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Coldest beach in Washington in December

187 coastal locations in Washington ranked by their typical December sea temperature. State-wide average in December: 8.9°C.

Coldest in December

Point Roberts

8.0°C

State December average

8.9°C

across 187 coastal locations in Washington

Vs annual mean

-1.4°C

below the year-round state average

What the Washington water feels like in December

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

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 December fits in the year

December 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 December 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 December

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

# Location December mean
1 Admiralty Head, Admiralty Inlet, Washington Washington 8.8°C
2 Ala Spit, Whidbey Island, Washington Washington 8.8°C
3 Twin Rivers, Strait of Juan de Fuca, Washington Washington 8.8°C
4 Crescent Bay, Strait of Juan de Fuca, Washington Washington 8.8°C
5 Union Washington 8.8°C
6 Dungeness, Strait of Juan de Fuca, Washington Washington 8.8°C
7 Port Angeles Washington 8.8°C
8 Sequim Bay entrance, Strait of Juan de Fuca, Washington Washington 8.8°C
9 Ediz Hook, Port Angeles, Strait of Juan de Fuca, Washington Washington 8.8°C
10 Port Angeles, Strait Of Juan De Fuca Washington 8.8°C
11 Kanaka Bay, San Juan Island, Haro Strait Washington 8.8°C
12 Friday Harbor, San Juan Island, San Juan Channel Washington 8.6°C
13 Hanbury Point, Mosquito Pass, San Juan I., Haro Strait Washington 8.6°C
14 Roche Harbor, San Juan Island, Haro Strait, Washington Washington 8.6°C
15 Turn Point, Stuart Island, Washington Washington 8.6°C
16 Waldron Island, Haro Strait Washington 8.6°C
17 Anacortes, Guemes Channel, Washington Washington 8.3°C
18 Armitage Island, Thatcher Pass Washington 8.3°C
19 Bellingham, Bellingham Bay, Washington Washington 8.3°C
20 Cherry Point, Strait of Georgia Washington 8.3°C
21 Chuckanut Bay, Bellingham Bay, Washington Washington 8.3°C
22 Drayton Harbor, Blaine, Strait of Georgia Washington 8.3°C
23 Eagle Harbor, Cypress Island, Washington Washington 8.3°C
24 Echo Bay, Sucia Islands, Strait of Georgia, Washington Washington 8.3°C
25 Ferndale, Strait of Georgia, Washington Washington 8.3°C
Show 25 more ▸
26 Gooseberry Point, Hale Passage, Washington Washington 8.3°C
27 Orcas, Orcas Island, Washington Washington 8.3°C
28 Patos Island Wharf, Boundary Pass, Washington Washington 8.3°C
29 Peavine Pass, Washington Washington 8.3°C
30 Point Migley, Hale Passage, Washington Washington 8.3°C
31 Sandy Point, Lummi Bay, Washington Washington 8.3°C
32 Shaw Island, Ferry Terminal, Harney Channel, San Juan Channel, Washington Washington 8.3°C
33 Ship Harbor, Fidalgo Island, Washington Washington 8.3°C
34 Strawberry Bay, Cypress Island, Washington Washington 8.3°C
35 Tide Point, Cypress Island, Washington Washington 8.3°C
36 Upright Head, Lopez Island Washington 8.3°C
37 Village Point, Lummi Island Washington 8.3°C
38 Point Roberts, Strait of Georgia Washington 8.3°C
39 Anacortes Washington 8.2°C
40 Bellingham Washington 8.2°C
41 Birch Bay Washington 8.2°C
42 Blaine Washington 8.2°C
43 Eastsound Washington 8.2°C
44 Lopez Island Washington 8.2°C
45 Marietta Washington 8.2°C
46 Olga Washington 8.2°C
47 Orcas Island Washington 8.2°C
48 Friday Harbor Washington 8.2°C
49 San Juan Islands Washington 8.2°C
50 Point Roberts Washington 8.0°C

Warmest 10 in Washington in December

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

# Location December mean
1 Columbia River entrance (N. Jetty), Washington Washington 10.0°C
2 Fort Canby, Jetty 'A', Washington Washington 10.0°C
3 Ilwaco, Baker Bay, Washington Washington 10.0°C
4 Cape Disappointment Washington 9.9°C
5 James Island, Washington Washington 9.8°C
6 Point Grenville, Washington Washington 9.8°C
7 Taholah Washington 9.8°C
8 La Push Washington 9.8°C
9 Bay Center, Palix River, Willapa Bay, Washington Washington 9.8°C
10 Long Beach Washington 9.8°C

Other US states

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