World Resorts Cayman Islands Cayman Brac Weather

Cayman Brac sea water temperature

Current sea water temperature:
+81.3°F
Minimum sea water temperature in February: 81.7°F
Maximum sea water temperature in February: 79.0°F
Average sea water temperature in February: 80.5°F

Sea water temperature for the last 10 days:

February 2 81.3°F January 28 81.9°F
February 1 81.3°F January 27 81.9°F
January 31 81.5°F January 26 81.5°F
January 30 81.5°F January 25 81.5°F
January 29 81.5°F January 24 81.3°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.

Best time for vacation in Cayman Brac

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 86.4 °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

Cayman Brac on a weather map

Cayman Brac
+66°F
SW 26 mph
Feels like: +66°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
+70°F
+70°F
+66°F
+66°F
24 Hours Forecast
Cayman Brac
Local time: 00:13
February 03, tuesday
0300
66°F
SW
25 mph
0600
68°F
SW
23 mph
0900
68°F
SW
24 mph
1200
70°F
SW
23 mph
1500
72°F
SW
22 mph
1800
73°F
SW
19 mph
2100
75°F
SW
18 mph
February 04, wednesday
0000
75°F
W
22 mph
Units of measurement: °C / °F