Measurements:
°C
°F
CURRENT WEATHER
04:14
Grand Cayman
84°F
W 13 mph
Feels like: 88°F
Precip: 0%
World Resorts Cayman Islands Grand Cayman Weather

14 Day Weather Forecast

12.18
thu
DAY
86°F
W 14 mph
precip
0%
NIGHT
84°F
W 10 mph
precip
0%
12.19
fri
DAY
82°F
W 12 mph
precip
0%
NIGHT
80°F
SW 11 mph
precip
0%
12.20
sat
DAY
82°F
SW 17 mph
precip
0%
NIGHT
84°F
SW 16 mph
precip
79%
12.21
sun
DAY
84°F
SW 19 mph
precip
100%
NIGHT
84°F
SW 19 mph
precip
0%
12.22
mon
DAY
84°F
SW 20 mph
precip
100%
NIGHT
84°F
W 19 mph
precip
80%
12.23
tue
DAY
84°F
SW 21 mph
precip
100%
NIGHT
84°F
SW 23 mph
precip
42%
12.24
wed
DAY
84°F
SW 24 mph
precip
0%
NIGHT
82°F
W 25 mph
precip
100%
12.25
thu
DAY
82°F
SW 22 mph
precip
67%
NIGHT
84°F
SW 20 mph
precip
0%
12.26
fri
DAY
84°F
SW 22 mph
precip
54%
NIGHT
82°F
SW 25 mph
precip
100%
12.27
sat
DAY
82°F
W 25 mph
precip
100%
NIGHT
82°F
W 19 mph
precip
76%
12.28
sun
DAY
82°F
SW 19 mph
precip
0%
NIGHT
84°F
W 18 mph
precip
68%
12.29
mon
DAY
82°F
W 20 mph
precip
100%
NIGHT
84°F
W 18 mph
precip
0%
12.30
tue
DAY
84°F
W 21 mph
precip
61%
NIGHT
84°F
W 16 mph
precip
0%
12.31
wed
DAY
84°F
W 14 mph
precip
49%
NIGHT
84°F
W 13 mph
precip
100%

Grand Cayman Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Grand Cayman was 87.2°F. The maximum and minimum values were 86.6°F and 87.4°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
more details
Cayman Islands Resorts:
NAME
F°
Cayman Brac +84
George Town +84
Grand Cayman +84
Little Cayman +84
24 Hours Weather Forecast
Grand Cayman
Local time: 04:14
18 dec, thursday
0600 84°F
W
14 mph
0900 84°F
W
14 mph
1200 86°F
W
14 mph
1500 84°F
W
12 mph
1800 84°F
W
11 mph
2100 84°F
W
12 mph
19 dec, friday
0000 84°F
W
10 mph
0300 84°F
W
9 mph