World Resorts USA Jacksonville Weather

Jacksonville Sea Temperature in January

Average sea water temperature in January:
+60.1°F
Minimum sea water temperature in January: 68.7°F
Maximum sea water temperature in January: 49.8°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 58.8°F. The highest and lowest sea temperatures during the month were 62.8°F and 54.7°F.

Monthly sea water temperature in Jacksonville, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Kailua Kona 78.3°F 78.2°F
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°F
Kahului 77.2°F 77.1°F
Maui 77.0°F 76.9°F
Kauai 77.0°F 75.0°F
West Palm Beach 76.6°F 75.5°F
Oahu 76.1°F 76.5°F
Fort Lauderdale 75.9°F 75.1°F
Miami Beach 74.0°F 73.1°F
Key West 72.5°F 70.3°F
Hialeah 72.4°F 71.8°F
Key Largo 71.7°F 71.1°F
Miami 71.2°F 70.7°F
Everglades 70.8°F 68.6°F
Marco Island 68.2°F 65.2°F
Naples 67.7°F 64.7°F
Cape Coral 67.3°F 64.3°F
Cocoa Beach 66.9°F 60.9°F
Siesta Key 65.0°F 61.5°F

Best time for vacation in Jacksonville

Sunniest months:
May 16 days
April 16 days
March 15 days
Warmest months:
July 91.5 °F
August 90.8 °F
June 89.2 °F
Warmest sea temp:
August 82.9 °F
September 82.4 °F
July 82.3 °F
Coldest months:
January 62.0 °F
December 66.8 °F
February 67.2 °F
Rainiest months:
August 9 days
June 8 days
July 8 days
Windiest months:
April 8.1 mph
March 7.8 mph
October 7.7 mph

Jacksonville on a weather map

Jacksonville
+82°F
SW 2 mph
Feels like: +86°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+77°F
+77°F
+72°F
+66°F
+77°F
+81°F
+73°F
+52°F
+63°F
+61°F
+79°F
+82°F
+81°F
+50°F
24 Hours Forecast
Jacksonville
Local time: 17:20
April 26, sunday
1800
82°F
SW
2 mph
2100
73°F
W
6 mph
April 27, monday
0000
72°F
SW
7 mph
0300
68°F
SW
9 mph
0600
68°F
SW
11 mph
0900
70°F
SW
13 mph
1200
72°F
SW
12 mph
1500
72°F
SW
11 mph
Units of measurement: °C / °F