World Resorts Cayman Islands Little Cayman Weather

Little Cayman sea water temperature

Current sea water temperature:
+80.2°F
Minimum sea water temperature in February: 81.7°F
Maximum sea water temperature in February: 78.8°F
Average sea water temperature in February: 80.5°F

Sea water temperature for the last 10 days:

February 24 80.2°F February 19 80.1°F
February 23 80.2°F February 18 79.7°F
February 22 80.2°F February 17 79.5°F
February 21 80.2°F February 16 79.5°F
February 20 79.9°F February 15 79.7°F

When is the warmest sea in Little Cayman?

Based on the data about daily sea water temperature for the last three years the warmest sea in Little Cayman was noticed in September, August and October.

Monthly Sea Temperatures in Little Cayman, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 87.5°F. The highest and lowest sea temperatures during the month were 88.0°F and 87.1°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.2°F. The highest and lowest sea temperatures during the month were 88.0°F and 86.2°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.6°F.

Best time for vacation in Little Cayman

Sunniest months:
March 12 days
July 12 days
February 11 days
Warmest months:
August 87.0 °F
July 86.8 °F
September 86.7 °F
Warmest sea temp:
September 86.3 °F
August 86.2 °F
October 85.7 °F
Coldest months:
January 79.7 °F
February 80.1 °F
March 80.6 °F
Rainiest months:
October 7 days
May 6 days
August 5 days
Windiest months:
December 16.6 mph
November 16.1 mph
January 15.5 mph

Little Cayman on a weather map

Little Cayman
+68°F
SW 24 mph
Feels like: +68°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
+70°F
+70°F
+68°F
+68°F
24 Hours Forecast
Little Cayman
Local time: 10:53
February 24, tuesday
1200
68°F
SW
24 mph
1500
70°F
SW
23 mph
1800
72°F
SW
22 mph
2100
72°F
SW
23 mph
February 25, wednesday
0000
70°F
SW
25 mph
0300
70°F
SW
22 mph
0600
70°F
SW
20 mph
0900
72°F
SW
20 mph
Units of measurement: °C / °F