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Warmest beach in Louisiana in December

82 coastal locations in Louisiana ranked by their typical December sea temperature. State-wide average in December: 17.8°C.

Warmest in December

South Pass

21.8°C

State December average

17.8°C

across 82 coastal locations in Louisiana

Vs annual mean

-5.9°C

below the year-round state average

What the Louisiana water feels like in December

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Louisiana monthly average 15.6°C to 30.7°C
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  • Warmest month August 30.7°C
  • Coldest month January 15.6°C
  • Annual mean 23.7°C
  • Months above 20°C 8 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.

Louisiana sea temperature map (live)

Today's reading at every Louisiana 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 Louisiana beaches in December

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

# Location December mean
1 South Pass Louisiana 21.8°C
2 Pilot Station, Southwest Pass Louisiana 21.1°C
3 Pilots Station (east), Southwest Pass Louisiana 21.1°C
4 Southwest Pass, Mississippi River, Louisiana Louisiana 21.1°C
5 Grand Isle Louisiana 21.0°C
6 Devon Energy Facility Louisiana 20.0°C
7 Lonesome Bayou (Thomasin), Louisiana Louisiana 20.0°C
8 North Pass, Mississippi River, Louisiana Louisiana 20.0°C
9 Port Eads, South Pass, Mississippi River, Louisiana Louisiana 20.0°C
10 Port Eads Louisiana 20.0°C
11 Southeast Pass, Mississippi River, Louisiana Louisiana 20.0°C
12 Caminada Pass (bridge) Louisiana 19.8°C
13 Leeville, Bayou Lafourche Louisiana 19.8°C
14 Port Fourchon, Belle Pass Louisiana 19.8°C
15 Texaco Dock, Hackberry Bay Louisiana 19.8°C
16 Barataria Pass, Louisiana Louisiana 19.8°C
17 Bayou Rigaud, Grand Isle, Barataria Bay, Louisiana Louisiana 19.8°C
18 Grand Isle River Delta (2) Louisiana 19.8°C
19 Grand Isle River Delta Louisiana 19.8°C
20 Independence Island, Barataria Bay, Louisiana Louisiana 19.8°C
21 Manilla, Barataria Bay, Louisiana Louisiana 19.8°C
22 Mendicant Island, Barataria Bay Louisiana 19.8°C
23 Quatre Bayous Pass, Louisiana Louisiana 19.8°C
24 East Timbalier Island, Timbalier Bay Louisiana 19.5°C
25 Golden Meadow, Plaisance Canal Louisiana 19.5°C
Show 25 more ▸
26 Pelican Islands, Timbalier Bay, Louisiana Louisiana 19.5°C
27 Bastian Island, Louisiana Louisiana 19.5°C
28 Empire Jetty, Louisiana Louisiana 19.5°C
29 Ship Shoal Light, Louisiana Louisiana 19.3°C
30 Joseph Bayou, Mississippi River, Louisiana Louisiana 19.1°C
31 Pilottown Louisiana 19.1°C
32 Cocodrie, Terrebonne Bay Louisiana 18.8°C
33 East Isle Dernière, Lake Pelto Louisiana 18.8°C
34 Timbalier Island, Timbalier Bay, Louisiana Louisiana 18.8°C
35 Wine Island, Terrebonne Bay, Louisiana Louisiana 18.8°C
36 Breton Islands, Louisiana Louisiana 18.1°C
37 Caillou Boca, Louisiana Louisiana 18.1°C
38 Raccoon Point, Caillou Bay, Louisiana Louisiana 18.1°C
39 Texas Gas Platform, Caillou Bay Louisiana 18.1°C
40 Freshwater Canal Locks Louisiana 17.9°C
41 Bulk Terminal Louisiana 17.6°C
42 Calcasieu Pass, East Jetty Louisiana 17.6°C
43 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 17.6°C
44 Lake Charles, Calcasieu River Louisiana 17.6°C
45 Mermentau River entrance, Louisiana Louisiana 17.6°C
46 Cameron Louisiana 17.5°C
47 Holly Beach Louisiana 17.5°C
48 Jack Bay, Louisiana Louisiana 17.2°C
49 Olga Compressor Station, Grand Bay Louisiana 17.2°C
50 Venice, Grand Pass Louisiana 17.2°C

Coldest 10 in Louisiana in December

Same data the other way.

# Location December mean
1 Mandeville Louisiana 14.9°C
2 New Orleans Louisiana 14.9°C
3 Baton Rouge Louisiana 14.9°C
4 Bayou BonFouca, Route 433, Louisiana Louisiana 15.0°C
5 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 15.0°C
6 Martello Castle, Lake Borgne Louisiana 15.0°C
7 University of New Orleans vicinity, Chef Menteur Pass Louisiana 15.0°C
8 West Bank 1, Bayou Gauche Louisiana 15.3°C
9 Lafitte, Barataria Waterway Louisiana 15.3°C
10 Comfort Island, Louisiana Louisiana 15.5°C

Other US states

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