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Pullman August Weather

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

Typical Pullman August Weather 1991–2020
Average daily high	84.8 °F
Average daily low	50.6 °F
Average monthly precipitation	0.5 inches
Average monthly snow	none
Daily chance of precipitation	11.3%
Daily chance of snow	0%

Pullman August Weather Records 1940–2024
Highest temperature	110 °F	August 4, 1961
Lowest temperature	30 °F	August 21, 1945
Highest daily low	72 °F	August 18, 2020
Lowest daily high	51 °F	August 23, 1992
Hottest average high temperature	90.4 °F	1967
Coldest average high temperature	75.6 °F	1954
Most daily precipitation	2.5 inches	August 10, 1952
Most monthly precipitation	3.8 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	86.7	51.4	105	35
August 2	86.7	51.4	101	35
August 3	86.7	51.4	102	38
August 4	86.7	51.5	110	36
August 5	86.8	51.5	103	41
August 6	86.7	51.5	103	37
August 7	86.7	51.4	99	35
August 8	86.6	51.3	100	37
August 9	86.5	51.3	102	39
August 10	86.3	51.2	105	35
August 11	86.0	51.0	103	37
August 12	85.8	50.8	100	36
August 13	85.5	50.6	101	36
August 14	85.3	50.5	101	36
August 15	85.2	50.5	101	40
August 16	84.9	50.5	102	38
August 17	84.6	50.3	102	32
August 18	84.4	50.1	103	39
August 19	84.1	50.0	103	35
August 20	83.8	49.8	96	30
August 21	83.5	49.6	96	30
August 22	83.3	49.5	100	37
August 23	83.0	49.3	96	36
August 24	82.8	49.2	100	34
August 25	82.5	49.0	100	33
August 26	82.1	48.8	99	34
August 27	81.7	48.6	99	35
August 28	81.4	48.4	96	32
August 29	81.2	48.2	101	30
August 30	80.9	47.9	101	35
August 31	80.6	47.7	100	31

Weather Station Details

Years	Station	Coordinates
1940–2024	Pullman 2 Nw	location