← Cayman Islands
Sea temperature in Cayman Islands in December
27°Ctropical · monthly average
The sea around Cayman Islands averages 27°C in December. Warm enough for relaxed swimming with no wetsuit needed.
Monthly sea temperatures across the year
Best swim months
Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Warmest month
June (29°C)
Coolest month
January (26°C)
Best beaches in Cayman Islands
Grand Cayman
Seven Mile Beach Cayman
Crescent of coral sand on Grand Cayman.
Grand Cayman
Rum Point
Calm shallow north-shore beach.
George Town
Seven Mile Beach Cayman
World-famous calm reef-protected swim beach.
North Side
Rum Point
Shallow turquoise lagoon on Grand Cayman's north shore.
George Town
Smith Cove
Sheltered local swim cove south of George Town.
Grand Cayman
Seven Mile Beach Cayman
Grand Cayman's world-famous main beach.
Grand Cayman
Rum Point Beach
Calm north-side family beach.
Grand Cayman
Smith Cove
Snorkel cove south of George Town.
Grand Cayman
Starfish Point
Shallow starfish-viewing beach.