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Warmest beach in California in December

404 coastal locations in California ranked by their typical December sea temperature. State-wide average in December: 13.7°C.

Warmest in December

Baby Beach

16.5°C

State December average

13.7°C

across 404 coastal locations in California

Vs annual mean

-0.8°C

below the year-round state average

What the California water feels like in December

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.

California monthly average 12.9°C to 16.9°C
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  • Warmest month September 16.9°C
  • Coldest month March 12.9°C
  • Annual mean 14.5°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.

California sea temperature map (live)

Today's reading at every California 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 California beaches in December

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

# Location December mean
1 Baby Beach California 16.5°C
2 Capistrano Beach California 16.5°C
3 Dana Point California 16.5°C
4 Doheny Beach California 16.5°C
5 Salt Creek Beach California 16.5°C
6 San Clemente California 16.5°C
7 San Onofre Beach California 16.5°C
8 Trestles Beach California 16.5°C
9 Big Bear Lake California 16.5°C
10 Laguna Niguel California 16.5°C
11 Lake Arrowhead California 16.5°C
12 Balboa Island California 16.5°C
13 Corona Del Mar California 16.5°C
14 Crystal Cove California 16.5°C
15 Huntington Beach California 16.5°C
16 Irvine California 16.5°C
17 Laguna Beach California 16.5°C
18 Newport Beach California 16.5°C
19 Orange County California 16.5°C
20 Bolsa Chica California 16.4°C
21 Havasu Lake (Colorado river) California 16.4°C
22 Seal Beach California 16.4°C
23 Sunset Beach California 16.4°C
24 San Clemente Island California 16.4°C
25 Cardiff California 16.4°C
Show 25 more ▸
26 Carlsbad California 16.4°C
27 Encinitas California 16.4°C
28 Moonlight Beach California 16.4°C
29 Oceanside California 16.4°C
30 Chula Vista California 16.3°C
31 Coronado California 16.3°C
32 Imperial Beach California 16.3°C
33 Ocean Beach San Diego California 16.3°C
34 Point Loma California 16.3°C
35 San Diego California 16.3°C
36 Black's Beach California 16.3°C
37 Del Mar California 16.3°C
38 Fontana California 16.3°C
39 La Jolla Cove California 16.3°C
40 La Jolla Shores California 16.3°C
41 La Jolla California 16.3°C
42 Mission Beach California 16.3°C
43 Scripps Pier California 16.3°C
44 Solana Beach California 16.3°C
45 Avalon, Santa Catalina Island California 16.3°C
46 Alamitos Bay California 16.3°C
47 Long Beach California 16.3°C
48 Wilson Cove, San Clemente Island California 16.3°C
49 Balboa Pier, Newport Beach California 16.3°C
50 Newport Beach, Newport Bay Entrance, Corona del Mar California 16.3°C

Coldest 10 in California in December

Same data the other way.

# Location December mean
1 Pyramid Point, Smith River California 11.3°C
2 Requa Dock California 11.3°C
3 Trinidad Harbor California 11.4°C
4 Crescent City California 11.4°C
5 Arcata Wharf, Humboldt Bay California 11.4°C
6 Bucksport, Humboldt Bay California 11.4°C
7 Elk River Railroad Bridge, Humboldt Bay California 11.4°C
8 Eureka, Humboldt Bay California 11.4°C
9 Eureka Slough Bridge, Humboldt Bay California 11.4°C
10 Fields Landing, Humboldt Bay California 11.4°C

Other US states

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