World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman Sea Temperature in April

Average sea water temperature in April:
+81.7°F
Minimum sea water temperature in April: 84.4°F
Maximum sea water temperature in April: 79.9°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 81.4°F. The highest and lowest sea temperatures during the month were 82.9°F and 80.1°F.

Monthly sea water temperature in Grand Cayman, °F

Which Cayman Islands resorts have warmest sea in April?

Place name April 2026 April 2025
George Town 81.5°F 82.0°F
Grand Cayman 81.4°F 82.0°F
Cayman Brac 81.2°F 81.6°F
Little Cayman 81.1°F 81.6°F

Best time for vacation in Grand Cayman

Sunniest months:
July 11 days
May 10 days
March 10 days
Warmest months:
August 87.1 °F
July 87.0 °F
September 86.9 °F
Warmest sea temp:
September 86.1 °F
August 85.9 °F
October 85.5 °F
Coldest months:
January 80.1 °F
February 80.3 °F
March 80.9 °F
Rainiest months:
October 8 days
May 5 days
November 5 days
Windiest months:
December 16.8 mph
November 16.1 mph
January 15.7 mph

Grand Cayman on a weather map

Current weather
12:37
Grand Cayman
+82°F
NW 16 mph
Feels like: +90°F
Precip.: 100%
Places in Cayman Islands:
Name
°F
Grand Cayman
+82°F
George Town
+82°F
Cayman Brac
+82°F
Little Cayman
+82°F
24 Hours Forecast
Grand Cayman
Local time: 12:37
May 02, saturday
1500
82°F
NW
15 mph
1800
82°F
NW
11 mph
2100
82°F
NW
12 mph
May 03, sunday
0000
82°F
NW
13 mph
0300
81°F
NW
11 mph
0600
81°F
NW
12 mph
0900
82°F
W
14 mph
1200
82°F
NW
11 mph
Units of measurement: °C / °F