Anchorage, Alaska, United States climate

Average temperatures, precipitation and all-time records for Anchorage, Alaska, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 61°F, and its coldest is January, with an average low of 13°F.

Anchorage, officially the Municipality of Anchorage, is the most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 census, it contains nearly 40 percent of the state's population. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Anchorage, Alaska, United States's own ±7-day seasonal distribution.

High 60°F Normal · 44th pct

Low 51°F Above Normal · 61st pct

Feels-like 48°F Normal · 51st pct

Humidity 8.9 g/m³ Below Normal · 37th pct

Wind 9 mph High · 84th pct

Precip 0.09 in Heavy · 64th pct

Open Anchorage in the live weather grader →

Anchorage average temperatures by month

Typical daily high and low, and average precipitation, for each month in Anchorage, Alaska, United States, based on 1981–2026 records. The wettest month is September (0.20 in on an average day).

Month	Avg high	Avg low	Avg precip
January	21°F	13°F	0.10 in
February	23°F	13°F	0.10 in
March	28°F	16°F	0.00 in
April	36°F	26°F	0.10 in
May	48°F	36°F	0.10 in
June	57°F	45°F	0.10 in
July	61°F	50°F	0.10 in
August	60°F	49°F	0.10 in
September	52°F	42°F	0.20 in
October	39°F	31°F	0.10 in
November	25°F	18°F	0.10 in
December	22°F	14°F	0.10 in

Jan -6°–34°

Feb -4°–34°

Mar 2°–35°

Apr 17°–41°

May 31°–56°

Jun 40°–65°

Jul 46°–68°

Aug 45°–66°

Sep 36°–57°

Oct 22°–46°

Nov 4°–36°

Dec -1°–34°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 81°F on 2019-07-08
Coldest day on record: -45°F on 1989-01-28

All Anchorage weather records →

Percentiles compare each day to Anchorage, Alaska, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →