April weather in Unalaska, AK
The average temperature in Unalaska in April is 37.1°F (32.5°F–41.8°F). Average precipitation: 3.47 inches. Average snowfall is 6.3 inches.
April is a spring month in Unalaska, and is cooler than the annual average of 41.6°F. Daily temperatures swing about 9.3°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 13h 45m. For travel, April is cold.
Avg High
41.8°F
Avg Low
32.5°F
Precipitation
3.47 in
Snow
6.3 in
April records in Unalaska
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 51.1°F (2003) | -5.1°F (1997) | 1.05 in (1991) |
| April 2 | 50.0°F (2024) | 17.1°F (2004) | 3.46 in (1936) |
| April 3 | 55.0°F (2020) | 14.0°F (2004) | 0.96 in (1999) |
| April 4 | 55.0°F (1936) | 19.0°F (1984) | 1.68 in (1998) |
| April 5 | 59.0°F (2015) | 16.0°F (1930) | 0.72 in (1994) |
| April 6 | 52.0°F (1929) | 12.9°F (1930) | 1.00 in (1923) |
| April 7 | 51.1°F (1954) | 10.0°F (1984) | 1.59 in (1940) |
| April 8 | 51.1°F (2006) | 21.0°F (1928) | 1.55 in (1953) |
| April 9 | 50.0°F (1982) | 19.9°F (1920) | 2.00 in (1924) |
| April 10 | 52.0°F (2024) | 19.9°F (1985) | 0.82 in (1941) |
| April 11 | 55.0°F (2006) | 18.0°F (1932) | 1.40 in (1953) |
| April 12 | 54.0°F (2006) | 17.1°F (1932) | 1.05 in (1951) |
| April 13 | 54.0°F (1983) | 10.0°F (1983) | 1.00 in (1992) |
| April 14 | 61.0°F (1935) | 18.0°F (1929) | 0.95 in (1922) |
| April 15 | 54.0°F (1995) | 21.0°F (1920) | 0.95 in (1935) |
| April 16 | 48.0°F (1925) | 19.9°F (1952) | 1.46 in (1947) |
| April 17 | 52.0°F (1939) | 21.0°F (1952) | 0.60 in (1947) |
| April 18 | 59.0°F (1939) | 19.9°F (1952) | 0.88 in (1998) |
| April 19 | 54.0°F (1924) | 19.9°F (1923) | 1.94 in (2003) |
| April 20 | 52.0°F (1930) | 24.1°F (1916) | 1.48 in (1951) |
| April 21 | 53.1°F (1936) | 18.0°F (1932) | 1.46 in (1923) |
| April 22 | 51.1°F (1936) | 17.1°F (1932) | 1.10 in (1938) |
| April 23 | 53.1°F (1945) | 15.1°F (1987) | 1.65 in (1924) |
| April 24 | 53.1°F (1937) | 14.0°F (1939) | 1.18 in (2002) |
| April 25 | 52.0°F (1939) | 24.1°F (1919) | 0.95 in (1984) |
| April 26 | 55.0°F (1924) | 18.0°F (1939) | 1.03 in (2005) |
| April 27 | 51.1°F (1987) | 17.1°F (1932) | 0.77 in (2016) |
| April 28 | 55.9°F (2002) | 19.9°F (1928) | 1.62 in (1941) |
| April 29 | 54.0°F (2018) | 24.1°F (1924) | 1.16 in (2003) |
| April 30 | 61.0°F (1920) | 10.0°F (1984) | 0.98 in (1938) |