) |