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Coldest beach in Louisiana in July

82 coastal locations in Louisiana ranked by their typical July sea temperature. State-wide average in July: 30.3°C.

Coldest in July

Comfort Island, Louisiana

30.1°C

State July average

30.3°C

across 82 coastal locations in Louisiana

Vs annual mean

+6.6°C

above the year-round state average

What the Louisiana water feels like in July

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 July fits in the year

July 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 July 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 July

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

# Location July mean
1 Eugene Island, Atchafalaya Bay Louisiana 30.3°C
2 Eugene Island, north of Louisiana 30.3°C
3 Lafitte, Barataria Waterway Louisiana 30.3°C
4 Lawma, Amerada Pass Louisiana 30.3°C
5 Point Au Fer, Atchafalaya Bay, Louisiana Louisiana 30.3°C
6 Rabbit Island, 5 miles south of, Atchafalaya Bay, Louisiana Louisiana 30.3°C
7 Shell Island, Atchafalaya Bay, Louisiana Louisiana 30.3°C
8 South Point, Marsh Island, Atchafalaya Bay, Louisiana Louisiana 30.3°C
9 Stouts Pass At Six Mile Lake Louisiana 30.3°C
10 Joseph Bayou, Mississippi River, Louisiana Louisiana 30.3°C
11 Lake Charles, Calcasieu River Louisiana 30.3°C
12 Lighthouse Point, Atchafalaya Bay, Louisiana Louisiana 30.3°C
13 Lighthouse Point Louisiana 30.3°C
14 Mermentau River entrance, Louisiana Louisiana 30.3°C
15 Pilottown Louisiana 30.3°C
16 Southwest Pass, Vermilion Bay, Louisiana Louisiana 30.3°C
17 Bayou BonFouca, Route 433, Louisiana Louisiana 30.3°C
18 Chef Menteur, Chef Menteur Pass, Louisiana Louisiana 30.3°C
19 Cypremort Point Louisiana 30.3°C
20 Martello Castle, Lake Borgne Louisiana 30.3°C
21 University of New Orleans vicinity, Chef Menteur Pass Louisiana 30.3°C
22 Weeks Bay, Vermilion Bay, Louisiana (sub) Louisiana 30.3°C
23 Weeks Bay Louisiana 30.3°C
24 Cote Blanche Island, West Cote Blanche Bay, Louisiana Louisiana 30.3°C
25 Point Chevreuil, Atchafalaya Bay, Louisiana Louisiana 30.3°C
Show 25 more ▸
26 Ship Shoal Light, Louisiana Louisiana 30.3°C
27 Bulk Terminal Louisiana 30.3°C
28 Calcasieu Pass, East Jetty Louisiana 30.3°C
29 Calcasieu Pass, Lighthouse Wharf, Louisiana Louisiana 30.3°C
30 Freshwater Canal Locks Louisiana 30.3°C
31 Pilot Station, Southwest Pass Louisiana 30.3°C
32 Pilots Station (east), Southwest Pass Louisiana 30.3°C
33 Southwest Pass, Mississippi River, Louisiana Louisiana 30.3°C
34 Jack Bay, Louisiana Louisiana 30.2°C
35 Olga Compressor Station, Grand Bay Louisiana 30.2°C
36 Venice, Grand Pass Louisiana 30.2°C
37 Devon Energy Facility Louisiana 30.2°C
38 Lonesome Bayou (Thomasin), Louisiana Louisiana 30.2°C
39 North Pass, Mississippi River, Louisiana Louisiana 30.2°C
40 Port Eads, South Pass, Mississippi River, Louisiana Louisiana 30.2°C
41 Port Eads Louisiana 30.2°C
42 Southeast Pass, Mississippi River, Louisiana Louisiana 30.2°C
43 South Pass Louisiana 30.2°C
44 Bay Gardene, Louisiana Louisiana 30.2°C
45 Breton Islands, Louisiana Louisiana 30.2°C
46 Chandeleur Light, Louisiana Louisiana 30.2°C
47 Grand Pass Louisiana 30.2°C
48 Comfort Island, Louisiana Louisiana 30.1°C
49 The Rigolets, U.S. Highway 90 Louisiana 30.1°C
50 Shell Beach, Lake Borgne Louisiana 30.1°C

Warmest 10 in Louisiana in July

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

# Location July mean
1 Barataria Pass, Louisiana Louisiana 30.4°C
2 Bayou Rigaud, Grand Isle, Barataria Bay, Louisiana Louisiana 30.4°C
3 Grand Isle River Delta (2) Louisiana 30.4°C
4 Grand Isle River Delta Louisiana 30.4°C
5 Independence Island, Barataria Bay, Louisiana Louisiana 30.4°C
6 Manilla, Barataria Bay, Louisiana Louisiana 30.4°C
7 Mendicant Island, Barataria Bay Louisiana 30.4°C
8 Quatre Bayous Pass, Louisiana Louisiana 30.4°C
9 Caminada Pass (bridge) Louisiana 30.4°C
10 Leeville, Bayou Lafourche Louisiana 30.4°C

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