October weather in Keystone, IA
The average temperature in Keystone in October is 51.0°F (39.0°F–62.9°F). Average precipitation: 2.86 inches. Average snowfall is 0.4 inches.
October is a fall month in Keystone, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 23.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 50m. For travel, October is a comfortable month to visit.
Avg High
62.9°F
Avg Low
39.0°F
Precipitation
2.86 in
Snow
0.4 in
October records in Keystone
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (1976) | 26.1°F (1906) | 1.78 in (1911) |
| October 2 | 93.0°F (1953) | 21.0°F (2003) | 3.74 in (2019) |
| October 3 | 88.0°F (1922) | 21.0°F (2003) | 1.70 in (1907) |
| October 4 | 91.9°F (1938) | 21.0°F (1935) | 1.31 in (1991) |
| October 5 | 91.0°F (1922) | 26.1°F (1988) | 1.96 in (1998) |
| October 6 | 93.0°F (1963) | 19.0°F (1935) | 1.28 in (1893) |
| October 7 | 89.1°F (1916) | 23.0°F (1952) | 1.36 in (1948) |
| October 8 | 88.0°F (1928) | 21.0°F (1917) | 1.36 in (1970) |
| October 9 | 87.1°F (1938) | 21.9°F (1915) | 1.70 in (1970) |
| October 10 | 89.1°F (1928) | 21.9°F (2012) | 1.78 in (1954) |
| October 11 | 88.0°F (1920) | 18.0°F (1987) | 1.96 in (1983) |
| October 12 | 87.1°F (1956) | 24.1°F (1988) | 1.01 in (1914) |
| October 13 | 89.1°F (1975) | 14.0°F (1917) | 2.33 in (1997) |
| October 14 | 88.0°F (1947) | 18.0°F (1937) | 1.47 in (2007) |
| October 15 | 88.0°F (1953) | 18.0°F (1937) | 0.86 in (1957) |
| October 16 | 90.0°F (1910) | 21.9°F (2022) | 1.04 in (1913) |
| October 17 | 88.0°F (1950) | 21.9°F (1948) | 2.10 in (1905) |
| October 18 | 89.1°F (1950) | 17.1°F (1952) | 1.57 in (2007) |
| October 19 | 86.0°F (1953) | 16.0°F (1972) | 1.00 in (1969) |
| October 20 | 87.1°F (1947) | 17.1°F (1930) | 1.40 in (1912) |
| October 21 | 87.1°F (1947) | 12.9°F (1930) | 1.25 in (1965) |
| October 22 | 84.9°F (1899) | 15.1°F (1976) | 2.42 in (1979) |
| October 23 | 84.0°F (1899) | 17.1°F (1896) | 1.95 in (2009) |
| October 24 | 81.0°F (1899) | 15.1°F (1896) | 1.69 in (1946) |
| October 25 | 88.0°F (1927) | 19.0°F (2006) | 2.58 in (2021) |
| October 26 | 87.1°F (1927) | 16.0°F (1942) | 1.42 in (2016) |
| October 27 | 88.0°F (1927) | 10.9°F (1997) | 1.33 in (1918) |
| October 28 | 84.0°F (1922) | 1.0°F (1925) | 1.20 in (2015) |
| October 29 | 88.0°F (1937) | 0.0°F (1925) | 2.18 in (1896) |
| October 30 | 84.9°F (1950) | -2.0°F (1925) | 1.97 in (2009) |
| October 31 | 87.1°F (1950) | 15.1°F (1913) | 2.42 in (2024) |