January weather in Port Washington, WI
The average temperature in Port Washington in January is 22.7°F (14.6°F–30.8°F). Average precipitation: 1.76 inches. Average snowfall is 13.2 inches.
January is a winter month in Port Washington, and is cooler than the annual average of 46.7°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 7m. For travel, January is cold.
Avg High
30.8°F
Avg Low
14.6°F
Precipitation
1.76 in
Snow
13.2 in
January records in Port Washington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 53.1°F (2005) | -11.9°F (1924) | 0.75 in (1941) |
| January 2 | 55.9°F (2000) | -15.0°F (1979) | 0.98 in (2005) |
| January 3 | 55.0°F (1998) | -14.1°F (1896) | 0.91 in (1971) |
| January 4 | 52.0°F (2007) | -16.1°F (1919) | 1.00 in (1910) |
| January 5 | 52.0°F (2007) | -18.0°F (1912) | 0.79 in (1946) |
| January 6 | 54.0°F (2007) | -20.0°F (1912) | 0.57 in (1962) |
| January 7 | 48.9°F (1900) | -20.9°F (1912) | 1.00 in (1918) |
| January 8 | 50.0°F (2008) | -11.9°F (1912) | 0.96 in (1937) |
| January 9 | 55.9°F (2003) | -18.0°F (1982) | 0.80 in (1901) |
| January 10 | 55.9°F (2002) | -25.1°F (1982) | 1.15 in (1975) |
| January 11 | 51.1°F (1980) | -17.0°F (1912) | 0.60 in (1905) |
| January 12 | 50.0°F (1928) | -20.0°F (1912) | 0.95 in (1960) |
| January 13 | 55.0°F (1961) | -18.0°F (1893) | 1.20 in (1910) |
| January 14 | 48.0°F (1901) | -18.9°F (1963) | 0.78 in (1952) |
| January 15 | 51.1°F (1928) | -26.0°F (1963) | 1.40 in (1906) |
| January 16 | 50.0°F (1973) | -20.9°F (1982) | 1.10 in (1897) |
| January 17 | 50.0°F (1894) | -25.1°F (1982) | 1.40 in (1900) |
| January 18 | 51.1°F (1973) | -25.1°F (1994) | 0.90 in (1907) |
| January 19 | 59.0°F (1901) | -24.0°F (1994) | 1.34 in (1988) |
| January 20 | 57.9°F (1906) | -20.9°F (1985) | 0.68 in (1974) |
| January 21 | 51.1°F (1921) | -22.0°F (1924) | 0.70 in (1909) |
| January 22 | 48.0°F (1900) | -15.0°F (1963) | 1.40 in (1898) |
| January 23 | 51.1°F (2002) | -26.0°F (1897) | 1.08 in (1999) |
| January 24 | 53.1°F (1900) | -15.0°F (1894) | 2.40 in (1938) |
| January 25 | 57.0°F (1973) | -13.0°F (1963) | 0.80 in (1898) |
| January 26 | 52.0°F (2002) | -13.0°F (1917) | 0.92 in (1974) |
| January 27 | 55.0°F (1916) | -14.1°F (1904) | 1.31 in (1916) |
| January 28 | 55.9°F (2002) | -18.0°F (1966) | 0.80 in (1909) |
| January 29 | 53.1°F (1914) | -20.9°F (1966) | 2.10 in (2001) |
| January 30 | 52.0°F (1988) | -22.0°F (1899) | 0.60 in (1947) |
| January 31 | 55.0°F (1989) | -29.9°F (1898) | 0.80 in (1908) |