Anchorage Weather Records

Anchorage, Alaska weather averages and records from 1916–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Anchorage, Alaska was 90 °F which occurred on July 4, 2019.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Anchorage, Alaska was -38 °F which occurred on February 3, 1947.
Lowest Temperatures: All-Time By Year
Anchorage Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 22.9 11.0 56 -35 0.8 12.4
February 27.5 15.2 57 -38 0.9 13.0
March 33.1 18.6 56 -24 0.7 11.0
April 45.4 29.9 69 -21 0.4 4.0
May 56.5 40.0 82 1 0.7 0.3
June 63.6 48.4 85 29 1.0 0.0
July 66.4 52.9 90 34 1.8 0.0
August 64.2 50.9 82 31 2.9 0.0
September 55.9 42.9 73 19 3.1 0.4
October 42.2 30.7 64 -6 1.8 5.5
November 29.1 18.3 62 -21 1.2 12.6
December 25.1 13.8 53 -36 1.2 18.3
Entire year 44.4 31.1 90 -38 16.4 77.5
More Anchorage Weather Records
1916–2024
Highest daily low 63 °F August 14, 2019
Lowest daily high -21 °F December 24, 1917
Greatest daily range
(Difference of high and low)
52 °F March 17, 1922
Greatest difference in daily high
over two conscutive days
38 °F Jan 21–22, 1999
Most daily precipitation 2.8 inches August 21, 1997
Most monthly precipitation 9.8 inches August 1989
Most yearly precipitation 28.6 inches 2022
Most yearly days with precipitation 155 2023
Earliest snow in season September 20 1947
Latest snow in season May 22 1964
Most daily snow 22.0 inches March 17, 2002
Most monthly snow 52.1 inches February 1996
Most yearly snow 171.6 inches 1955
Most snow in a winter 134.5 inches 2011–2012
Greatest snow accumulation 47.0 inches January 1, 1956
Earliest freeze August 24 1948
Earliest day ≥ 70 °F May 8 1981
Earliest day ≥ 80 °F May 28 1947
Latest freeze June 15 1916
Latest day ≥ 70 °F September 26 1929
Latest day ≥ 80 °F August 22 1923
Most days in a year < 0 °F 75 1956
Most days in a year < 32 °F 227 1920
Most days in a year ≥ 80 °F 8 2019
Most days in a year ≥ 90 °F 1 2019
Anchorage Weather Streaks
Most consecutive days...
With precipitation 18 days Sep 7–24, 1919
Without precipitation 78 days Jan 6 – Mar 24, 1950
With snow 11 days Dec 11–21, 2018
High temperature at or
below freezing
103 days Oct 31, 1942 – Feb 10, 1943
High temperature ≥ 80 °F 6 days Jul 3–8, 2019
Plant Hardiness Zone
5B
Anchorage is in plant hardiness zone 5B
based on average yearly minimum temperature from 1991–2020
Facts About Anchorage Weather
Anchorage Weather by Year
More Anchorage Weather
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Weather Station Details
Years Station Coordinates
1953–2024 Anchorage International Airport location
1916–1952 Anchorage Merrill Field location