October weather in Unalaska, AK
The average temperature in Unalaska in October is 43.2°F (38.4°F–48.1°F). Average precipitation: 7.89 inches. Average snowfall is 0.4 inches.
October is a fall month in Unalaska, and is warmer than the annual average of 41.6°F. Daily temperatures swing about 9.7°F between overnight low and afternoon high. Expect about 25 days with precipitation. Daylight averages about 10h 13m. For travel, October is a wet month.
Avg High
48.1°F
Avg Low
38.4°F
Precipitation
7.89 in
Snow
0.4 in
October records in Unalaska
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 64.9°F (1916) | 30.0°F (1990) | 3.26 in (1994) |
| October 2 | 62.1°F (1916) | 25.0°F (1991) | 2.10 in (2013) |
| October 3 | 59.0°F (2016) | -2.0°F (1984) | 0.98 in (1952) |
| October 4 | 64.9°F (1995) | 1.9°F (1929) | 1.23 in (2012) |
| October 5 | 61.0°F (2021) | 21.9°F (1926) | 2.61 in (1985) |
| October 6 | 62.1°F (1926) | 16.0°F (1992) | 1.60 in (1947) |
| October 7 | 57.9°F (1927) | 19.0°F (1988) | 2.21 in (2016) |
| October 8 | 61.0°F (2013) | 12.9°F (1988) | 2.30 in (2014) |
| October 9 | 59.0°F (1924) | 19.0°F (1988) | 2.06 in (2009) |
| October 10 | 61.0°F (1926) | 16.0°F (1988) | 2.81 in (1946) |
| October 11 | 55.9°F (1926) | 26.1°F (1985) | 1.62 in (1920) |
| October 12 | 57.0°F (1986) | 18.0°F (1992) | 1.38 in (1999) |
| October 13 | 57.0°F (1993) | 21.9°F (1947) | 2.10 in (1938) |
| October 14 | 60.1°F (1931) | 28.0°F (1986) | 1.53 in (1941) |
| October 15 | 57.9°F (1926) | 21.9°F (1926) | 1.64 in (2006) |
| October 16 | 55.9°F (1926) | 28.0°F (1986) | 1.52 in (1938) |
| October 17 | 57.9°F (1925) | 15.1°F (1929) | 2.32 in (1984) |
| October 18 | 63.0°F (2004) | 26.1°F (1938) | 3.21 in (1926) |
| October 19 | 61.0°F (2004) | 10.9°F (1994) | 1.96 in (1926) |
| October 20 | 55.0°F (2024) | 19.9°F (1926) | 1.86 in (1929) |
| October 21 | 55.9°F (2024) | 26.1°F (1926) | 2.37 in (1933) |
| October 22 | 57.0°F (1919) | 23.0°F (1926) | 2.00 in (1923) |
| October 23 | 57.9°F (1919) | 19.0°F (1926) | 1.22 in (1915) |
| October 24 | 57.9°F (2022) | 19.0°F (1926) | 2.00 in (2013) |
| October 25 | 57.9°F (1991) | 15.1°F (1991) | 5.42 in (2019) |
| October 26 | 55.0°F (2004) | 24.1°F (1926) | 2.41 in (1941) |
| October 27 | 61.0°F (1926) | 23.0°F (1924) | 2.25 in (1998) |
| October 28 | 55.9°F (1928) | 23.0°F (1994) | 1.50 in (1991) |
| October 29 | 57.0°F (1995) | 5.0°F (1985) | 2.85 in (2003) |
| October 30 | 52.0°F (1926) | -13.0°F (1984) | 1.49 in (2003) |
| October 31 | 54.0°F (2003) | 21.9°F (2000) | 2.77 in (2018) |