October weather in Williamson, IA
The average temperature in Williamson in October is 50.8°F (37.8°F–63.8°F). Average precipitation: 2.98 inches. Average snowfall is 0.3 inches.
October is a fall month in Williamson, and is warmer than the annual average of 48.3°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 52m. For travel, October is cool.
Avg High
63.8°F
Avg Low
37.8°F
Precipitation
2.98 in
Snow
0.3 in
October records in Williamson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.0°F (1956) | 24.1°F (1974) | 1.72 in (1927) |
| October 2 | 93.9°F (1953) | 18.0°F (1974) | 1.21 in (1962) |
| October 3 | 91.0°F (1909) | 23.0°F (2003) | 2.15 in (1925) |
| October 4 | 91.9°F (1938) | 23.0°F (1935) | 1.38 in (1902) |
| October 5 | 95.0°F (1963) | 26.1°F (1979) | 2.30 in (1954) |
| October 6 | 93.0°F (1963) | 19.9°F (1935) | 1.70 in (2018) |
| October 7 | 93.9°F (1939) | 21.9°F (1974) | 1.13 in (2008) |
| October 8 | 89.1°F (1916) | 23.0°F (1976) | 2.35 in (1941) |
| October 9 | 87.1°F (1938) | 21.0°F (2000) | 4.00 in (1982) |
| October 10 | 90.0°F (1963) | 21.0°F (2000) | 1.67 in (1954) |
| October 11 | 88.0°F (1963) | 19.0°F (1987) | 2.05 in (1912) |
| October 12 | 89.1°F (1899) | 21.0°F (1917) | 1.90 in (1986) |
| October 13 | 87.1°F (1899) | 17.1°F (1917) | 2.71 in (1997) |
| October 14 | 89.1°F (1938) | 19.0°F (1937) | 2.57 in (2014) |
| October 15 | 89.1°F (1938) | 23.0°F (1974) | 1.74 in (1967) |
| October 16 | 88.0°F (1910) | 21.9°F (2024) | 1.10 in (1913) |
| October 17 | 86.0°F (1950) | 16.0°F (1976) | 2.22 in (1898) |
| October 18 | 87.1°F (1950) | 19.9°F (1948) | 3.00 in (1998) |
| October 19 | 84.9°F (1953) | 14.0°F (1972) | 2.00 in (1962) |
| October 20 | 88.0°F (1936) | 16.0°F (2022) | 1.24 in (1949) |
| October 21 | 86.0°F (1947) | 16.0°F (1930) | 1.00 in (1936) |
| October 22 | 86.0°F (1899) | 15.1°F (1976) | 2.04 in (1979) |
| October 23 | 84.0°F (1899) | 15.1°F (1937) | 1.68 in (2001) |
| October 24 | 84.0°F (2022) | 19.0°F (1981) | 1.71 in (1977) |
| October 25 | 87.1°F (1940) | 19.0°F (1968) | 1.69 in (2021) |
| October 26 | 84.9°F (1927) | 15.1°F (1942) | 1.10 in (1997) |
| October 27 | 86.0°F (1927) | 10.9°F (1997) | 2.90 in (1918) |
| October 28 | 82.0°F (1999) | 7.0°F (1925) | 1.34 in (2015) |
| October 29 | 91.0°F (1937) | 10.9°F (1980) | 2.03 in (1896) |
| October 30 | 86.0°F (1950) | 0.0°F (1925) | 2.10 in (1942) |
| October 31 | 87.1°F (1950) | 14.0°F (1913) | 2.85 in (1974) |