January weather in Swea City, IA
The average temperature in Swea City in January is 13.2°F (4.5°F–21.9°F). Average precipitation: 0.87 inches. Average snowfall is 10.9 inches.
January is a winter month in Swea City, and is cooler than the annual average of 43.8°F. Daily temperatures swing about 17.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 7m. For travel, January is cold.
Avg High
21.9°F
Avg Low
4.5°F
Precipitation
0.87 in
Snow
10.9 in
January records in Swea City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.9°F (1964) | -26.0°F (1974) | 0.81 in (2007) |
| January 2 | 52.0°F (1964) | -23.1°F (1974) | 0.40 in (1999) |
| January 3 | 42.1°F (1964) | -31.0°F (2010) | 0.50 in (1975) |
| January 4 | 48.9°F (1964) | -24.0°F (2010) | 0.50 in (1971) |
| January 5 | 48.9°F (2003) | -24.0°F (1979) | 0.30 in (1998) |
| January 6 | 45.0°F (2019) | -24.0°F (1988) | 0.50 in (1999) |
| January 7 | 51.1°F (1990) | -22.0°F (1986) | 0.29 in (2010) |
| January 8 | 57.9°F (2003) | -20.0°F (1970) | 0.20 in (1964) |
| January 9 | 57.9°F (2003) | -22.0°F (1999) | 0.29 in (2009) |
| January 10 | 55.9°F (2002) | -25.1°F (1982) | 0.26 in (2009) |
| January 11 | 55.9°F (2002) | -15.0°F (1974) | 0.75 in (1975) |
| January 12 | 46.9°F (2002) | -26.0°F (1974) | 0.50 in (1993) |
| January 13 | 53.1°F (1980) | -20.0°F (1974) | 0.70 in (1979) |
| January 14 | 46.9°F (2026) | -25.1°F (1979) | 0.23 in (1965) |
| January 15 | 55.0°F (1990) | -27.9°F (1972) | 0.81 in (2022) |
| January 16 | 46.9°F (2012) | -27.9°F (1972) | 0.90 in (1980) |
| January 17 | 48.9°F (1964) | -20.0°F (2016) | 0.77 in (2023) |
| January 18 | 48.9°F (1964) | -27.0°F (1970) | 0.76 in (1996) |
| January 19 | 48.9°F (1981) | -29.9°F (1970) | 1.00 in (2000) |
| January 20 | 48.0°F (1964) | -29.9°F (1970) | 0.15 in (1998) |
| January 21 | 51.1°F (2018) | -32.1°F (1970) | 1.25 in (1975) |
| January 22 | 50.0°F (1981) | -18.0°F (1963) | 0.80 in (1982) |
| January 23 | 55.0°F (1981) | -25.1°F (1963) | 0.62 in (2018) |
| January 24 | 39.9°F (1980) | -18.9°F (1961) | 0.48 in (2010) |
| January 25 | 52.0°F (1981) | -16.1°F (2008) | 0.46 in (2017) |
| January 26 | 53.1°F (2002) | -22.0°F (2022) | 0.50 in (2001) |
| January 27 | 52.0°F (2002) | -22.0°F (2022) | 0.50 in (1994) |
| January 28 | 51.1°F (2002) | -20.0°F (1972) | 0.20 in (1969) |
| January 29 | 52.0°F (2025) | -18.0°F (1965) | 0.25 in (1975) |
| January 30 | 50.0°F (2024) | -29.0°F (2019) | 0.66 in (2012) |
| January 31 | 57.9°F (2025) | -29.0°F (2019) | 0.23 in (2016) |