Current sea water temperature:
+82.2°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: | 82.3°F |
| more information | |
14 days
forecast
forecast
| Cayman Brac |
monthly
weather
weather
| Cayman Brac |
Sea water temperature for the last 10 days:
| December 27 | 82.2°F | December 22 | 82.9°F |
| December 26 | 82.6°F | December 21 | 82.9°F |
| December 25 | 82.8°F | December 20 | 83.3°F |
| December 24 | 83.1°F | December 19 | 83.1°F |
| December 23 | 83.1°F | December 18 | 82.9°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
January
January
| 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: 17:10
December 27, saturday
1800

79°F
SW
16 mph
16 mph
2100

81°F
SW
14 mph
14 mph
December 28, sunday
0000

79°F
W
17 mph
17 mph
0300

77°F
W
17 mph
17 mph
0600

77°F
W
19 mph
19 mph
0900

77°F
W
20 mph
20 mph
1200

77°F
W
19 mph
19 mph
1500

79°F
W
17 mph
17 mph


























