World Resorts USA Key Largo Weather

Key Largo Sea Temperature in January

Average sea water temperature in January:
+72.7°F
Minimum sea water temperature in January: 77.7°F
Maximum sea water temperature in January: 65.3°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 71.7°F. The highest and lowest sea temperatures during the month were 75.4°F and 66.9°F.

Monthly sea water temperature in Key Largo, °F

Which USA resorts have warmest sea in January?

Place name January 2026 January 2025
Hilo 77.3°F 77.2°F
Honolulu 77.2°F 77.6°F
Hawaii 77.2°F 77.5°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
Sarasota 65.0°F 61.2°F

Best time for vacation in Key Largo

Sunniest months:
December 12 days
February 12 days
March 12 days
Warmest months:
August 85.2 °F
July 85.1 °F
September 84.5 °F
Warmest sea temp:
August 87.6 °F
July 87.1 °F
September 86.6 °F
Coldest months:
January 70.6 °F
February 72.7 °F
December 73.0 °F
Rainiest months:
June 3 days
September 3 days
July 3 days
Windiest months:
March 13.9 mph
November 13.9 mph
April 13.7 mph

Key Largo on a weather map

Key Largo
+84°F
N 5 mph
Feels like: +90°F
Precip.: 0%
Places in USA:
Name
°F
+63°F
+75°F
+75°F
+90°F
+63°F
+82°F
+81°F
+70°F
+59°F
+66°F
+57°F
+79°F
+82°F
+81°F
+61°F
24 Hours Forecast
Key Largo
Local time: 15:13
May 03, sunday
1800
82°F
E
1 mph
2100
79°F
SW
11 mph
May 04, monday
0000
77°F
W
10 mph
0300
77°F
N
4 mph
0600
79°F
NE
2 mph
0900
79°F
SE
4 mph
1200
79°F
SW
7 mph
1500
79°F
SW
10 mph
Units of measurement: °C / °F