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Coldest beach in Louisiana in January

82 coastal locations in Louisiana ranked by their typical January sea temperature. State-wide average in January: 15.6°C.

Coldest in January

Bayou BonFouca, Route 433, Louisiana

12.3°C

State January average

15.6°C

across 82 coastal locations in Louisiana

Vs annual mean

-8.0°C

below the year-round state average

What the Louisiana water feels like in January

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 January fits in the year

January 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 January 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 Louisiana beaches in January

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

# Location January mean
1 Cocodrie, Terrebonne Bay Louisiana 16.6°C
2 East Isle Dernière, Lake Pelto Louisiana 16.6°C
3 Timbalier Island, Timbalier Bay, Louisiana Louisiana 16.6°C
4 Breton Islands, Louisiana Louisiana 16.1°C
5 Caillou Boca, Louisiana Louisiana 15.9°C
6 Raccoon Point, Caillou Bay, Louisiana Louisiana 15.9°C
7 Texas Gas Platform, Caillou Bay Louisiana 15.9°C
8 Freshwater Canal Locks Louisiana 15.7°C
9 Bulk Terminal Louisiana 15.2°C
10 Calcasieu Pass, East Jetty Louisiana 15.2°C
11 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 15.2°C
12 Lake Charles, Calcasieu River Louisiana 15.2°C
13 Mermentau River entrance, Louisiana Louisiana 15.2°C
14 Cameron Louisiana 15.1°C
15 Holly Beach Louisiana 15.1°C
16 Chandeleur Light, Louisiana Louisiana 14.9°C
17 Jack Bay, Louisiana Louisiana 14.9°C
18 Olga Compressor Station, Grand Bay Louisiana 14.9°C
19 Venice, Grand Pass Louisiana 14.9°C
20 South Point, Marsh Island, Atchafalaya Bay, Louisiana Louisiana 14.3°C
21 Eugene Island, Atchafalaya Bay Louisiana 13.9°C
22 Eugene Island, north of Louisiana 13.9°C
23 Lawma, Amerada Pass Louisiana 13.9°C
24 Point Au Fer, Atchafalaya Bay, Louisiana Louisiana 13.9°C
25 Shell Island, Atchafalaya Bay, Louisiana Louisiana 13.9°C
Show 25 more ▸
26 Stouts Pass At Six Mile Lake Louisiana 13.9°C
27 Tesoro Marine Term., Atchafalaya River Louisiana 13.9°C
28 Rabbit Island, 5 miles south of, Atchafalaya Bay, Louisiana Louisiana 13.9°C
29 Grand Pass Louisiana 13.8°C
30 Bay Gardene, Louisiana Louisiana 13.7°C
31 Lighthouse Point, Atchafalaya Bay, Louisiana Louisiana 13.6°C
32 Lighthouse Point Louisiana 13.6°C
33 Southwest Pass, Vermilion Bay, Louisiana Louisiana 13.6°C
34 Cypremort Point Louisiana 13.4°C
35 Weeks Bay, Vermilion Bay, Louisiana (sub) Louisiana 13.4°C
36 Weeks Bay Louisiana 13.4°C
37 Cote Blanche Island, West Cote Blanche Bay, Louisiana Louisiana 13.3°C
38 Point Chevreuil, Atchafalaya Bay, Louisiana Louisiana 13.3°C
39 Comfort Island, Louisiana Louisiana 13.0°C
40 The Rigolets, U.S. Highway 90 Louisiana 13.0°C
41 Shell Beach, Lake Borgne Louisiana 13.0°C
42 West Bank 1, Bayou Gauche Louisiana 12.8°C
43 Lafitte, Barataria Waterway Louisiana 12.6°C
44 Baton Rouge Louisiana 12.6°C
45 Mandeville Louisiana 12.4°C
46 New Orleans Louisiana 12.4°C
47 Bayou BonFouca, Route 433, Louisiana Louisiana 12.3°C
48 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 12.3°C
49 Martello Castle, Lake Borgne Louisiana 12.3°C
50 University of New Orleans vicinity, Chef Menteur Pass Louisiana 12.3°C

Warmest 10 in Louisiana in January

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

# Location January mean
1 South Pass Louisiana 20.4°C
2 Pilot Station, Southwest Pass Louisiana 19.6°C
3 Pilots Station (east), Southwest Pass Louisiana 19.6°C
4 Southwest Pass, Mississippi River, Louisiana Louisiana 19.6°C
5 Grand Isle Louisiana 19.1°C
6 Devon Energy Facility Louisiana 18.3°C
7 Lonesome Bayou (Thomasin), Louisiana Louisiana 18.3°C
8 North Pass, Mississippi River, Louisiana Louisiana 18.3°C
9 Port Eads, South Pass, Mississippi River, Louisiana Louisiana 18.3°C
10 Port Eads Louisiana 18.3°C

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