Measurements:
°C
°F
Cayman Brac
80°F
W 9 mph
Feels like: 86°F
Precip: 0%
World Resorts Cayman Islands Cayman Brac Weather

Cayman Brac Sea Water Temperature

Current Sea Water Temperature:
+82.8°F
Maximum Sea Water Temperature in February: 85.2°F
Minimum Sea Water Temperature in February: 82.2°F
Average water temperature in February: 83.9°F

Sea Water Temperature for the Last 10 Days:

February 17 82.8°F February 12 82.8°F
February 16 82.8°F February 11 83.2°F
February 15 83.0°F February 10 83.0°F
February 14 83.0°F February 09 83.4°F
February 13 82.8°F February 08 83.4°F

When is the Warmest Sea for Cayman Brac?

According to our data for the last three years for Cayman Brac the highest average sea water temperature was in September, August and October.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cayman Brac was 91.8°F. The maximum and minimum values were 91.2°F and 92.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Cayman Brac was 91.4°F. The maximum and minimum values were 90.4°F and 92.4°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Cayman Brac was 90.9°F. The maximum and minimum values were 89.6°F and 92.0°F respectively.

Best Time to Visit Cayman Brac
The most sunny months:
March 12 days
July 12 days
February 11 days
The most warm months:
August 91.1 °F
July 90.9 °F
September 90.8 °F
Warmest sea temperature:
September 90.4 °F
August 90.2 °F
October 89.6 °F
The most cold months:
January 83.0 °F
February 83.4 °F
March 84.0 °F
The most rainy months:
October 7 days
May 6 days
August 5 days
The most windy months:
December 16 mph
November 16 mph
January 15 mph

Cayman Brac on the Weather Map

Cayman Islands Resorts:
NAME
Cayman Brac +80
George Town +86
Grand Cayman +86
Little Cayman +80
24 Hours Weather Forecast
Cayman Brac
Local time: 11:17
17 feb, tuesday
1200 80°F
W
9 mph
1500 80°F
W
11 mph
1800 80°F
W
9 mph
2100 78°F
W
8 mph
18 feb, wednesday
0000 80°F
SW
14 mph
0300 80°F
W
16 mph
0600 80°F
W
17 mph
0900 80°F
W
19 mph