January weather in Iatan, MO
The average temperature in Iatan in January is 27.3°F (18.4°F–36.2°F). Average precipitation: 0.93 inches. Average snowfall is 5.0 inches.
January is a winter month in Iatan, and is cooler than the annual average of 54.2°F. Daily temperatures swing about 17.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 30m. For travel, January is cold.
Avg High
36.2°F
Avg Low
18.4°F
Precipitation
0.93 in
Snow
5.0 in
January records in Iatan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 64.0°F (1897) | -11.9°F (1974) | 1.61 in (1965) |
| January 2 | 72.0°F (1939) | -8.0°F (1979) | 2.16 in (1965) |
| January 3 | 62.1°F (1939) | -15.0°F (1919) | 0.72 in (1926) |
| January 4 | 64.0°F (1939) | -18.9°F (1947) | 1.00 in (1910) |
| January 5 | 69.1°F (1956) | -18.9°F (1924) | 1.29 in (1955) |
| January 6 | 64.9°F (1939) | -14.1°F (1912) | 0.76 in (2025) |
| January 7 | 66.9°F (1965) | -15.0°F (1912) | 0.85 in (1937) |
| January 8 | 66.9°F (1939) | -9.0°F (1979) | 0.70 in (1937) |
| January 9 | 70.0°F (2003) | -11.9°F (1962) | 1.07 in (1929) |
| January 10 | 68.0°F (1911) | -16.1°F (1982) | 0.90 in (1993) |
| January 11 | 64.0°F (1911) | -16.1°F (1918) | 0.79 in (2020) |
| January 12 | 63.0°F (1941) | -24.0°F (1912) | 0.90 in (1910) |
| January 13 | 64.0°F (1996) | -17.0°F (1916) | 1.40 in (1911) |
| January 14 | 66.9°F (1952) | -11.9°F (1912) | 0.33 in (1941) |
| January 15 | 63.0°F (1901) | -16.1°F (1927) | 0.88 in (1898) |
| January 16 | 69.1°F (1894) | -14.1°F (1977) | 0.74 in (1915) |
| January 17 | 63.0°F (1996) | -14.1°F (1930) | 0.70 in (1990) |
| January 18 | 69.1°F (1951) | -18.0°F (1930) | 0.70 in (1987) |
| January 19 | 66.0°F (1914) | -17.0°F (1943) | 1.50 in (1907) |
| January 20 | 70.0°F (1895) | -13.0°F (1985) | 0.78 in (1916) |
| January 21 | 69.1°F (1933) | -9.0°F (1930) | 0.81 in (1958) |
| January 22 | 66.9°F (1967) | -27.9°F (1930) | 0.90 in (1898) |
| January 23 | 70.0°F (1967) | -13.0°F (1963) | 0.95 in (1938) |
| January 24 | 70.0°F (1981) | -17.0°F (1894) | 0.80 in (1929) |
| January 25 | 62.1°F (1942) | -15.0°F (1940) | 0.70 in (1898) |
| January 26 | 68.0°F (1944) | -14.1°F (1936) | 0.72 in (1967) |
| January 27 | 68.0°F (1934) | -15.0°F (1936) | 0.60 in (1944) |
| January 28 | 64.9°F (2002) | -11.9°F (1915) | 0.80 in (1909) |
| January 29 | 64.9°F (1919) | -13.0°F (1966) | 0.83 in (1989) |
| January 30 | 64.9°F (1931) | -9.0°F (1949) | 0.95 in (1982) |
| January 31 | 72.0°F (1989) | -13.0°F (1936) | 1.62 in (2025) |