October weather in Watertown, SD
The average temperature in Watertown in October is 45.7°F (35.2°F–56.2°F). Average precipitation: 1.95 inches. Average snowfall is 1.4 inches.
October is a fall month in Watertown, and is warmer than the annual average of 43°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 42m. For travel, October is cool.
Avg High
56.2°F
Avg Low
35.2°F
Precipitation
1.95 in
Snow
1.4 in
October records in Watertown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.0°F (1951) | 19.9°F (2003) | 1.47 in (2009) |
| October 2 | 89.1°F (1997) | 18.0°F (1974) | 0.60 in (1950) |
| October 3 | 90.0°F (1938) | 19.9°F (1989) | 1.70 in (1990) |
| October 4 | 90.0°F (1922) | 16.0°F (1935) | 1.28 in (1946) |
| October 5 | 90.0°F (1947) | 18.0°F (1935) | 1.13 in (1946) |
| October 6 | 89.1°F (1993) | 19.9°F (1935) | 1.25 in (1911) |
| October 7 | 86.0°F (2003) | 15.1°F (1952) | 1.58 in (1977) |
| October 8 | 84.0°F (2010) | 12.9°F (1917) | 0.73 in (1909) |
| October 9 | 86.0°F (1980) | 16.0°F (1897) | 2.23 in (2021) |
| October 10 | 86.0°F (1910) | 14.0°F (1935) | 1.10 in (1961) |
| October 11 | 88.0°F (1934) | 19.0°F (2009) | 0.65 in (2003) |
| October 12 | 84.0°F (1934) | 12.0°F (1917) | 1.81 in (1943) |
| October 13 | 84.9°F (1958) | 12.9°F (1907) | 1.60 in (1911) |
| October 14 | 89.1°F (1933) | 10.0°F (1937) | 2.58 in (2013) |
| October 15 | 88.0°F (1958) | 19.0°F (1992) | 2.20 in (1899) |
| October 16 | 88.0°F (1910) | 19.0°F (1976) | 3.72 in (1971) |
| October 17 | 84.9°F (1910) | 13.1°F (2022) | 1.19 in (1968) |
| October 18 | 80.1°F (1936) | 10.2°F (2022) | 1.05 in (1910) |
| October 19 | 84.9°F (2003) | 12.9°F (1972) | 0.79 in (1984) |
| October 20 | 84.0°F (1947) | 12.9°F (1916) | 2.50 in (1906) |
| October 21 | 82.9°F (1927) | 7.0°F (1930) | 0.69 in (2019) |
| October 22 | 77.0°F (1989) | 12.9°F (1913) | 1.15 in (2004) |
| October 23 | 79.0°F (1927) | 6.1°F (1917) | 1.26 in (2015) |
| October 24 | 80.1°F (1989) | 9.0°F (1917) | 0.54 in (1975) |
| October 25 | 84.0°F (1927) | 10.9°F (1942) | 0.74 in (1902) |
| October 26 | 84.9°F (1927) | 5.0°F (1936) | 0.97 in (1897) |
| October 27 | 78.1°F (1966) | 9.1°F (2020) | 1.41 in (2021) |
| October 28 | 79.0°F (1937) | 1.0°F (1919) | 2.08 in (2004) |
| October 29 | 78.1°F (1937) | -2.0°F (1925) | 2.05 in (1956) |
| October 30 | 84.9°F (1950) | 3.0°F (1913) | 1.91 in (1977) |
| October 31 | 78.1°F (1933) | 10.0°F (1930) | 1.06 in (1940) |