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Coldest beach in Florida in December

819 coastal locations in Florida ranked by their typical December sea temperature. State-wide average in December: 21.9°C.

Coldest in December

Saint Marks

16.0°C

State December average

21.9°C

across 819 coastal locations in Florida

Vs annual mean

-3.5°C

below the year-round state average

What the Florida water feels like in December

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
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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

Where December fits in the year

December sits inside the state pattern shown on the left. Browse a different month for a fresh ranking.

Florida sea temperature map (live)

Today's reading at every Florida beach we track. The list below uses the typical December 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 Florida beaches in December

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

# Location December mean
1 I-295 Bridge (west end), St. Johns River Florida 17.2°C
2 Steinhatchee Florida 17.2°C
3 Horseshoe Point Florida 17.2°C
4 Jacksonville Florida 17.2°C
5 Ponte Vedra Beach Florida 17.2°C
6 Sawgrass Florida 17.2°C
7 Fishermans Rest, Florida Florida 17.1°C
8 Fish Creek Florida 17.1°C
9 Apalachee Bay Florida 17.1°C
10 Cedar Key Florida 16.9°C
11 Suwannee River entrance, Florida Florida 16.9°C
12 Mandalay, Aucilla River, Apalachee Bay, Florida Florida 16.9°C
13 Rock Islands, Florida Florida 16.9°C
14 Amelia City, South Amelia River, Florida Florida 16.8°C
15 Boggy Creek, 2 mi. above entrance, Nassau River, Florida Florida 16.8°C
16 Chester, Bells River Florida 16.8°C
17 Crandall, St. Marys River Florida 16.8°C
18 Cuno, Lofton Creek, Nassau River, Florida Florida 16.8°C
19 Cut 1N front range, St. Marys River Florida 16.8°C
20 Cut 2N front range, St. Marys River Florida 16.8°C
21 Edwards Creek, Nassau River Florida 16.8°C
22 Halfmoon Island, highway bridge, Nassau River, Florida Florida 16.8°C
23 Kingsley Creek, RR. bridge, Florida Florida 16.8°C
24 Little St. Marys River, St. Marys River, Florida Florida 16.8°C
25 Lofton, Lanceford Creek Florida 16.8°C
Show 25 more ▸
26 Mink Creek entrance, Nassau River, Florida Florida 16.8°C
27 Nassau River entrance, Florida Florida 16.8°C
28 Nassauville, Nassau River East Florida 16.8°C
29 Roses Bluff, Bells River, Florida Florida 16.8°C
30 Sawpit Creek, 1 mi. above entrance, Florida Florida 16.8°C
31 Sawpit Creek entrance, bridge, Florida Florida 16.8°C
32 St. Marys Entrance, North Jetty, Georgia Florida 16.8°C
33 Tiger Point, Pumpkin Hill Creek, Nassau River, Florida Florida 16.8°C
34 Vaughns Landing Florida 16.8°C
35 Atlantic Beach Florida 16.7°C
36 Deadman Bay Florida 16.7°C
37 Horseshoe Beach Florida 16.7°C
38 Jacksonville Beach Florida 16.7°C
39 Mayport Florida 16.7°C
40 Neptune Beach Florida 16.7°C
41 Pepperfish Keys, Florida Florida 16.7°C
42 Spring Warrior Creek Florida 16.5°C
43 Amelia Island Florida 16.1°C
44 American Beach Florida 16.1°C
45 Fernandina Beach Florida 16.1°C
46 Franklintown Florida 16.1°C
47 Kings Ferry, St. Marys River, Florida Florida 16.1°C
48 Saint Marks Florida 16.0°C
49 St. Marks lighthouse, Apalachee Bay Florida 16.0°C
50 St. Marks, St. Marks River, Apalachee Bay, Florida Florida 16.0°C

Warmest 10 in Florida in December

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

# Location December mean
1 Boynton Beach Florida 26.6°C
2 Briny Breezes Florida 26.6°C
3 Hypoluxo Florida 26.6°C
4 Lake Worth Florida 26.6°C
5 Lantana Florida 26.6°C
6 Manalapan Florida 26.6°C
7 Mar-a-Lago Florida 26.6°C
8 Ocean Ridge Florida 26.6°C
9 South Palm Beach Florida 26.6°C
10 West Palm Beach Florida 26.6°C

Other US states

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