December weather in Seward, AK
The average temperature in Seward in December is 28.2°F (23.2°F–33.2°F). Average precipitation: 8.22 inches.
December is a winter month in Seward, and is cooler than the annual average of 40.4°F. Daily temperatures swing about 10°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 5h 31m. For travel, December is a wet month.
Avg High
33.2°F
Avg Low
23.2°F
Precipitation
8.22 in
Daylight
5h 31m
December records in Seward
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.0°F (1929) | -8.0°F (1988) | 3.54 in (2020) |
| December 2 | 46.9°F (1929) | 3.0°F (1916) | 1.74 in (1963) |
| December 3 | 48.9°F (2002) | 3.9°F (1916) | 2.52 in (2002) |
| December 4 | 53.1°F (1914) | 3.9°F (1916) | 2.65 in (1908) |
| December 5 | 46.9°F (1934) | 1.0°F (1942) | 9.17 in (1934) |
| December 6 | 48.0°F (1914) | -5.1°F (1916) | 2.55 in (1943) |
| December 7 | 46.9°F (2014) | -0.9°F (1942) | 3.22 in (2018) |
| December 8 | 46.9°F (2019) | -4.0°F (1935) | 2.08 in (2006) |
| December 9 | 48.9°F (2019) | -11.9°F (1918) | 4.25 in (2003) |
| December 10 | 48.0°F (1914) | -9.0°F (1918) | 2.80 in (1986) |
| December 11 | 50.0°F (2019) | -11.9°F (1918) | 2.84 in (1985) |
| December 12 | 50.0°F (2017) | -18.9°F (1977) | 2.00 in (1930) |
| December 13 | 48.9°F (1914) | -6.0°F (1964) | 3.27 in (1960) |
| December 14 | 48.9°F (1914) | -8.0°F (1964) | 1.20 in (2014) |
| December 15 | 48.9°F (2005) | -8.0°F (1964) | 2.06 in (2005) |
| December 16 | 48.0°F (2005) | -7.1°F (1946) | 2.65 in (1981) |
| December 17 | 46.0°F (1935) | -6.0°F (1980) | 4.50 in (1952) |
| December 18 | 46.9°F (1935) | -4.0°F (1980) | 2.30 in (1935) |
| December 19 | 46.9°F (1914) | -5.1°F (1942) | 1.81 in (1969) |
| December 20 | 52.0°F (1969) | -5.1°F (1933) | 2.33 in (1985) |
| December 21 | 46.9°F (1940) | -2.9°F (1933) | 3.40 in (1999) |
| December 22 | 48.0°F (1955) | -2.9°F (1917) | 3.45 in (1999) |
| December 23 | 45.0°F (1985) | -5.1°F (1979) | 2.50 in (1918) |
| December 24 | 46.0°F (1985) | -11.0°F (1917) | 1.40 in (1952) |
| December 25 | 45.0°F (2000) | -9.0°F (1917) | 3.91 in (2001) |
| December 26 | 46.9°F (1935) | -5.1°F (1917) | 5.02 in (2001) |
| December 27 | 51.1°F (2021) | -4.0°F (1961) | 2.90 in (1909) |
| December 28 | 52.0°F (2013) | -9.9°F (1961) | 1.90 in (1930) |
| December 29 | 46.9°F (2012) | -11.9°F (1961) | 3.72 in (1969) |
| December 30 | 48.9°F (2013) | -5.1°F (1961) | 2.15 in (1955) |
| December 31 | 48.9°F (1941) | -9.9°F (1912) | 3.00 in (1919) |