May weather in Seward, AK
The average temperature in Seward in May is 46.3°F (39.2°F–53.4°F). Average precipitation: 3.50 inches.
May is a spring month in Seward, and is warmer than the annual average of 40.4°F. Daily temperatures swing about 14.2°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 16h 51m. For travel, May is cool.
Avg High
53.4°F
Avg Low
39.2°F
Precipitation
3.50 in
Daylight
16h 51m
May records in Seward
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 71.1°F (1917) | 27.0°F (1937) | 2.04 in (1973) |
| May 2 | 72.0°F (2014) | 28.2°F (2018) | 0.94 in (1965) |
| May 3 | 66.9°F (1915) | 14.0°F (1945) | 0.99 in (2013) |
| May 4 | 71.1°F (1915) | 21.9°F (1945) | 2.08 in (1981) |
| May 5 | 71.1°F (2004) | 19.0°F (1945) | 1.40 in (1972) |
| May 6 | 68.0°F (1915) | 26.1°F (1922) | 1.88 in (1995) |
| May 7 | 70.0°F (1981) | 29.1°F (2025) | 1.10 in (1950) |
| May 8 | 68.0°F (1957) | 27.0°F (1965) | 5.11 in (1985) |
| May 9 | 70.0°F (2020) | 21.0°F (1964) | 3.45 in (1998) |
| May 10 | 70.0°F (2014) | 19.9°F (1964) | 2.00 in (1912) |
| May 11 | 70.0°F (1942) | 28.9°F (1910) | 1.32 in (1934) |
| May 12 | 73.9°F (1968) | 30.9°F (1952) | 1.10 in (2008) |
| May 13 | 72.0°F (1942) | 32.0°F (1909) | 1.31 in (1971) |
| May 14 | 75.9°F (1942) | 30.0°F (1965) | 1.44 in (1973) |
| May 15 | 75.9°F (1942) | 30.9°F (1964) | 3.23 in (1961) |
| May 16 | 75.9°F (1942) | 28.9°F (1947) | 1.93 in (1961) |
| May 17 | 78.1°F (2014) | 28.9°F (1947) | 1.31 in (1980) |
| May 18 | 82.9°F (2004) | 28.9°F (1947) | 6.64 in (1985) |
| May 19 | 73.0°F (1993) | 27.0°F (1932) | 1.40 in (1998) |
| May 20 | 73.9°F (1915) | 26.1°F (1932) | 2.59 in (1933) |
| May 21 | 72.0°F (1997) | 30.9°F (1944) | 1.22 in (1947) |
| May 22 | 72.0°F (1997) | 30.0°F (1943) | 0.94 in (1944) |
| May 23 | 72.0°F (2006) | 30.0°F (1946) | 2.25 in (1995) |
| May 24 | 72.0°F (2021) | 31.1°F (2011) | 1.27 in (1912) |
| May 25 | 75.0°F (1910) | 33.1°F (1940) | 2.09 in (1987) |
| May 26 | 75.9°F (2006) | 31.1°F (2017) | 0.70 in (1932) |
| May 27 | 75.9°F (2006) | 30.9°F (1931) | 0.80 in (1934) |
| May 28 | 80.1°F (2013) | 30.9°F (1934) | 2.20 in (1922) |
| May 29 | 75.9°F (1993) | 21.9°F (1917) | 2.20 in (1936) |
| May 30 | 78.1°F (2015) | 32.0°F (1911) | 0.96 in (1985) |
| May 31 | 77.0°F (2015) | 30.0°F (1944) | 2.03 in (1985) |