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Over the course of the year, the temperature typically varies from 74°F to 89°F and is rarely below 70°F or above 91°F . Based on the beach/pool score, the best time of year to visit Grand Cayman for hot-weather activities is from mid December to mid April.
The climate of the Cayman Islands is tropical, hot and humid all year round, with a dry, relatively cool season from late November to mid-April, when the northeast trade winds blow, and a rainy, muggy season from late April to early November.
Currently: 88 °F. Scattered clouds. (Weather station: Owen Roberts Airportgrand Cayman, Cayman Islands). See more current weather.
Grand Cayman, Cayman Islands Weather Averages. August is the hottest month in Grand Cayman with an average temperature of 30°C (85°F) and the coldest is January at 25°C (77°F) with the most daily sunshine hours at 11 in July. The wettest month is October with an average of 220mm of rain.
The record maximum temperature is 95.5°F (35.3°C) [July 21st 2023] and the record minimum temperature is 52.0°F (11.1°C). During the wet season (May-October in blue) average monthly rainfall totals show maximums in September and October.
Annual Average Weather for Grand Cayman, Cayman Islands. The annual average maximum daily temperature is 30.0°C (86.0°F) which is very hot and perfect for sunbathing on clear days. The annual average water temperature is typically 28.0°C (82.4°F) which is very warm and ideal for relaxing and swimming for the whole day.
3 sie 2023 · Grand Cayman Monthly Temperatures. Grand Cayman has an average high temperature that reaches into the low 90s Fahrenheit and low 30s Celsius during the summer. It is one of the few Caribbean destinations to get that hot.
