World Resorts Cayman Islands Grand Cayman Weather

Grand Cayman 7 Days Forecast

03.01
sat
Day
81°F
S 11 mph
Precip.
0%
Night
77°F
SW 9 mph
Precip.
0%
04.01
sun
Day
79°F
S 11 mph
Precip.
0%
Night
79°F
S 11 mph
Precip.
0%
05.01
mon
Day
77°F
SW 14 mph
Precip.
0%
Night
79°F
SW 16 mph
Precip.
0%
06.01
tue
Day
77°F
SW 19 mph
Precip.
0%
Night
79°F
SW 14 mph
Precip.
0%
07.01
wed
Day
79°F
W 17 mph
Precip.
0%
Night
79°F
W 12 mph
Precip.
46%
08.01
thu
Day
79°F
W 17 mph
Precip.
0%
Night
79°F
W 17 mph
Precip.
57%
09.01
fri
Day
79°F
W 23 mph
Precip.
24%
Night
79°F
W 16 mph
Precip.
59%

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 16.8 mph
November 16.1 mph
January 15.7 mph

Grand Cayman on a weather map

Grand Cayman
+77°F
S 8 mph
Feels like: +79°F
Precip.: 0%
Places in Cayman Islands:
Name
°F
+77°F
+77°F
+77°F
+77°F
24 Hours Forecast
Grand Cayman
Local time: 07:19
January 03, saturday
0900
77°F
S
11 mph
1200
81°F
S
11 mph
1500
79°F
S
11 mph
1800
77°F
S
12 mph
2100
79°F
SW
11 mph
January 04, sunday
0000
77°F
SW
9 mph
0300
77°F
SW
9 mph
0600
79°F
SW
11 mph
Units of measurement: °C / °F