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Coldest beach in Washington in July

187 coastal locations in Washington ranked by their typical July sea temperature. State-wide average in July: 12.5°C.

Coldest in July

Twin Rivers, Strait of Juan de Fuca, Washington

10.4°C

State July average

12.5°C

across 187 coastal locations in Washington

Vs annual mean

+2.2°C

above the year-round state average

What the Washington water feels like in July

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

Washington monthly average 8.1°C to 13.0°C
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  • Warmest month August 13.0°C
  • Coldest month February 8.1°C
  • Annual mean 10.3°C
  • Months above 20°C 0 of 12

Where July fits in the year

July sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Washington sea temperature map (live)

Today's reading at every Washington beach we track. The list below uses the typical July mean from a decade of daily history.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Washington beaches in July

Sorted by typical July mean. Click any beach for the full location page.

# Location July mean
1 Alki Beach Washington 11.2°C
2 Bainbridge Island Washington 11.2°C
3 Bellevue Washington 11.2°C
4 Union Washington 11.2°C
5 Admiralty Head, Admiralty Inlet, Washington Washington 11.2°C
6 Bremerton, Sinclair Inlet, Port Orchard, Puget Sound Washington 11.2°C
7 Brownsville, Port Orchard Washington 11.2°C
8 Burton, Quartermaster Hbr. (inside), Vashon I. Washington 11.2°C
9 Bush Point, Whidbey Island, Admiralty Inlet, Washington Washington 11.2°C
10 Clam Bay, Rich Passage Washington 11.2°C
11 Des Moines, East Passage Washington 11.2°C
12 Duwamish Waterway, Eighth Ave. South Washington 11.2°C
13 Eagle Harbor, Bainbridge Island Washington 11.2°C
14 Foulweather Bluff Washington 11.2°C
15 Gardiner, Discovery Bay, Strait of Juan de Fuca, Washington Washington 11.2°C
16 Glendale, Whidbey Island, Washington Washington 11.2°C
17 Greenbank, Whidbey Island Washington 11.2°C
18 Harper, Yukon Harbor Washington 11.2°C
19 Holly Farms Harbor, Holmes Harbor, Whidbey I., Washington Washington 11.2°C
20 Kayak Point, Washington Washington 11.2°C
21 Kingston, Appletree Cove Washington 11.2°C
22 Lockheed Shipyard, Harbor Island Washington 11.2°C
23 Marrowstone Point, Admiralty Inlet, Washington Washington 11.2°C
24 Marysville, Quilceda Creek, Washington Washington 11.2°C
25 Meadow Point, Shilshole Bay Washington 11.2°C
Show 25 more ▸
26 Mystery Bay, Marrowstone Island, Admiralty Inlet, Washington Washington 11.2°C
27 Oak Bay, Washington Washington 11.2°C
28 Point Partridge, Whidbey Island, Strait of Juan de Fuca, Washington Washington 11.2°C
29 Point Vashon, Vashon Island Washington 11.2°C
30 Port Blakely Washington 11.2°C
31 Port Jefferson Washington 11.2°C
32 Port Madison Washington 11.2°C
33 Port Townsend (Point Hudson), Washington Washington 11.2°C
34 Priest Point Washington 11.2°C
35 Sandy Point, Whidbey Island, Washington Washington 11.2°C
36 Seattle, Puget Sound Washington 11.2°C
37 Spee-Bi-Dah Washington 11.2°C
38 Stanwood, Stillaguamish River, Washington Washington 11.2°C
39 Tracyton, Dyes Inlet Washington 11.2°C
40 Tulalip, Tulalip Bay Washington 11.2°C
41 Tulare Beach, Port Susan Washington 11.2°C
42 Dungeness, Strait of Juan de Fuca, Washington Washington 11.1°C
43 Sequim Bay entrance, Strait of Juan de Fuca, Washington Washington 11.1°C
44 Port Angeles Washington 11.0°C
45 Ediz Hook, Port Angeles, Strait of Juan de Fuca, Washington Washington 10.8°C
46 Port Angeles, Strait Of Juan De Fuca Washington 10.8°C
47 Sekiu, Clallam Bay, Strait of Juan de Fuca Washington 10.7°C
48 Jim Creek Washington 10.5°C
49 Crescent Bay, Strait of Juan de Fuca, Washington Washington 10.5°C
50 Twin Rivers, Strait of Juan de Fuca, Washington Washington 10.4°C

Warmest 10 in Washington in July

Same data flipped. The warmest spots in the state for this month.

# Location July mean
1 Point Roberts Washington 16.8°C
2 Anacortes Washington 15.6°C
3 Bellingham Washington 15.6°C
4 Birch Bay Washington 15.6°C
5 Blaine Washington 15.6°C
6 Eastsound Washington 15.6°C
7 Lopez Island Washington 15.6°C
8 Marietta Washington 15.6°C
9 Olga Washington 15.6°C
10 Orcas Island Washington 15.6°C

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