Average June Temperatures for Washington

Average temperatures for June 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 June temperatures
High °F	Low °F	Place	High °C	Low °C
65	51	Aberdeen	18	11
67	47	Clearwater	20	8
68	47	Forks	20	8
68	48	Friday Harbor, San Juan Island	20	9
76	45	Grayland	24	7
62	49	Long Beach	17	9
63	51	Port Angeles	17	11

San Juan Islands, Puget Sound & South

Average daily temperatures in June
High °F	Low °F	Place	High °C	Low °C
70	52	Anacortes	21	11
68	52	Bellingham	20	11
70	51	Bremerton	21	11
71	49	Centralia	22	10
66	51	Everett	19	11
73	50	Longview	23	10
69	51	Mount Vernon	20	10
80	56	Oak Harbor, Whidbey Island	26	13
65	51	Olga, Orcas Island	18	11
71	47	Olympia	22	9
68	51	Port Townsend	20	11
71	53	Seattle	22	12
72	49	Shelton	22	9
71	53	Tacoma	22	12
71	49	Vancouver	22	9

Cascade Mountains

June temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
68	47	Baker Lake Dam	20	8
69	48	Baring	21	9
71	50	Darrington	22	10
74	45	Mt Adams Ranger Station	23	7
54	37	Mt Rainier Paradise Ranger Station	12	3
67	48	Mud Mountain Lake Dam	20	9
70	50	Ross Dam	21	10
60	43	Stampede Pass	15	6

Eastern Washington State

Average June temperatures
High °F	Low °F	Place	High °C	Low °C
72	48	Boundary Dam	22	9
78	53	Chelan	26	12
78	52	Coulee Dam	25	11
82	56	Kennewick	28	14
77	46	Leavenworth	25	8
80	52	Moses Lake	27	11
73	46	Pullman	23	8
74	51	Spokane	23	10
79	55	Walla Walla	26	13
66	52	Wenatchee	19	11
77	46	Winthrop	25	8
81	50	Yakima	27	10

Average Temperatures for Washington in June

Olympic Peninsula & West Coast

San Juan Islands, Puget Sound & South

Cascade Mountains

Eastern Washington State

Reference

More Washington Weather Information