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Anchorage August Weather

Averages and records for weather in Anchorage, Alaska in the month of August.

Typical Anchorage August Weather 1991–2020
Average daily high	64.2 °F
Average daily low	50.9 °F
Average monthly precipitation	2.9 inches
Average monthly snow	none
Daily chance of precipitation	46.6%
Daily chance of snow	0%

Anchorage August Weather Records 1916–2024
Highest temperature	82 °F	August 2, 1978
Lowest temperature	31 °F	August 31, 1984
Highest daily low	63 °F	August 14, 2019
Lowest daily high	50 °F	August 21, 1985
Hottest average high temperature	71.4 °F	2019
Coldest average high temperature	59.4 °F	1939
Most daily precipitation	2.8 inches	August 21, 1997
Most monthly precipitation	9.8 inches	1989
Most daily snow	none	-
Most monthly snow	none	-

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	66.0	52.9	79	39
August 2	65.9	52.8	82	40
August 3	65.8	52.8	79	35
August 4	65.7	52.6	78	36
August 5	65.6	52.5	76	40
August 6	65.5	52.4	82	39
August 7	65.3	52.3	77	38
August 8	65.3	52.2	77	36
August 9	65.2	52.0	80	38
August 10	65.2	51.9	77	40
August 11	65.0	51.8	80	36
August 12	64.9	51.7	77	41
August 13	64.7	51.5	77	35
August 14	64.6	51.3	80	32
August 15	64.4	51.1	78	34
August 16	64.3	50.9	81	38
August 17	64.1	50.8	78	32
August 18	63.9	50.6	74	37
August 19	63.7	50.4	72	38
August 20	63.5	50.2	77	36
August 21	63.3	50.0	82	36
August 22	63.1	49.8	82	33
August 23	62.8	49.6	74	33
August 24	62.6	49.4	75	31
August 25	62.4	49.2	76	34
August 26	62.2	48.9	74	31
August 27	61.9	48.6	73	33
August 28	61.7	48.3	77	31
August 29	61.4	48.1	77	33
August 30	61.2	47.8	77	34
August 31	61.0	47.6	74	31

Weather Station Details

Years	Station	Coordinates
1953–2024	Anchorage International Airport	location
1916–1952	Anchorage Merrill Field	location