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Coldest beach in Louisiana in March

82 coastal locations in Louisiana ranked by their typical March sea temperature. State-wide average in March: 19.7°C.

Coldest in March

Baton Rouge

18.1°C

State March average

19.7°C

across 82 coastal locations in Louisiana

Vs annual mean

-4.0°C

below the year-round state average

What the Louisiana water feels like in March

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 March fits in the year

March 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 March 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 March

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

# Location March mean
1 Devon Energy Facility Louisiana 20.1°C
2 Lonesome Bayou (Thomasin), Louisiana Louisiana 20.1°C
3 Bastian Island, Louisiana Louisiana 19.9°C
4 Empire Jetty, Louisiana Louisiana 19.9°C
5 Joseph Bayou, Mississippi River, Louisiana Louisiana 19.6°C
6 Pilottown Louisiana 19.6°C
7 Freshwater Canal Locks Louisiana 19.6°C
8 Eugene Island, Atchafalaya Bay Louisiana 19.4°C
9 Eugene Island, north of Louisiana 19.4°C
10 Lawma, Amerada Pass Louisiana 19.4°C
11 Point Au Fer, Atchafalaya Bay, Louisiana Louisiana 19.4°C
12 Shell Island, Atchafalaya Bay, Louisiana Louisiana 19.4°C
13 South Point, Marsh Island, Atchafalaya Bay, Louisiana Louisiana 19.4°C
14 Stouts Pass At Six Mile Lake Louisiana 19.4°C
15 Tesoro Marine Term., Atchafalaya River Louisiana 19.4°C
16 Chandeleur Light, Louisiana Louisiana 19.4°C
17 Breton Islands, Louisiana Louisiana 19.4°C
18 Rabbit Island, 5 miles south of, Atchafalaya Bay, Louisiana Louisiana 19.3°C
19 Grand Pass Louisiana 19.3°C
20 Comfort Island, Louisiana Louisiana 19.3°C
21 The Rigolets, U.S. Highway 90 Louisiana 19.3°C
22 Shell Beach, Lake Borgne Louisiana 19.3°C
23 Lighthouse Point, Atchafalaya Bay, Louisiana Louisiana 19.3°C
24 Lighthouse Point Louisiana 19.3°C
25 Southwest Pass, Vermilion Bay, Louisiana Louisiana 19.3°C
Show 25 more ▸
26 Cameron Louisiana 19.2°C
27 Holly Beach Louisiana 19.2°C
28 Lake Charles, Calcasieu River Louisiana 19.1°C
29 Mermentau River entrance, Louisiana Louisiana 19.1°C
30 Cypremort Point Louisiana 19.1°C
31 Weeks Bay, Vermilion Bay, Louisiana (sub) Louisiana 19.1°C
32 Weeks Bay Louisiana 19.1°C
33 Bulk Terminal Louisiana 19.0°C
34 Calcasieu Pass, East Jetty Louisiana 19.0°C
35 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 19.0°C
36 Cote Blanche Island, West Cote Blanche Bay, Louisiana Louisiana 18.9°C
37 Point Chevreuil, Atchafalaya Bay, Louisiana Louisiana 18.9°C
38 Jack Bay, Louisiana Louisiana 18.9°C
39 Olga Compressor Station, Grand Bay Louisiana 18.9°C
40 Venice, Grand Pass Louisiana 18.9°C
41 Bay Gardene, Louisiana Louisiana 18.8°C
42 Bayou BonFouca, Route 433, Louisiana Louisiana 18.4°C
43 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 18.4°C
44 Martello Castle, Lake Borgne Louisiana 18.4°C
45 University of New Orleans vicinity, Chef Menteur Pass Louisiana 18.4°C
46 Lafitte, Barataria Waterway Louisiana 18.3°C
47 West Bank 1, Bayou Gauche Louisiana 18.2°C
48 Mandeville Louisiana 18.2°C
49 New Orleans Louisiana 18.2°C
50 Baton Rouge Louisiana 18.1°C

Warmest 10 in Louisiana in March

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

# Location March mean
1 South Pass Louisiana 21.3°C
2 Pilot Station, Southwest Pass Louisiana 20.9°C
3 Pilots Station (east), Southwest Pass Louisiana 20.9°C
4 Southwest Pass, Mississippi River, Louisiana Louisiana 20.9°C
5 Grand Isle Louisiana 20.8°C
6 East Timbalier Island, Timbalier Bay Louisiana 20.8°C
7 Golden Meadow, Plaisance Canal Louisiana 20.8°C
8 Pelican Islands, Timbalier Bay, Louisiana Louisiana 20.8°C
9 Cocodrie, Terrebonne Bay Louisiana 20.7°C
10 East Isle Dernière, Lake Pelto Louisiana 20.7°C

Other US states

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