Measurements:
°C
°F
George Town
84°F
W 7 mph
Feels like: 94°F
Precip: 0%
World Resorts Cayman Islands George Town Weather

George Town Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in December: 88.6°F
Minimum Sea Water Temperature in December: 84.0°F
Average water temperature in December: 86.0°F

Sea Water Temperature for the Last 10 Days:

December 14 87.2°F December 09 87.6°F
December 13 87.2°F December 08 87.4°F
December 12 87.2°F December 07 87.4°F
December 11 87.2°F December 06 87.4°F
December 10 87.4°F December 05 87.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for George Town was 91.0°F. The maximum and minimum values were 89.8°F and 91.6°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
May 10 days
March 10 days
The most warm months:
August 91.3 °F
July 91.2 °F
September 91.0 °F
Warmest sea temperature:
September 90.1 °F
August 89.9 °F
October 89.5 °F
The most cold months:
January 83.5 °F
February 83.8 °F
March 84.3 °F
The most rainy months:
October 8 days
May 5 days
November 5 days
The most windy months:
December 17 mph
November 16 mph
January 16 mph

George Town on the Weather Map

Cayman Islands Resorts:
NAME
Cayman Brac +84
George Town +84
Grand Cayman +84
Little Cayman +84
24 Hours Weather Forecast
George Town
Local time: 02:40
14 dec, sunday
0300 84°F
W
7 mph
0600 84°F
W
8 mph
0900 84°F
W
9 mph
1200 88°F
W
11 mph
1500 88°F
SW
11 mph
1800 86°F
SW
11 mph
2100 84°F
SW
11 mph
15 dec, monday
0000 82°F
SW
14 mph