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Walla Walla July Weather

Averages and records for weather in Walla Walla, Washington in the month of July.

Typical Walla Walla July Weather 1991–2020
Average daily high	90.3 °F
Average daily low	62.1 °F
Average monthly precipitation	0.5 inches
Average monthly snow	none
Daily chance of precipitation	8.7%
Daily chance of snow	0%

Walla Walla July Weather Records 1949–2024
Highest temperature	114 °F	July 10, 1975
Lowest temperature	40 °F	July 7, 1971
Highest daily low	80 °F	July 13, 2002
Lowest daily high	56 °F	July 6, 1955
Hottest average high temperature	98.5 °F	1985
Coldest average high temperature	80.0 °F	1993
Most daily precipitation	3.6 inches	July 23, 1992
Most monthly precipitation	4.7 inches	1992
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
July 1	86.0	58.9	106	47
July 2	86.4	59.2	105	43
July 3	86.8	59.5	105	43
July 4	87.1	59.8	106	46
July 5	87.4	60.1	110	48
July 6	87.7	60.2	106	44
July 7	88.0	60.4	105	40
July 8	88.4	60.7	109	47
July 9	88.6	60.9	113	52
July 10	88.9	61.1	114	48
July 11	89.1	61.3	109	46
July 12	89.3	61.5	110	47
July 13	89.5	61.6	107	49
July 14	89.8	61.7	104	51
July 15	90.1	61.9	107	49
July 16	90.3	62.1	105	48
July 17	90.6	62.2	108	51
July 18	90.8	62.4	109	48
July 19	91.0	62.6	106	49
July 20	91.1	62.7	109	48
July 21	91.3	62.8	108	52
July 22	91.4	63.0	112	48
July 23	91.5	63.1	108	48
July 24	91.4	63.2	110	52
July 25	91.4	63.2	107	51
July 26	91.4	63.2	105	52
July 27	91.4	63.2	106	53
July 28	91.4	63.2	107	49
July 29	91.4	63.2	108	51
July 30	91.4	63.3	109	53
July 31	91.5	63.2	111	50

Weather Station Details

Years	Station	Coordinates
1949–2024	Walla Walla Regional Airport	location