Weather in Grand Cayman in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 85.3°F | 87.0°F | 87.1°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 82.3°F | 83.4°F | 83.7°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 83.8°F | 85.0°F | 85.9°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 8 days | 11 days | 8 days | |||
| Day length: | ||||||
| Day length: | 13.2 - 13.3 h. | 13.0 - 13.3 h. | 12.5 - 13.0 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 4 days | 4 days | 5 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 2.8 in. | 2.2 in. | 3.3 in. | |||
current
weather
weather
| Grand Cayman |
monthly
weather
weather
| Grand Cayman |
sea water
temperature
temperature
| Grand Cayman |
14 days
forecast
forecast
| Grand Cayman |
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
weather in
winter
winter
| Grand Cayman |
weather in
spring
spring
| Grand Cayman |
weather in
summer
summer
| Grand Cayman |
weather in
autumn
autumn
| Grand Cayman |
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Grand Cayman
Grand Cayman on a weather map
Places in Cayman Islands:
Name
°F
24 Hours Forecast
Grand Cayman
Local time: 14:51
December 31, wednesday
1500

77°F
S
19 mph
19 mph
1800

77°F
S
20 mph
20 mph
2100

77°F
S
17 mph
17 mph
January 01, thursday
0000

75°F
S
15 mph
15 mph
0300

77°F
S
17 mph
17 mph
0600

75°F
S
23 mph
23 mph
0900

75°F
S
19 mph
19 mph
1200

75°F
S
17 mph
17 mph

























