World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 14 Days Forecast

20.12
sat
Day
82°F
SW 15 mph
Precip.
0%
Night
81°F
SW 17 mph
Precip.
0%
21.12
sun
Day
81°F
SW 19 mph
Precip.
0%
Night
81°F
SW 20 mph
Precip.
0%
22.12
mon
Day
82°F
SW 23 mph
Precip.
0%
Night
81°F
SW 21 mph
Precip.
85%
23.12
tue
Day
81°F
W 21 mph
Precip.
100%
Night
81°F
SW 22 mph
Precip.
75%
24.12
wed
Day
81°F
SW 23 mph
Precip.
64%
Night
79°F
SW 25 mph
Precip.
100%
25.12
thu
Day
81°F
SW 27 mph
Precip.
100%
Night
79°F
SW 27 mph
Precip.
100%
26.12
fri
Day
79°F
W 25 mph
Precip.
68%
Night
81°F
SW 24 mph
Precip.
100%
27.12
sat
Day
79°F
SW 24 mph
Precip.
100%
Night
79°F
SW 22 mph
Precip.
100%
28.12
sun
Day
79°F
SW 20 mph
Precip.
79%
Night
79°F
SW 17 mph
Precip.
69%
29.12
mon
Day
79°F
W 17 mph
Precip.
46%
Night
79°F
NW 9 mph
Precip.
100%
30.12
tue
Day
79°F
NE 4 mph
Precip.
43%
Night
79°F
S 9 mph
Precip.
58%
31.12
wed
Day
79°F
S 12 mph
Precip.
100%
Night
79°F
S 17 mph
Precip.
22%
01.01
thu
Day
75°F
SW 25 mph
Precip.
100%
Night
77°F
SW 23 mph
Precip.
100%
02.01
fri
Day
77°F
SW 21 mph
Precip.
100%
Night
77°F
W 19 mph
Precip.
49%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 83.7°F and 82.9°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 81.5°F. The highest and lowest sea temperatures during the month were 82.8°F and 80.8°F.

Air temperature in Grand Cayman, °F

Precipitation total in Grand Cayman, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Grand Cayman

Sunniest months:
March 11 days
July 11 days
May 10 days
Warmest months:
August 87.1 °F
July 87.0 °F
September 86.9 °F
Warmest sea temp:
September 86.1 °F
August 85.9 °F
October 85.5 °F
Coldest months:
January 80.1 °F
February 80.5 °F
March 80.9 °F
Rainiest months:
October 8 days
May 5 days
November 5 days
Windiest months:
December 16.9 mph
November 16.1 mph
January 15.7 mph

Grand Cayman on a weather map

Current weather
19:14
Grand Cayman
+81°F
SW 17 mph
Feels like: +86°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
Grand Cayman
+81°F
George Town
+81°F
Cayman Brac
+79°F
Little Cayman
+79°F
24 Hours Forecast
Grand Cayman
Local time: 19:14
December 20, saturday
2100
79°F
SW
17 mph
December 21, sunday
0000
81°F
SW
17 mph
0300
81°F
SW
16 mph
0600
81°F
SW
18 mph
0900
81°F
W
19 mph
1200
81°F
SW
19 mph
1500
81°F
SW
18 mph
1800
81°F
SW
17 mph
Units of measurement: °C / °F