George Town Sea Temperature

Looking to find out what the sea water temperature in George Town is for today and the next few days? Below are data and charts that will give you information about sea temperatures in George Town and nearby locations.

Water temperature in George Town right now

Below is the current sea temperature for George Town, Cayman Islands on 22nd May 2025.

29.6° C

(85.28° F)

yesterday: 29.18° C (84.52° F)
a week ago: 28.83° C (83.89° F)

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

The average sea temperature for George Town on May 22nd over the last 10 years is 28.57° C (83.42° F), with a low temperature of 27.66° C (81.79° F) and a high of 29.62° C (85.32° F).

Analysis and forecast for George Town water temperatures

The water temperature in George Town today is higher than the average temperature of 28.57° C (83.42° F) and the temperature on this day last year, 22nd May 2024, was 29.62° C (85.32° F).

The chart and table below shows the change in water temperature in George Town over the last 30 days:

Date	Temperature (Celsius)	Temperature (Fahrenheit)
May 22	29.6° C	85.28° F
May 21	29.18° C	84.52° F
May 21	29.18° C	84.52° F
May 20	29.07° C	84.33° F
May 19	29.15° C	84.47° F
May 18	29.17° C	84.51° F
May 17	29.11° C	84.4° F
May 16	29.02° C	84.24° F
May 15	28.83° C	83.89° F
May 14	28.48° C	83.26° F
May 13	28.4° C	83.12° F
May 12	28.15° C	82.67° F
May 11	28.04° C	82.47° F
May 10	27.97° C	82.35° F
May 9	28.07° C	82.53° F
May 8	28.1° C	82.58° F
May 7	27.99° C	82.38° F
May 6	27.9° C	82.22° F
May 5	27.87° C	82.17° F
May 4	27.67° C	81.81° F
May 3	27.56° C	81.61° F
May 2	27.5° C	81.5° F
May 1	27.47° C	81.45° F
April 30	27.5° C	81.5° F
April 29	27.53° C	81.55° F
April 28	27.53° C	81.55° F
April 27	27.51° C	81.52° F
April 26	27.46° C	81.43° F
April 25	27.42° C	81.36° F
April 24	27.31° C	81.16° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in George Town by month

The chart below shows the monthly average water temperature in George Town.

For more detailed information on how the sea temperature in George Town changes for each month of the year, choose from the months below.

January February March April May June July August September October November December

George Town map and nearby water temperatures