July weather in Eureka, SD
The average temperature in Eureka in July is 70.0°F (57.8°F–82.1°F). Average precipitation: 3.10 inches.
July is a summer month in Eureka, and is warmer than the annual average of 41.8°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 15h 11m. For travel, July is a comfortable month to visit.
Avg High
82.1°F
Avg Low
57.8°F
Precipitation
3.10 in
Daylight
15h 11m
July records in Eureka
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 100.0°F (1921) | 39.0°F (1959) | 1.90 in (1973) |
| July 2 | 102.0°F (1936) | 34.0°F (1917) | 1.45 in (1928) |
| July 3 | 107.1°F (1949) | 32.0°F (1917) | 2.60 in (1962) |
| July 4 | 106.0°F (1949) | 37.0°F (1915) | 1.52 in (2019) |
| July 5 | 108.0°F (1989) | 34.0°F (1915) | 1.65 in (1946) |
| July 6 | 114.1°F (1936) | 39.9°F (1934) | 1.54 in (1998) |
| July 7 | 108.0°F (1936) | 35.1°F (1922) | 3.05 in (1994) |
| July 8 | 108.0°F (1936) | 45.0°F (1919) | 2.24 in (1999) |
| July 9 | 113.0°F (1936) | 41.0°F (1981) | 1.44 in (1967) |
| July 10 | 111.9°F (1936) | 39.9°F (1922) | 1.20 in (1971) |
| July 11 | 108.0°F (1936) | 39.0°F (1922) | 1.13 in (2016) |
| July 12 | 106.0°F (1973) | 41.0°F (1975) | 1.31 in (1981) |
| July 13 | 100.9°F (1936) | 39.0°F (1967) | 1.87 in (1937) |
| July 14 | 104.0°F (1988) | 39.9°F (1930) | 2.57 in (1981) |
| July 15 | 109.0°F (2006) | 35.1°F (1912) | 0.91 in (1992) |
| July 16 | 111.0°F (1936) | 42.1°F (1976) | 3.47 in (1927) |
| July 17 | 109.0°F (1936) | 43.0°F (2025) | 1.14 in (1927) |
| July 18 | 107.1°F (1934) | 43.0°F (1922) | 1.64 in (1983) |
| July 19 | 105.1°F (1977) | 43.0°F (1914) | 1.20 in (1957) |
| July 20 | 114.1°F (1934) | 42.1°F (1915) | 0.86 in (1929) |
| July 21 | 104.0°F (1960) | 39.9°F (1947) | 0.87 in (1937) |
| July 22 | 109.9°F (1934) | 42.1°F (1925) | 1.06 in (1933) |
| July 23 | 104.0°F (1941) | 43.0°F (1914) | 1.25 in (1935) |
| July 24 | 108.0°F (1952) | 43.0°F (1975) | 0.91 in (1949) |
| July 25 | 108.0°F (1931) | 41.0°F (1911) | 2.16 in (1993) |
| July 26 | 105.1°F (1914) | 36.0°F (1918) | 1.25 in (1966) |
| July 27 | 106.0°F (1931) | 39.0°F (1918) | 1.51 in (1956) |
| July 28 | 111.0°F (1917) | 41.0°F (2013) | 1.82 in (2002) |
| July 29 | 105.1°F (1975) | 37.9°F (1918) | 1.02 in (1970) |
| July 30 | 106.0°F (2006) | 37.9°F (1971) | 1.15 in (1969) |
| July 31 | 105.1°F (2006) | 44.1°F (1971) | 0.75 in (2023) |