Measurements:
°C
°F
George Town
88°F
W 14 mph
Feels like: 96°F
Precip: 16%
World Resorts Cayman Islands George Town Weather

George Town Sea Water Temperature

Current Sea Water Temperature:
+90.2°F
Maximum Sea Water Temperature in August: 92.2°F
Minimum Sea Water Temperature in August: 87.4°F
Average water temperature in August: 89.9°F

Sea Water Temperature for the Last 10 Days:

August 19 90.2°F August 14 90.4°F
August 18 90.4°F August 13 91.0°F
August 17 90.8°F August 12 90.8°F
August 16 90.8°F August 11 90.8°F
August 15 90.2°F August 10 90.6°F

When is the Warmest Sea for George Town?

According to our data for the last three years for George Town 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 George Town was 91.6°F. The maximum and minimum values were 91.0°F and 92.0°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for George Town was 90.6°F. The maximum and minimum values were 90.0°F and 91.0°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for George Town was 90.7°F. The maximum and minimum values were 89.2°F and 92.6°F respectively.

Best Time to Visit George Town
The most sunny months:
July 11 days
March 10 days
September 10 days
The most warm months:
August 91.3 °F
September 91.0 °F
July 90.9 °F
Warmest sea temperature:
September 90.1 °F
August 89.9 °F
October 89.5 °F
The most cold months:
January 83.4 °F
February 83.6 °F
March 84.3 °F
The most rainy months:
October 8 days
May 5 days
November 5 days
The most windy months:
December 16 mph
November 16 mph
January 16 mph

George Town on the Weather Map

Cayman Islands Resorts:
NAME
Cayman Brac +88
George Town +88
Grand Cayman +88
Little Cayman +88
24 Hours Weather Forecast
George Town
Local time: 09:09
19 aug, wednesday
1200 88°F
W
11 mph
1500 88°F
W
11 mph
1800 88°F
SW
12 mph
2100 88°F
W
8 mph
20 aug, thursday
0000 86°F
SW
8 mph
0300 86°F
SW
11 mph
0600 88°F
W
11 mph
0900 88°F
W
11 mph