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Coldest beach in Louisiana in August

82 coastal locations in Louisiana ranked by their typical August sea temperature. State-wide average in August: 30.7°C.

Coldest in August

Chandeleur Light, Louisiana

30.5°C

State August average

30.7°C

across 82 coastal locations in Louisiana

Vs annual mean

+7.0°C

above the year-round state average

What the Louisiana water feels like in August

Water at this temperature is very warm and you should look to bathe only. Avoid any kind of strenuous swimming as there is a real risk of heat stroke at this temperature.

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 August fits in the year

August 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 August 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 August

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

# Location August mean
1 Barataria Pass, Louisiana Louisiana 30.7°C
2 Bayou Rigaud, Grand Isle, Barataria Bay, Louisiana Louisiana 30.7°C
3 Grand Isle River Delta (2) Louisiana 30.7°C
4 Bastian Island, Louisiana Louisiana 30.7°C
5 Empire Jetty, Louisiana Louisiana 30.7°C
6 Bayou BonFouca, Route 433, Louisiana Louisiana 30.7°C
7 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 30.7°C
8 Lake Charles, Calcasieu River Louisiana 30.7°C
9 Lighthouse Point, Atchafalaya Bay, Louisiana Louisiana 30.7°C
10 Lighthouse Point Louisiana 30.7°C
11 Martello Castle, Lake Borgne Louisiana 30.7°C
12 Mermentau River entrance, Louisiana Louisiana 30.7°C
13 Southwest Pass, Vermilion Bay, Louisiana Louisiana 30.7°C
14 University of New Orleans vicinity, Chef Menteur Pass Louisiana 30.7°C
15 Bulk Terminal Louisiana 30.7°C
16 Calcasieu Pass, East Jetty Louisiana 30.7°C
17 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 30.7°C
18 Jack Bay, Louisiana Louisiana 30.7°C
19 Joseph Bayou, Mississippi River, Louisiana Louisiana 30.7°C
20 Olga Compressor Station, Grand Bay Louisiana 30.7°C
21 Pilottown Louisiana 30.7°C
22 Venice, Grand Pass Louisiana 30.7°C
23 Cypremort Point Louisiana 30.6°C
24 Weeks Bay, Vermilion Bay, Louisiana (sub) Louisiana 30.6°C
25 Weeks Bay Louisiana 30.6°C
Show 25 more ▸
26 Bay Gardene, Louisiana Louisiana 30.6°C
27 Cote Blanche Island, West Cote Blanche Bay, Louisiana Louisiana 30.6°C
28 Point Chevreuil, Atchafalaya Bay, Louisiana Louisiana 30.6°C
29 Pilot Station, Southwest Pass Louisiana 30.6°C
30 Pilots Station (east), Southwest Pass Louisiana 30.6°C
31 Southwest Pass, Mississippi River, Louisiana Louisiana 30.6°C
32 Breton Islands, Louisiana Louisiana 30.6°C
33 Devon Energy Facility Louisiana 30.6°C
34 Lonesome Bayou (Thomasin), Louisiana Louisiana 30.6°C
35 North Pass, Mississippi River, Louisiana Louisiana 30.6°C
36 Port Eads, South Pass, Mississippi River, Louisiana Louisiana 30.6°C
37 Port Eads Louisiana 30.6°C
38 Southeast Pass, Mississippi River, Louisiana Louisiana 30.6°C
39 South Pass Louisiana 30.6°C
40 Comfort Island, Louisiana Louisiana 30.5°C
41 The Rigolets, U.S. Highway 90 Louisiana 30.5°C
42 Shell Beach, Lake Borgne Louisiana 30.5°C
43 Baton Rouge Louisiana 30.5°C
44 Cameron Louisiana 30.5°C
45 Grand Pass Louisiana 30.5°C
46 Holly Beach Louisiana 30.5°C
47 Grand Isle Louisiana 30.5°C
48 Chandeleur Light, Louisiana Louisiana 30.5°C
49 Mandeville Louisiana 30.5°C
50 New Orleans Louisiana 30.5°C

Warmest 10 in Louisiana in August

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

# Location August mean
1 Caillou Boca, Louisiana Louisiana 30.8°C
2 Raccoon Point, Caillou Bay, Louisiana Louisiana 30.8°C
3 Texas Gas Platform, Caillou Bay Louisiana 30.8°C
4 Cocodrie, Terrebonne Bay Louisiana 30.8°C
5 East Isle Dernière, Lake Pelto Louisiana 30.8°C
6 Timbalier Island, Timbalier Bay, Louisiana Louisiana 30.8°C
7 Wine Island, Terrebonne Bay, Louisiana Louisiana 30.8°C
8 Ship Shoal Light, Louisiana Louisiana 30.8°C
9 East Timbalier Island, Timbalier Bay Louisiana 30.8°C
10 Golden Meadow, Plaisance Canal Louisiana 30.8°C

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