Average Temperatures for Washington in July





Average temperatures for July at cities and other locations throughout Washington are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Olympic Peninsula & West Coast, San Juan Islands & Puget Sound, Cascade Mountains and Eastern Washington.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Olympic Peninsula & West Coast

Average July temperatures
High °F Low °F Place High °C Low °C
68 54 Aberdeen 20 12
72 50 Clearwater 22 10
73 50 Forks 23 10
72 50 Friday Harbor, San Juan Island 22 10
86 50 Grayland 30 10
65 52 Long Beach 18 11
67 55 Port Angeles 20 13

San Juan Islands, Puget Sound & South

Average daily temperatures in July
High °F Low °F Place High °C Low °C
75 54 Anacortes 24 12
73 55 Bellingham 23 13
77 55 Bremerton 25 13
78 53 Centralia 25 12
72 55 Everett 22 13
79 53 Longview 26 12
73 54 Mount Vernon 23 12
89 62 Oak Harbor, Whidbey Island 32 17
69 54 Olga, Orcas Island 21 12
78 51 Olympia 25 10
73 53 Port Townsend 23 12
77 57 Seattle 25 14
78 52 Shelton 26 11
77 57 Tacoma 25 14
78 53 Vancouver 26 12

Cascade Mountains

July temperatures: daily averages
High °F Low °F Place High °C Low °C
74 51 Baker Lake Dam 24 11
77 52 Baring 25 11
78 53 Darrington 26 12
84 50 Mt Adams Ranger Station 29 10
62 44 Mt Rainier Paradise Ranger Station 17 7
75 52 Mud Mountain Lake Dam 24 11
79 55 Ross Dam 26 13
68 50 Stampede Pass 20 10

Eastern Washington State

Average July temperatures
High °F Low °F Place High °C Low °C
84 52 Boundary Dam 29 11
87 59 Chelan 30 15
88 59 Coulee Dam 31 15
91 62 Kennewick 33 17
87 51 Leavenworth 31 11
90 57 Moses Lake 32 14
84 50 Pullman 29 10
84 58 Spokane 29 14
90 62 Walla Walla 32 17
69 54 Wenatchee 21 12
86 51 Winthrop 30 10
90 55 Yakima 32 13
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Washington Temperatures
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