October weather in Sun Prairie, WI
The average temperature in Sun Prairie in October is 49.7°F (39.8°F–59.6°F). Average precipitation: 2.77 inches. Average snowfall is 0.6 inches.
October is a fall month in Sun Prairie, and is warmer than the annual average of 47°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 47m. For travel, October is a comfortable month to visit.
Avg High
59.6°F
Avg Low
39.8°F
Precipitation
2.77 in
Snow
0.6 in
October records in Sun Prairie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (1976) | 27.0°F (1974) | 2.40 in (2019) |
| October 2 | 87.1°F (1953) | 21.9°F (1974) | 0.95 in (2019) |
| October 3 | 87.1°F (2025) | 25.0°F (1974) | 0.64 in (2014) |
| October 4 | 87.1°F (2005) | 25.0°F (1989) | 0.97 in (1986) |
| October 5 | 84.9°F (2005) | 23.0°F (1980) | 1.41 in (1995) |
| October 6 | 90.0°F (1963) | 21.9°F (1952) | 1.19 in (1949) |
| October 7 | 84.9°F (1939) | 23.0°F (2001) | 1.20 in (1958) |
| October 8 | 82.9°F (1949) | 21.9°F (1987) | 0.93 in (1958) |
| October 9 | 84.9°F (2010) | 19.9°F (1964) | 0.61 in (1985) |
| October 10 | 82.0°F (1962) | 17.1°F (1964) | 1.75 in (1954) |
| October 11 | 82.0°F (1943) | 23.0°F (1967) | 0.96 in (1983) |
| October 12 | 82.9°F (1995) | 21.0°F (1988) | 0.82 in (1985) |
| October 13 | 90.0°F (1975) | 19.9°F (1988) | 1.40 in (2014) |
| October 14 | 82.0°F (1947) | 21.9°F (1979) | 1.74 in (2012) |
| October 15 | 86.0°F (1947) | 25.0°F (2006) | 1.67 in (2016) |
| October 16 | 80.1°F (1953) | 25.0°F (1970) | 0.71 in (1984) |
| October 17 | 81.0°F (1953) | 19.0°F (1948) | 0.95 in (1981) |
| October 18 | 82.0°F (1950) | 18.0°F (1948) | 2.78 in (1984) |
| October 19 | 80.1°F (1953) | 15.1°F (1972) | 1.18 in (1953) |
| October 20 | 82.0°F (1953) | 19.9°F (1952) | 0.49 in (1951) |
| October 21 | 84.0°F (1947) | 19.9°F (1960) | 1.04 in (1951) |
| October 22 | 81.0°F (1947) | 17.1°F (1982) | 1.88 in (2020) |
| October 23 | 81.0°F (1963) | 15.1°F (1969) | 1.59 in (1959) |
| October 24 | 79.0°F (1963) | 18.0°F (1981) | 2.49 in (1991) |
| October 25 | 78.1°F (1989) | 19.0°F (1966) | 0.55 in (1960) |
| October 26 | 78.1°F (1963) | 16.0°F (1962) | 2.34 in (2016) |
| October 27 | 75.0°F (2014) | 15.1°F (1976) | 0.96 in (1995) |
| October 28 | 73.0°F (1945) | 16.0°F (1969) | 0.65 in (1970) |
| October 29 | 82.0°F (2024) | 14.0°F (1952) | 1.36 in (1996) |
| October 30 | 78.1°F (1971) | 12.9°F (1988) | 2.21 in (2024) |
| October 31 | 77.0°F (1950) | 20.1°F (2019) | 1.21 in (1960) |