Weather in Grand Cayman: August
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Average day temperature: | 87.1°F |
Average night temperature: | 83.7°F | |
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Sea water temperature: | 85.8°F |
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Number of sunny days: | 8 days |
Day length: | 12.5 - 13.0 hours | |
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Number of rainy days: | 5 days |
Precipitation totals: | 3.6 in. | |
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Grand Cayman |
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Grand Cayman |
Air temperature in August, °F
Day temperature | Night temperature |
The highest day temperature during August of 2024 was 86°F. At the same time the lowest night temperature was 84°F. Daily and nightly averages during August were 85.2°F and 84.6°F.
Sea water temperature in Grand Cayman in August, °F
The average sea water temperature in August of 2024 was 86.9°F. The highest and lowest sea temperatures during the month were 87.6°F and 86.2°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Grand Cayman in August is 3.9 in. Other months of the year show relatively similar values.
The average wind speed value in August is 11.9 mph It makes August one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 6.4.
Best time for vacation in Grand Cayman
Grand Cayman on a weather map

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