Seward Weather Records

Seward, Alaska weather averages and records from 1908–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Seward, Alaska was 95 °F which occurred on August 12, 1966.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Seward, Alaska was -20 °F which occurred on January 29, 1919.
Lowest Temperatures: All-Time By Year
Seward Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 32.0 21.9 61 -20 6.2
February 34.5 24.1 56 -17 6.1
March 37.4 25.2 67 -7 3.9
April 45.4 32.4 74 -1 4.5
May 53.5 39.6 80 14 3.4
June 59.0 46.0 88 30 2.2
July 62.1 50.4 88 30 3.1
August 62.2 50.0 95 30 5.1
September 55.4 43.7 84 26 10.2
October 45.6 35.0 65 8 8.6
November 36.2 26.9 58 -4 7.2
December 33.4 23.4 53 -12 8.1
Entire year 46.4 34.9 95 -20 68.3
More Seward Weather Records
1908–2024
Highest daily low 69 °F August 14, 1911
Lowest daily high -7 °F January 29, 1989
Greatest daily range
(Difference of high and low)		 52 °F January 13, 1909
Greatest difference in daily high
over two conscutive days		 40 °F Aug 11–12, 1966
Most daily precipitation 15.1 inches October 10, 1986
Most monthly precipitation 33.2 inches October 1923
Most yearly precipitation 101.1 inches 2002
Most yearly days with precipitation 204 1943
Earliest freeze August 3 1921
Earliest day ≥ 70 °F April 27 2005
Earliest day ≥ 80 °F May 28 2013
Latest freeze July 10 1917
Latest day ≥ 70 °F September 18 2010
Latest day ≥ 80 °F September 9 1910
Most days in a year < 0 °F 19 1917
Most days in a year < 32 °F 181 1972
Most days in a year ≥ 80 °F 10 2019
Most days in a year ≥ 90 °F 1 1966
Seward Weather Streaks
Most consecutive days...
With precipitation 36 days Sep 28 – Nov 2, 1923
Without precipitation 46 days Jan 5 – Feb 19, 1950
High temperature at or
below freezing		 36 days Jan 19 – Feb 23, 1909
High temperature ≥ 80 °F 4 days Jul 24–27, 1919
Plant Hardiness Zone
7A
Seward is in plant hardiness zone 7A
based on average yearly minimum temperature from 1991–2020
Seward Weather by Year
2024 2023 2022 2021 2020 2019 2018 2017 2016 2015
2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
2004 2003 2002 2001 2000 1999 1998 1997 1996 1995
1994 1993 1992 1991 1990 1989 1988 1987 1986 1985
1984 1983 1982 1981 1980 1979 1978 1977 1976 1975
1974 1973 1972 1971 1970 1969 1968 1967 1966 1965
1964 1963 1962 1961 1960 1959 1958 1957 1956 1955
1954 1953 1952 1951 1950 1949 1948 1947 1946 1945
1944 1943 1942 1941 1940 1939 1938 1937 1936 1935
1934 1933 1932 1931 1930 1929 1925 1924 1923 1922
1921 1920 1919 1918 1917 1916 1915 1914 1913 1912
1911 1910 1909 1908
More Seward Weather
Average Weather by Day
Record High by Day
Record Low by Day
Average Temperature by Year
Average Temperature by Month
Average Rainfall By Month
Recent Weather Records
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Weather Station Details
Years Station Coordinates
1908–2024 Seward Airport location
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