January weather in Unalaska, AK
The average temperature in Unalaska in January is 33.0°F (28.7°F–37.3°F). Average precipitation: 6.79 inches. Average snowfall is 22.0 inches.
January is a winter month in Unalaska, and is cooler than the annual average of 41.6°F. Daily temperatures swing about 8.6°F between overnight low and afternoon high. Expect about 22 days with precipitation. Daylight averages about 7h 42m. For travel, January is a wet month.
Avg High
37.3°F
Avg Low
28.7°F
Precipitation
6.79 in
Snow
22.0 in
January records in Unalaska
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.0°F (1916) | 5.0°F (1986) | 1.33 in (1996) |
| January 2 | 48.9°F (1932) | 14.0°F (1988) | 1.30 in (1996) |
| January 3 | 48.0°F (1947) | 14.0°F (1934) | 1.24 in (1927) |
| January 4 | 51.1°F (1952) | 12.9°F (1940) | 2.31 in (1936) |
| January 5 | 51.1°F (1952) | 14.0°F (1940) | 1.69 in (2000) |
| January 6 | 48.0°F (1932) | 15.1°F (1986) | 1.10 in (1984) |
| January 7 | 48.0°F (1937) | 14.0°F (2000) | 3.35 in (1985) |
| January 8 | 50.0°F (1935) | 15.1°F (1932) | 0.98 in (1999) |
| January 9 | 50.0°F (1947) | 8.1°F (1996) | 1.20 in (1991) |
| January 10 | 55.0°F (1952) | 8.1°F (1986) | 1.76 in (1927) |
| January 11 | 57.9°F (1952) | 9.0°F (1919) | 1.26 in (1930) |
| January 12 | 50.0°F (1999) | 9.0°F (1919) | 1.73 in (2015) |
| January 13 | 52.0°F (2014) | 8.1°F (1921) | 1.35 in (1994) |
| January 14 | 55.0°F (1937) | 8.1°F (1921) | 1.05 in (2002) |
| January 15 | 50.0°F (1937) | 10.0°F (1983) | 1.35 in (1924) |
| January 16 | 52.0°F (1929) | 10.0°F (1928) | 1.66 in (2002) |
| January 17 | 48.0°F (1929) | 12.0°F (1991) | 2.62 in (1927) |
| January 18 | 55.0°F (1933) | 12.0°F (1998) | 4.00 in (1991) |
| January 19 | 48.0°F (1937) | 15.1°F (1947) | 2.77 in (1940) |
| January 20 | 52.0°F (1929) | 8.1°F (1919) | 2.02 in (1952) |
| January 21 | 50.0°F (1994) | 6.1°F (1919) | 2.87 in (2003) |
| January 22 | 52.0°F (1932) | -8.0°F (1986) | 3.50 in (1992) |
| January 23 | 46.0°F (2025) | 7.0°F (1999) | 2.16 in (2004) |
| January 24 | 54.0°F (1929) | 8.1°F (1919) | 1.14 in (1927) |
| January 25 | 50.0°F (1929) | 6.1°F (1919) | 1.20 in (2001) |
| January 26 | 46.0°F (1929) | 7.0°F (1919) | 2.40 in (2004) |
| January 27 | 48.9°F (2008) | 5.0°F (1989) | 1.57 in (1984) |
| January 28 | 55.9°F (1929) | 3.9°F (1989) | 2.34 in (1951) |
| January 29 | 46.0°F (1928) | 8.1°F (1995) | 2.10 in (1951) |
| January 30 | 55.9°F (1932) | 9.0°F (1989) | 2.50 in (1991) |
| January 31 | 53.1°F (1994) | 12.0°F (1954) | 1.10 in (2007) |