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Warmest beach in Florida

819 coastal locations in Florida ranked by year-round average sea temperature. The state-wide average is 25.4°C. The peak month is August at 30.1°C. Click any beach for its 30-day chart and 10-year history.

Warmest year-round

Boynton Beach, Lake Worth

27.7°C annual mean

State-wide average

25.4°C

across 819 Florida coastal locations

Warmest month

August

30.1°C state-wide average

What the water feels like at peak 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.

Florida monthly average 20.1°C to 30.1°C
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  • Warmest month August 30.1°C
  • Coldest month January 20.1°C
  • Annual mean 25.4°C
  • Months above 20°C 12 of 12

Month by month around the Florida coast

Florida sea temperatures swing from 20.1°C in January to 30.1°C in August on average across the coast. That's a spread of 10°C. Pick a single month for a focused ranking:

Florida sea temperature map

Today's pin colours show the latest daily reading at every Florida beach we track. Drag and zoom; click any pin for that beach's full page.

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 beaches in Florida

Sorted by year-round average. Click any beach for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Boynton Beach, Lake Worth Florida 27.7°C
2 Lake Worth ICW Florida 27.7°C
3 Lake Worth (ICWW) Florida 27.7°C
4 Lake Worth Pier, Florida 27.7°C
5 Palm Beach, Highway 704 bridge, Lake Worth, Florida Florida 27.7°C
6 Palm Beach, Lake Worth, Florida Florida 27.7°C
7 West Palm Beach Canal, Lake Worth, Florida Florida 27.7°C
8 Boynton Beach Florida 27.7°C
9 Briny Breezes Florida 27.7°C
10 Hypoluxo Florida 27.7°C
11 Lake Worth Florida 27.7°C
12 Lantana Florida 27.7°C
13 Manalapan Florida 27.7°C
14 Mar-a-Lago Florida 27.7°C
15 Ocean Ridge Florida 27.7°C
16 South Palm Beach Florida 27.7°C
17 West Palm Beach Florida 27.7°C
18 Carysfort Reef, Florida Florida 27.6°C
19 Key Largo Florida 27.6°C
20 Molasses Reef Florida 27.6°C
21 Pennekamp Florida 27.6°C
22 Rodriguez Key Florida 27.6°C
23 Adams Key, south end, Biscayne Bay, Florida Florida 27.5°C
24 Billys Point, south of, Elliott Key, Biscayne Bay, Florida Florida 27.5°C
25 Christmas Point, Elliott Key, Florida Florida 27.5°C
Show 25 more ▸
26 Coon Point, Elliott Key, Biscayne Bay, Florida Florida 27.5°C
27 Elliott Key Harbor, Elliott Key, Biscayne Bay Florida 27.5°C
28 Sea Grape Point, Elliott Key, Florida Florida 27.5°C
29 Coral Gables Florida 27.5°C
30 Cutler Bay Florida 27.5°C
31 Cutler Florida 27.5°C
32 Elliott Key Florida 27.5°C
33 Palmetto Bay Florida 27.5°C
34 Pinecrest Florida 27.5°C
35 Boca Chita Key Florida 27.5°C
36 Coral Shoal, Biscayne Channel, Florida Florida 27.5°C
37 Cutler, Biscayne Bay Florida 27.5°C
38 Dinner Key Marina, Biscayne Bay, Florida Florida 27.5°C
39 Ragged Key No. 5, Biscayne Bay Florida 27.5°C
40 Ragged Keys, Biscayne Bay, Florida Florida 27.5°C
41 Sands Key, northwest point, Biscayne Bay, Florida Florida 27.5°C
42 Soldier Key, Florida Florida 27.5°C
43 Virginia Key, Bear Cut, Biscayne Bay Florida 27.5°C
44 Bahia Mar Yacht Club, Fort Lauderdale, Florida Florida 27.4°C
45 Bakers Haulover Inlet (inside), Florida Florida 27.4°C
46 Bay Harbor Islands Florida 27.4°C
47 Biscayne Bay Florida 27.4°C
48 Biscayne Creek, ICWW, Florida Florida 27.4°C
49 Boca Raton, Lake Boca Raton Florida 27.4°C
50 Coconut Grove Florida 27.4°C

Coldest 10 in Florida

Same data, sorted the other way.

# Location Annual mean
1 Kings Ferry, St. Marys River, Florida Florida 22.0°C
2 Amelia Island Florida 22.1°C
3 American Beach Florida 22.1°C
4 Fernandina Beach Florida 22.1°C
5 Franklintown Florida 22.1°C
6 Amelia City, South Amelia River, Florida Florida 22.2°C
7 Boggy Creek, 2 mi. above entrance, Nassau River, Florida Florida 22.2°C
8 Chester, Bells River Florida 22.2°C
9 Crandall, St. Marys River Florida 22.2°C
10 Cuno, Lofton Creek, Nassau River, Florida Florida 22.2°C

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