< Previous Month Next Month >

Winthrop August Weather

Averages and records for weather in Winthrop, Washington in the month of August.

Typical Winthrop August Weather 1991–2020
Average daily high	86.1 °F
Average daily low	49.8 °F
Average monthly precipitation	0.4 inches
Average monthly snow	none
Daily chance of precipitation	12.2%
Daily chance of snow	0%

Winthrop August Weather Records 1906–2024
Highest temperature	105 °F	August 4, 1961
Lowest temperature	28 °F	August 25, 1910
Highest daily low	72 °F	August 1, 1919
Lowest daily high	52 °F	August 28, 1951
Hottest average high temperature	94.0 °F	1967
Coldest average high temperature	77.8 °F	1912
Most daily precipitation	1.3 inches	August 15, 1912
Most monthly precipitation	3.4 inches	1976
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	88.1	51.7	102	38
August 2	88.1	51.7	100	37
August 3	88.1	51.6	102	40
August 4	88.2	51.6	105	38
August 5	88.1	51.6	102	37
August 6	88.1	51.4	99	36
August 7	87.9	51.4	100	40
August 8	87.8	51.2	101	39
August 9	87.7	51.1	101	39
August 10	87.4	50.9	103	32
August 11	87.2	50.7	103	38
August 12	86.9	50.5	102	41
August 13	86.7	50.3	102	38
August 14	86.6	50.1	101	37
August 15	86.4	50.0	101	35
August 16	86.2	49.8	103	36
August 17	85.9	49.6	104	35
August 18	85.7	49.5	104	36
August 19	85.5	49.3	101	32
August 20	85.2	49.1	101	35
August 21	84.9	48.8	100	34
August 22	84.7	48.5	100	34
August 23	84.4	48.2	101	35
August 24	84.1	48.0	100	28
August 25	83.9	47.8	101	28
August 26	83.6	47.5	100	29
August 27	83.4	47.3	99	35
August 28	83.1	47.0	99	33
August 29	82.9	46.7	100	30
August 30	82.7	46.4	96	32
August 31	82.4	46.1	97	33

Weather Station Details

Years	Station	Coordinates
1906–2024	Winthrop 1 WSW	location