January weather in Potosi, MO
The average temperature in Potosi in January is 30.5°F (21.4°F–39.6°F). Average precipitation: 2.84 inches. Average snowfall is 3.6 inches.
January is a winter month in Potosi, and is cooler than the annual average of 54.8°F. Daily temperatures swing about 18.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 39m. For travel, January is cold.
Avg High
39.6°F
Avg Low
21.4°F
Precipitation
2.84 in
Snow
3.6 in
January records in Potosi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 68.0°F (2005) | -11.0°F (2001) | 1.68 in (1948) |
| January 2 | 68.0°F (2004) | -11.0°F (2001) | 0.95 in (2022) |
| January 3 | 72.0°F (2004) | -7.1°F (2018) | 3.30 in (1999) |
| January 4 | 66.9°F (2023) | -0.9°F (1896) | 0.96 in (1950) |
| January 5 | 69.1°F (1997) | -2.9°F (1999) | 1.53 in (2005) |
| January 6 | 64.9°F (2012) | -7.1°F (2014) | 0.95 in (2005) |
| January 7 | 68.0°F (2008) | -9.9°F (2014) | 0.30 in (1998) |
| January 8 | 70.0°F (2003) | -4.0°F (1994) | 0.30 in (2018) |
| January 9 | 72.0°F (1902) | -2.0°F (2010) | 0.68 in (2024) |
| January 10 | 59.0°F (2009) | -2.0°F (2010) | 1.32 in (2020) |
| January 11 | 64.9°F (2017) | -4.0°F (1997) | 2.15 in (2020) |
| January 12 | 66.9°F (2023) | -8.0°F (1895) | 0.89 in (2015) |
| January 13 | 64.9°F (2005) | -4.0°F (1997) | 1.89 in (2005) |
| January 14 | 62.1°F (1901) | -11.9°F (2024) | 0.98 in (2017) |
| January 15 | 72.0°F (1901) | -11.0°F (2024) | 0.87 in (2007) |
| January 16 | 62.1°F (1894) | -9.0°F (2024) | 0.40 in (2022) |
| January 17 | 66.9°F (1894) | -8.0°F (2024) | 1.10 in (1994) |
| January 18 | 63.0°F (1895) | -6.0°F (1994) | 1.64 in (2020) |
| January 19 | 62.1°F (1989) | -6.0°F (1994) | 1.25 in (2023) |
| January 20 | 63.0°F (2006) | -18.0°F (1985) | 1.60 in (1988) |
| January 21 | 73.9°F (1986) | -7.1°F (2025) | 0.63 in (2007) |
| January 22 | 68.0°F (2017) | -6.0°F (2022) | 0.89 in (2018) |
| January 23 | 73.0°F (2002) | -9.0°F (2003) | 1.00 in (1999) |
| January 24 | 66.0°F (1900) | -13.0°F (1894) | 0.82 in (2024) |
| January 25 | 66.9°F (1981) | -15.0°F (1894) | 1.20 in (1989) |
| January 26 | 66.9°F (1981) | -7.1°F (1897) | 1.45 in (2012) |
| January 27 | 64.0°F (2002) | -5.1°F (1897) | 1.30 in (1997) |
| January 28 | 72.0°F (2002) | -11.9°F (1897) | 0.90 in (1997) |
| January 29 | 70.0°F (2002) | -9.9°F (1899) | 0.66 in (2006) |
| January 30 | 70.0°F (2008) | -5.1°F (1897) | 2.59 in (2013) |
| January 31 | 73.0°F (1989) | -11.0°F (1899) | 1.20 in (1999) |