World Resorts Cayman Islands Little Cayman Weather

Little Cayman sea water temperature

Current sea water temperature:
+85.8°F
Minimum sea water temperature in June: 86.4°F
Maximum sea water temperature in June: 81.5°F
Average sea water temperature in June: 84.1°F

Sea water temperature for the last 10 days:

June 26 85.8°F June 21 84.9°F
June 25 85.1°F June 20 84.9°F
June 24 85.5°F June 19 85.1°F
June 23 85.1°F June 18 85.1°F
June 22 84.7°F June 17 85.1°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 79.8 °F
March 80.5 °F
Rainiest months:
October 7 days
May 5 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
+84°F
W 15 mph
Feels like: +93°F
Precip.: 12%
Places in Cayman Islands:
Name
°F
+84°F
+84°F
+84°F
+84°F
24 Hours Forecast
Little Cayman
Local time: 14:47
June 26, friday
1500
84°F
W
15 mph
1800
84°F
W
14 mph
2100
84°F
W
12 mph
June 27, saturday
0000
82°F
W
12 mph
0300
82°F
W
14 mph
0600
84°F
SW
17 mph
0900
84°F
SW
17 mph
1200
84°F
W
14 mph
Units of measurement: °C / °F