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Warmest 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.

Warmest in December

Columbia River entrance (N. Jetty), Washington

10.0°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 warmest Washington beaches in December

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

# 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
11 Mailboat Slough, Willapa River, Willapa Bay, Washington Washington 9.8°C
12 Ocean Park Washington 9.8°C
13 Palix River, south fork, Willapa Bay, Washington Washington 9.8°C
14 Raymond, Willapa River, Willapa Bay, Washington Washington 9.8°C
15 South Bend, Willapa River, Willapa Bay Washington 9.8°C
16 Toke Point, Willapa Bay Washington 9.8°C
17 Destruction Island, Washington Washington 9.7°C
18 Tskawahyah Island, Cape Alava Washington 9.7°C
19 Aberdeen, Grays Harbor Washington 9.7°C
20 Bay City, South Bay, Grays Harbor, Washington Washington 9.7°C
21 Cosmopolis, Chehalis River, Grays Harbor, Washington Washington 9.7°C
22 Markham, Grays Harbor, Washington Washington 9.7°C
23 Montesano, Chehalis River, Grays Harbor, Washington Washington 9.7°C
24 Point Brown, Grays Harbor, Washington Washington 9.7°C
25 Westport, Point Chehalis, Grays Harbor Washington 9.7°C
Show 25 more ▸
26 Aberdeen Washington 9.7°C
27 Hoquiam Washington 9.7°C
28 Moclips Washington 9.7°C
29 Ocean City Washington 9.7°C
30 Ocean Shores Washington 9.7°C
31 Westport Washington 9.6°C
32 Makah Bay, Washington Washington 9.5°C
33 Neah Bay, Strait Of Juan De Fuca Washington 9.5°C
34 Tatoosh Island, Cape Flattery, Strait of Juan de Fuca, Washington Washington 9.5°C
35 Neah Bay Washington 9.4°C
36 Sekiu, Clallam Bay, Strait of Juan de Fuca Washington 9.1°C
37 Jim Creek Washington 8.9°C
38 Alki Beach Washington 8.9°C
39 Bainbridge Island Washington 8.9°C
40 Bellevue Washington 8.9°C
41 Bremerton Washington 8.9°C
42 Camano Washington 8.9°C
43 Carr Inlet Washington 8.9°C
44 Chico Washington 8.9°C
45 Clinton Washington 8.9°C
46 Coupeville Washington 8.9°C
47 Des Moines Washington 8.9°C
48 Discovery Bay Washington 8.9°C
49 Edmonds Washington 8.9°C
50 Enetai Washington 8.9°C

Coldest 10 in Washington in December

Same data the other way.

# Location December mean
1 Point Roberts Washington 8.0°C
2 Friday Harbor Washington 8.2°C
3 San Juan Islands Washington 8.2°C
4 Anacortes Washington 8.2°C
5 Bellingham Washington 8.2°C
6 Birch Bay Washington 8.2°C
7 Blaine Washington 8.2°C
8 Eastsound Washington 8.2°C
9 Lopez Island Washington 8.2°C
10 Marietta Washington 8.2°C

Other US states

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