January weather in Charter Oak, IA
The average temperature in Charter Oak in January is 18.3°F (8.9°F–27.7°F). Average precipitation: 0.76 inches. Average snowfall is 6.7 inches.
January is a winter month in Charter Oak, and is cooler than the annual average of 47.2°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 15m. For travel, January is cold.
Avg High
27.7°F
Avg Low
8.9°F
Precipitation
0.76 in
Snow
6.7 in
January records in Charter Oak
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1939) | -23.1°F (2018) | 0.50 in (1942) |
| January 2 | 60.1°F (1964) | -25.1°F (2010) | 0.36 in (1975) |
| January 3 | 54.0°F (2004) | -15.0°F (1968) | 1.18 in (1949) |
| January 4 | 50.0°F (1964) | -27.0°F (2010) | 0.47 in (1998) |
| January 5 | 60.1°F (1956) | -26.0°F (2010) | 0.61 in (1989) |
| January 6 | 63.0°F (2012) | -25.1°F (2010) | 0.20 in (2005) |
| January 7 | 51.1°F (1990) | -25.1°F (1942) | 0.24 in (2010) |
| January 8 | 62.1°F (2003) | -16.1°F (1967) | 0.31 in (2016) |
| January 9 | 60.1°F (2003) | -22.0°F (1974) | 0.58 in (2026) |
| January 10 | 55.9°F (1990) | -24.0°F (1982) | 0.74 in (1975) |
| January 11 | 57.0°F (2012) | -16.1°F (1974) | 0.30 in (1963) |
| January 12 | 55.9°F (1987) | -29.0°F (1974) | 0.46 in (1993) |
| January 13 | 59.0°F (1980) | -22.0°F (1982) | 0.39 in (1940) |
| January 14 | 53.1°F (2026) | -26.0°F (1957) | 0.40 in (1960) |
| January 15 | 53.1°F (1990) | -22.0°F (2024) | 0.71 in (1960) |
| January 16 | 60.1°F (2006) | -23.1°F (1965) | 0.63 in (1980) |
| January 17 | 54.0°F (1989) | -23.1°F (2007) | 0.53 in (1996) |
| January 18 | 57.9°F (1951) | -25.1°F (1967) | 0.56 in (2020) |
| January 19 | 52.0°F (2006) | -29.9°F (1970) | 0.92 in (1952) |
| January 20 | 61.0°F (1944) | -25.1°F (1962) | 0.63 in (2010) |
| January 21 | 57.0°F (1992) | -32.1°F (1970) | 0.40 in (1973) |
| January 22 | 57.9°F (1989) | -17.0°F (2025) | 0.70 in (2018) |
| January 23 | 60.1°F (1981) | -20.0°F (1963) | 0.43 in (1949) |
| January 24 | 66.9°F (1981) | -25.1°F (2008) | 0.25 in (1967) |
| January 25 | 66.9°F (1944) | -24.0°F (2008) | 0.35 in (1941) |
| January 26 | 60.1°F (1944) | -20.9°F (1950) | 0.57 in (2004) |
| January 27 | 68.0°F (2002) | -20.9°F (1950) | 0.95 in (1944) |
| January 28 | 60.1°F (2006) | -18.0°F (1972) | 0.25 in (1995) |
| January 29 | 57.9°F (2025) | -24.0°F (1966) | 0.48 in (1983) |
| January 30 | 57.9°F (2025) | -20.9°F (2019) | 1.63 in (1947) |
| January 31 | 63.0°F (2012) | -20.9°F (2019) | 0.41 in (1958) |