Current sea water temperature:
+83.5°F
| Minimum sea water temperature in December: | 84.4°F |
| Maximum sea water temperature in December: | 80.6°F |
| Average sea water temperature in December: | 82.3°F |
| more information | |
14 days
forecast
forecast
| Little Cayman |
monthly
weather
weather
| Little Cayman |
Sea water temperature for the last 10 days:
| December 17 | 83.5°F | December 12 | 83.5°F |
| December 16 | 83.5°F | December 11 | 83.5°F |
| December 15 | 83.5°F | December 10 | 83.7°F |
| December 14 | 83.5°F | December 9 | 83.8°F |
| December 13 | 83.5°F | December 8 | 83.8°F |
Monthly sea water temperature, °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.
current
weather
weather
| Little Cayman |
weather in
December
December
| Little Cayman |
Best time for vacation in Little Cayman
Little Cayman on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Little Cayman
Local time: 14:01
December 17, wednesday
1500
82°F
W
17 mph
17 mph
1800
81°F
W
15 mph
15 mph
2100
82°F
W
14 mph
14 mph
December 18, thursday
0000
81°F
W
12 mph
12 mph
0300
81°F
W
12 mph
12 mph
0600
81°F
W
14 mph
14 mph
0900
81°F
W
14 mph
14 mph
1200
82°F
W
14 mph
14 mph
