Current sea water temperature:
+83.3°F
| Minimum sea water temperature in December: | 84.2°F |
| Maximum sea water temperature in December: | 80.8°F |
| Average sea water temperature in December: | 82.2°F |
| more information | |
14 days
forecast
forecast
| Cayman Brac |
monthly
weather
weather
| Cayman Brac |
Sea water temperature for the last 10 days:
| December 20 | 83.3°F | December 15 | 83.3°F |
| December 19 | 83.1°F | December 14 | 83.3°F |
| December 18 | 82.9°F | December 13 | 83.5°F |
| December 17 | 83.3°F | December 12 | 83.5°F |
| December 16 | 83.3°F | December 11 | 83.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Cayman Brac?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cayman Brac was noticed in September, August and October.
Monthly Sea Temperatures in Cayman Brac, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 87.6°F. The highest and lowest sea temperatures during the month were 88.2°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 88.2°F and 86.4°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.6°F.
current
weather
weather
| Cayman Brac |
weather in
December
December
| Cayman Brac |
Best time for vacation in Cayman Brac
Cayman Brac on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Cayman Brac
Local time: 23:05
December 21, sunday
0000
81°F
SW
16 mph
16 mph
0300
81°F
W
19 mph
19 mph
0600
79°F
SW
19 mph
19 mph
0900
79°F
SW
19 mph
19 mph
1200
82°F
SW
19 mph
19 mph
1500
81°F
SW
19 mph
19 mph
1800
79°F
SW
16 mph
16 mph
2100
81°F
SW
17 mph
17 mph
