Thermograph

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

Anchorage weather records

Record high and low temperatures for Anchorage, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 80°F on 2019-07-05; its coldest fell to -30°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
44°F2018-01-02
-18°F1989-01-28
39°F2025-01-26
-30°F1989-01-28
February
43°F2014-02-28
-15°F1999-02-04
37°F2024-02-20
-26°F1999-02-04
March
49°F2016-03-24
5°F1992-03-05
38°F2016-03-30
-10°F1992-03-05
April
62°F2005-04-29
14°F1985-04-01
42°F2016-04-24
2°F1985-04-01
May
70°F2010-05-28
34°F2001-05-03
53°F2016-05-30
26°F2001-05-04
June
78°F2019-06-30
47°F1982-06-07
62°F2019-06-30
37°F1985-06-02
July
80°F2019-07-05
51°F2026-07-12
64°F2019-07-08
46°F2008-07-01
August
76°F2004-08-18
51°F1998-08-26
64°F2019-08-16
40°F1984-08-28
September
66°F2016-09-03
36°F1983-09-25
57°F2023-09-01
28°F1983-09-26
October
59°F2003-10-01
15°F1982-10-27
53°F2003-10-01
2°F1996-10-27
November
44°F2002-11-26
-7°F1990-11-30
41°F2019-11-02
-14°F1990-11-30
December
44°F2017-12-11
-16°F1980-12-17
37°F2024-12-10
-21°F1980-12-17

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)
44°F2017-12-11
-18°F1989-01-28
39°F2025-01-26
-30°F1989-01-28
Spring (Mar–May)
70°F2010-05-28
5°F1992-03-05
53°F2016-05-30
-10°F1992-03-05
Summer (Jun–Aug)
80°F2019-07-05
47°F1982-06-07
64°F2019-07-08
37°F1985-06-02
Autumn (Sep–Nov)
66°F2016-09-03
-7°F1990-11-30
57°F2023-09-01
-14°F1990-11-30

All-time records

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

High

Highest 80°F 2019-07-05
Lowest -18°F 1989-01-28

Low

Highest 64°F 2019-07-08
Lowest -30°F 1989-01-28

Feels-like

Highest 83°F 2019-07-05
Lowest -52°F 1989-01-28

Humidity

Highest 13.8 g/m³ 2019-07-09
Lowest 0.3 g/m³ 1989-01-28

Wind

Highest 29 mph 2022-01-02
Lowest 1 mph 1980-12-03

Gust

Highest 61 mph 1996-09-25
Lowest 5 mph 1988-03-22

Precip

Wettest 2.83 in 1989-08-26
Driest 13-day dry spell 2019-06-27

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

Grade Anchorage's weather now →

‹ Back to Anchorage climate