Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Anchorage, Alaska, United States weather records

Record high and low temperatures for Anchorage, Alaska, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 81°F on 2019-07-08; its coldest fell to -45°F on 1989-01-28.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
38°F2014-01-27
-30°F1989-01-27
35°F2014-01-26
-45°F1989-01-28
February
38°F1991-02-27
-19°F1999-02-02
34°F2010-02-19
-32°F1999-02-03
March
43°F2016-03-31
-2°F1992-03-04
35°F2019-03-22
-17°F1995-03-14
April
56°F2003-04-27
5°F1985-04-01
40°F2005-04-27
-7°F1986-04-07
May
69°F2006-05-26
30°F2001-05-03
52°F1993-05-30
17°F1992-05-04
June
79°F2013-06-17
43°F1982-06-06
59°F2004-06-26
34°F1986-06-02
July
81°F2019-07-08
50°F1991-07-31
65°F2019-07-04
41°F1982-07-02
August
80°F2004-08-16
46°F1998-08-27
60°F2004-08-17
34°F1984-08-27
September
66°F2016-09-02
31°F1983-09-24
53°F2019-09-01
21°F1992-09-23
October
55°F2009-10-12
10°F1982-10-26
50°F2003-10-01
0°F1982-10-26
November
44°F2002-11-05
-16°F1990-11-30
40°F2002-11-05
-20°F1990-11-30
December
39°F2002-12-03
-9°F1999-12-31
36°F2002-12-05
-18°F1990-12-01

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
39°F2002-12-03
-30°F1989-01-27
36°F2002-12-05
-45°F1989-01-28
Spring (Mar–May)
69°F2006-05-26
-2°F1992-03-04
52°F1993-05-30
-17°F1995-03-14
Summer (Jun–Aug)
81°F2019-07-08
43°F1982-06-06
65°F2019-07-04
34°F1986-06-02
Autumn (Sep–Nov)
66°F2016-09-02
-16°F1990-11-30
53°F2019-09-01
-20°F1990-11-30

All-time records

The most extreme value Anchorage has recorded for each metric across its entire history.

High

Highest 81°F 2019-07-08
Lowest -30°F 1989-01-27

Low

Highest 65°F 2019-07-04
Lowest -45°F 1989-01-28

Feels-like

Highest 84°F 2019-07-08
Lowest -78°F 1989-01-28

Humidity

Highest 13.4 g/m³ 2019-08-13
Lowest 0.2 g/m³ 1989-01-27

Wind

Highest 40 mph 2015-12-30
Lowest 1 mph 2009-12-10

Precip

Wettest 3.35 in 1986-10-10
Driest 20-day dry spell 1989-02-26

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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