Measurements:
°C
°F
Grand Cayman
86°F
SW 16 mph
Feels like: 94°F
Precip: 0%
World Resorts Cayman Islands Grand Cayman Weather

7 Day Weather Forecast

12.05
fri
DAY
86°F
W 16 mph
precip
0%
NIGHT
86°F
W 10 mph
precip
0%
12.06
sat
DAY
90°F
NW 14 mph
precip
0%
NIGHT
84°F
W 9 mph
precip
0%
12.07
sun
DAY
84°F
W 12 mph
precip
0%
NIGHT
84°F
NW 11 mph
precip
100%
12.08
mon
DAY
84°F
W 9 mph
precip
0%
NIGHT
84°F
W 12 mph
precip
0%
12.09
tue
DAY
84°F
W 9 mph
precip
23%
NIGHT
84°F
W 11 mph
precip
53%
12.10
wed
DAY
84°F
NW 12 mph
precip
100%
NIGHT
84°F
NW 12 mph
precip
0%
12.11
thu
DAY
84°F
W 12 mph
precip
0%
NIGHT
84°F
W 14 mph
precip
55%

Grand Cayman Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Grand Cayman was 28.2°F. The maximum and minimum values were 27.7°F and 28.6°F respectively.

Grand Cayman on the Weather Map

Best Time to Visit Grand Cayman
The most sunny months:
March 11 days
July 11 days
May 10 days
The most warm months:
August 91.3 °F
July 91.1 °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