Skip to content
seatemperatures.net

Coldest beach in Florida

819 coastal locations in Florida ranked by year-round average sea temperature, coldest first. The state-wide average is 25.4°C. The coldest month is January at 20.1°C. Click any beach for its 30-day chart and 10-year history.

Coldest year-round

Kings Ferry, St. Marys River, Florida

22.0°C annual mean

State-wide average

25.4°C

across 819 Florida coastal locations

Coldest month

January

20.1°C state-wide average

What the water feels like in January

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Florida monthly average 20.1°C to 30.1°C
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 coldest 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 I-295 Bridge (west end), St. Johns River Florida 22.3°C
2 Atlantic Beach, Florida Florida 22.3°C
3 Bar Pilot Dock, St. Johns River Florida 22.3°C
4 Black Creek, S.C.L. RR. bridge Florida 22.3°C
5 Blount Island Bridge, Florida Florida 22.3°C
6 Cedar Heights, Broward River Florida 22.3°C
7 Clapboard Creek, Pelotes Island Florida 22.3°C
8 Dame Point, St. Johns River Florida 22.3°C
9 Degaussing structure, Mayport Naval Station Florida 22.3°C
10 Fort George Island, Fort George River, Florida Florida 22.3°C
11 Fulton, Florida Florida 22.3°C
12 Jacksonville, Long Branch Florida 22.3°C
13 Jacksonville, Navy Fuel Depot, Florida Florida 22.3°C
14 Julington Creek, Florida Florida 22.3°C
15 Lake Forest, Ribault River, Trout River, Florida Florida 22.3°C
16 Little Pottsburg Creek, Florida Florida 22.3°C
17 Little Talbot Island, ocean, Florida Florida 22.3°C
18 Main Street Bridge, St. Johns River Florida 22.3°C
19 Mayport, St. Johns River Florida 22.3°C
20 Moncrief Creek entrance, Trout River, Florida Florida 22.3°C
21 Atlantic Beach Florida 22.2°C
22 Jacksonville Beach Florida 22.2°C
23 Mayport Florida 22.2°C
24 Neptune Beach Florida 22.2°C
25 Amelia City, South Amelia River, Florida Florida 22.2°C
Show 25 more ▸
26 Boggy Creek, 2 mi. above entrance, Nassau River, Florida Florida 22.2°C
27 Chester, Bells River Florida 22.2°C
28 Crandall, St. Marys River Florida 22.2°C
29 Cuno, Lofton Creek, Nassau River, Florida Florida 22.2°C
30 Cut 1N front range, St. Marys River Florida 22.2°C
31 Cut 2N front range, St. Marys River Florida 22.2°C
32 Edwards Creek, Nassau River Florida 22.2°C
33 Halfmoon Island, highway bridge, Nassau River, Florida Florida 22.2°C
34 Kingsley Creek, RR. bridge, Florida Florida 22.2°C
35 Little St. Marys River, St. Marys River, Florida Florida 22.2°C
36 Lofton, Lanceford Creek Florida 22.2°C
37 Mink Creek entrance, Nassau River, Florida Florida 22.2°C
38 Nassau River entrance, Florida Florida 22.2°C
39 Nassauville, Nassau River East Florida 22.2°C
40 Roses Bluff, Bells River, Florida Florida 22.2°C
41 Sawpit Creek, 1 mi. above entrance, Florida Florida 22.2°C
42 Sawpit Creek entrance, bridge, Florida Florida 22.2°C
43 St. Marys Entrance, North Jetty, Georgia Florida 22.2°C
44 Tiger Point, Pumpkin Hill Creek, Nassau River, Florida Florida 22.2°C
45 Vaughns Landing Florida 22.2°C
46 Amelia Island Florida 22.1°C
47 American Beach Florida 22.1°C
48 Fernandina Beach Florida 22.1°C
49 Franklintown Florida 22.1°C
50 Kings Ferry, St. Marys River, Florida Florida 22.0°C

Warmest 10 in Florida for contrast

Same data flipped. The warmest year-round spots in the state.

# 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

Other US states

Related rankings