Measurements:
°C
°F
Grand Cayman
84°F
SW 18 mph
Feels like: 90°F
Precip: 0%
World Resorts Cayman Islands Grand Cayman Weather

7 Day Weather Forecast

12.25
wed
DAY
84°F
W 17 mph
precip
0%
NIGHT
84°F
W 13 mph
precip
0%
12.26
thu
DAY
84°F
W 13 mph
precip
100%
NIGHT
84°F
NW 11 mph
precip
0%
12.27
fri
DAY
84°F
W 14 mph
precip
0%
NIGHT
82°F
W 10 mph
precip
0%
12.28
sat
DAY
84°F
W 13 mph
precip
0%
NIGHT
82°F
W 10 mph
precip
100%
12.29
sun
DAY
82°F
W 9 mph
precip
100%
NIGHT
82°F
SW 8 mph
precip
100%
12.30
mon
DAY
82°F
W 6 mph
precip
0%
NIGHT
82°F
SW 11 mph
precip
77%
12.31
tue
DAY
82°F
W 14 mph
precip
23%
NIGHT
82°F
W 14 mph
precip
23%

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 27.8°F and 28.6°F respectively.

Grand Cayman on the Weather Map

Best Time to Visit Grand Cayman
The most sunny months:
July 11 days
September 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 90.0 °F
August 89.8 °F
October 89.4 °F
The most cold months:
January 83.5 °F
February 83.8 °F
March 84.2 °F
The most rainy months:
October 8 days
August 5 days
June 5 days
The most windy months:
December 16 mph
November 16 mph
January 16 mph