World Resorts USA Anchorage Weather

Anchorage weather in August

Weather in Anchorage: August

Average day temperature: 58.5°F
Average night temperature: 53.2°F
Sea water temperature: 57.5°F
Number of sunny days: 6 days
Day length: 14.3 - 17.1 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 63°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during August were 59.5°F and 53.7°F.

Sea water temperature in Anchorage in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 59.2°F and 55.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Anchorage in August is 1.5 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.8 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 6.3.

Best time for vacation in Anchorage

Sunniest months:
November 8 days
January 7 days
June 6 days
Warmest months:
July 59.5 °F
August 58.5 °F
June 56.4 °F
Warmest sea temp:
August 57.4 °F
July 57.1 °F
June 53.4 °F
Coldest months:
January 15.9 °F
December 17.2 °F
February 20.5 °F
Rainiest months:
August 3 days
September 2 days
October 2 days
Windiest months:
November 5.9 mph
October 5.6 mph
January 5.3 mph

Anchorage on a weather map

Anchorage
-6°F
W 3 mph
Feels like: -13°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+55°F
+57°F
+72°F
+77°F
+72°F
+25°F
+59°F
+57°F
+64°F
+63°F
+68°F
+28°F
24 Hours Forecast
Anchorage
Local time: 20:17
December 21, sunday
2100
-6°F
W
3 mph
December 22, monday
0000
-6°F
NW
3 mph
0300
-6°F
NW
3 mph
0600
-6°F
NW
3 mph
0900
-6°F
W
3 mph
1200
-6°F
W
2 mph
1500
-4°F
SW
2 mph
1800
-4°F
SW
4 mph
Units of measurement: °C / °F